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  1. Nomenclature (using IUPAC)
  2. Shells
  3. school project
  4. Nagging problems
  5. computer programs?
  6. Transistors vs breast implants
  7. Redox reaction
  8. Experiments
  9. phenol + FeCl3
  10. Ionic number
  11. Nuclear reactions
  12. Melting point of 40% Sn and 60% Pb
  13. What volume required?
  14. Neutralization Reaction
  15. Egg
  16. Water
  17. Salt Peter?
  18. oxidization
  19. Enthalpy
  20. engineering spec. molecule
  21. water
  22. Aluminum Crystal Structure
  23. Chemistry Question
  24. finding possible isomers
  25. Chemo Reacting Volumes Of Gasses q's
  26. Complex chemical equations
  27. Orbital Nodes
  28. Ionization Energy and Stable Ions
  29. Why the pH value does not change?
  30. Durian + beer
  31. preparation of butanone by oxidation
  32. Please help!
  33. chem question
  34. Polarity
  35. [SOLVED] self diffusion of water
  36. Electron shells
  37. lab technique
  38. chromatography
  39. Uuq and Uuh the Same ??
  40. Chemistry Lab help
  41. Solutes vs. Solvents
  42. Please help : Homework problem.. almost there ? Equilibrium
  43. Enthalpy
  44. Alcohol amylase
  45. Custom Periodic Table
  46. Enthalpy and Entropy
  47. Electrophilic addition
  48. Extensive Organic Chemistry Database
  49. Spectroscopy
  50. Lewis and polyatomic ions
  51. [SOLVED] A chem problem...help please
  52. Denaturising Proteins?
  53. Explaining Acids and Bases to a Six-Year-Old
  54. Chemical LaTeX typeset
  55. atoms in a gas
  56. Square Planar Complex Ion Arrangements
  57. raney nickel
  58. Electron spin and chemical bonding
  59. chemical equation.
  60. Standerising NaOH
  61. pressure problem
  62. Involving Rate determining steps
  63. Photochemistry – books
  64. Grignard Reactions and Mg
  65. Reaction Mechanism
  66. Arithmetic help in chemistry...
  67. Stimulation Mg-O2?
  68. General Knowledge question
  69. Acid Problems
  70. Chemical equilibrium problem
  71. Oxidation States Help. URGENT!
  72. Do O2 gas and diphosphate combust at approx 40 degrees C?
  73. Chemistry!!!
  74. reaction mechanism
  75. Atomic Radii vs. Ionic Radii
  76. Stereochemistry of Bromine Addition to trans-Cinnamic Acid
  77. Help I Suck At Chem
  78. Chemistry!!! Diee!!!!!!
  79. bond energy
  80. Math Rules Chem:)
  81. dating methods: calculating atomic ratio?
  82. Look for pH
  83. balance the equation
  84. electrolyte and salivary amylase
  85. Stupid Hard Stuff
  86. May Sound Stupid But...
  87. Density with Chemistry?
  88. Using Spartan to calculate bond engery
  89. Need help badly on Gasses
  90. Molecular Formulas
  91. Need some more help
  92. Bond Order
  93. Potential Problem
  94. So I'm about to tear my hair out...
  95. Simple geometry of molecules
  96. The Nobel Prize in Chemistry 2003
  97. Could Deforistation lead to lack of ability to light fires?
  98. freezing koolaid
  99. Buffer problem
  100. Using Salt Peter as gasoline improver.
  101. Buckyballs!(and Buckybabies)
  102. Ionization Energies Calculation
  103. classifying reaction type
  104. Simple chemistry help needed
  105. Questions about molecular forces and shapes
  106. more chemistry questions
  107. Soluble metal ion to make heavy water?
  108. solubilities and pKa
  109. extraction of cafiene from tea leaves
  110. Cesium and Thallium
  111. H-NMR splitting
  112. What is this organic ring called?
  113. Dangerous lab experiment?
  114. why is ethanol the only drinkable alcohol?
  115. Electrons
  116. Tabacco, 100% cut, 90% 25%, etc.
  117. Burette help
  118. I need help in my chemistry homework
  119. some help with the Nernst equation?
  120. Strange Chemical Formula
  121. Labelling products
  122. Rechargable batteries
  123. Deep frying
  124. Lead into gold
  125. isoamyl acetate, a bee army?
  126. enantiomers and LCD
  127. ethanol and dehydration
  128. chemical applications of group theory
  129. Oxidation
  130. Electron Sub-Shells
  131. NADH, why strong electron donor?
  132. Stoichiometry?
  133. not sure what this means
  134. Tpap; Nmo
  135. Cornstarch and vegatable oil
  136. chemistry and A.I
  137. barium hydroxide
  138. Oxidation to Aldehyde
  139. A question about Infra-red Spectrum
  140. Another question on thermodynamics
  141. polarity absorptivity +_+
  142. Ammonium and Clorox
  143. Freebases and HCL salts
  144. hi-res n.m.r.
  145. Redox equations
  146. Se oxidation state!
  147. a question on enantiomeric excess
  148. molarity of solution
  149. a question on soxhlet extraction
  150. ???hm..
  151. i tried
  152. Speed and rate of combustion (in car)
  153. Carbonic acid formation mechanism
  154. um um um....
  155. Making chlorine gas with HCl & KMnO4
  156. the problems with 100% pure ethanol
  157. Hagfish slime as an option to plastics and other materials?
  158. The History of Chemistry - Paper Topic
  159. Precatalyst
  160. S.o.s.
  161. H2SO4 preparation
  162. iron
  163. Balancing Chemical Equations
  164. Wavelength of electromagnetic radiation
  165. Utlilizing Dalton's Law of Partial Pressures
  166. Activating atoms
  167. Permanganate to MnO2?
  168. Oxidation + Reduction Half-Reactions
  169. The Mind
  170. Subject for presentation, help.
  171. recycling
  172. dissociation
  173. Compound names to formulas
  174. Vapor Pressures of Solutions
  175. Electron Dot Diagram and Structural Formulas
  176. The Atomic Mass!!
  177. newbie needs help
  178. Chemistry tutorial
  179. Element properties??
  180. Wavelengths and dissociation??
  181. root mean squared
  182. reaction problem
  183. Unknown metal determination
  184. Mol Ratio
  185. Molecular dipole moment???
  186. not sure to easy answer
  187. Enthalpy of neutralisation
  188. Thread theory
  189. Laws of effusion
  190. Chem project, just need some starting advice
  191. Hydrocarbon Structural Diagrams
  192. molar conc.
  193. Avogadros Number
  194. Lithium
  195. Seeding the atmosphere with aluminum oxide: A good idea?
  196. chemical equations
  197. Naming Nonorganic Compounds
  198. Hess's Law
  199. Solubility of Gases
  200. Role of Metals in Living Systems
  201. DIfferent Amounts of Oxygen in Combustion?
  202. Organic Reaction Problem
  203. Molarity
  204. molarity questions
  205. Adding a weak acid to a strong acid
  206. NaCl and amylase
  207. Question about chemical formula
  208. Need help with electrolysis
  209. Links for the chemically inclined
  210. I need a strong oxidizer
  211. Can throw away batteries be charged?
  212. Vitamin C on daily basis
  213. Oxidation of Potassium
  214. alice in quantumland
  215. Acid-Base Reaction
  216. Help with two problems with empirical formula
  217. drug design
  218. Bayer's Reaction
  219. Why?
  220. Deprotonation of Acids
  221. Electron Affinity
  222. equilibrium constant of thiocyanoiron(III)
  223. Inorganic Analysis(Cations & Anions)
  224. sweet aspartam!
  225. Molecular Shapes
  226. Straight-line behavior
  227. cdS
  228. [OH-] or [H+] ?
  229. Concentration to mass
  230. baking powder...
  231. Acid questions
  232. Liquid nitrogen
  233. Detrmining Boiling points
  234. Geospheric chart of the elements
  235. Free energy how to measure it
  236. Water Proofing matches & Nobel Prize in Chemistry
  237. Do it yourself test-tube chelation question
  238. Aldehydes & Tollens Test
  239. A Tricky Reaction Mechainsm
  240. A simple question about Covalent Bond and Ionic Bond
  241. Hendersen Hasselbach
  242. elasticity in colloids (gels, jellies)
  243. colloids
  244. ligand substitution & first row transition metal complexes
  245. equilibrium problem
  246. invisible???
  247. Question about phenyl salicylate
  248. Balancing Equations
  249. Need Help in Calculating MW of Unknown
  250. Brush teeth with oxiclean?
  251. Buffer preparation problem
  252. Ground level ozone = smog?
  253. Acid/Oils: Bulk storage for collectibles
  254. Chemical energy
  255. can a pendulum clock be used in an earth satellite
  256. New here..PLEASE help
  257. Difference Between Aqueous Solution An Dliquid State?
  258. Where to buy bulk chemicals?
  259. Calculating nodal surfaces
  260. Twilight Zone Orgo Lab problem
  261. help on word...
  262. About Bohr's Model...
  263. Arraging atoms/ions based on atomic radius
  264. Help Needed Asap
  265. please help me!!!!!!!!!!!!!!
  266. Nonconducting liquid
  267. I need help with this chem question
  268. redox with 3 half reactions
  269. Ionic number for transition.
  270. gases in water
  271. oxidation number vs. ionic charges
  272. phenol + FeCl3..help!!
  273. A very intersting periodic table.
  274. Please help ASAP!
  275. Toxins and poisons
  276. Organic Chemistry Exam Help
  277. natural vibration
  278. Water purification
  279. Some pH problems that i am having trouble with
  280. some basic chemistry problems i have troube with
  281. Midterm Questions that i missed
  282. Acid Strength
  283. pH conceptual problem
  284. Help on a-level chemistry question
  285. Stuck on 2 Chemistry Questions
  286. electron affinity
  287. Effect of pH changes on UV absorbance
  288. Venus chemically.
  289. Mecury in a Sealed Flask
  290. Proof
  291. Need some help with Acid base titrations
  292. Buffer Preparation Problem
  293. molarity in diluted solution
  294. How is the superacid CH5+ made?
  295. thermodynamic equilibrium qu
  296. Safety of chemical experiments at home
  297. A simple question...
  298. carbon dating
  299. need some help...
  300. in need of help...
  301. Chemistry Forums
  302. Be god, "create first life"
  303. I'm not exactly sure about...
  304. Help with gases PLEASE
  305. Fluorescence
  306. Finding out the concentration of an acid or base
  307. About enthalpy and entropy
  308. About entalpy change
  309. some quick problems before my exam 2morrow
  310. AP Chem Exam (Multi Choice)
  311. Kerosene Oil
  312. Balancing Oxidation Numbers
  313. Why are protons positive. Why are electrons negative? Why do they attract?
  314. Lightning
  315. ATP and ADP
  316. need help with writing an ionic equation
  317. Colours
  318. potato battery
  319. [SOLVED] Purification
  320. Atomic Bomb Construction? -Yes!
  321. Attractive and replusive forces
  322. Major school task problem
  323. Elementary Chemistry Project
  324. Job choices with a CHE B.S.?
  325. Carbonate!!!
  326. what exactly is fire?
  327. Heat of Fusion Lab Help needed
  328. Better explosion?
  329. isomers of C9H20
  330. Chemistry imitating art: Borromean knot created
  331. Activation energy?
  332. Rates and Hess' law
  333. Gas with greatest molecular weight
  334. Does a substances friction increase with increased heat?
  335. Few questions
  336. Like dissolves like...
  337. Simple Gas mass/volume Question
  338. Avagadro's gas law....
  339. lone pairs and dipole moments
  340. carbonation
  341. Calculating Heat Of Combustion...
  342. Acid concentration Q's
  343. stuck on mass, volume problems
  344. Help...
  345. Does anyone know how to do these two questions?
  346. Review Questions
  347. Why can't you TIG weld Aluminium with DC current?
  348. synthesis of RhCl(CO)(PPh3)2
  349. some questions...
  350. Glowing liquid.
  351. spiderman
  352. Question 'bout the periodic table
  353. rate law
  354. making rust
  355. Help! I am lost...
  356. another weird problem
  357. Ksubc question
  358. H2O+HCL -> what gas?
  359. help me!!!!!!!!!!!
  360. I'm finding organic chemistry difficult
  361. A few questions
  362. Electron Pairs, Outer Shells and Covalent Sharing
  363. water
  364. Thalidomide racemizing
  365. Activation Energy
  366. Does any one know where can I buy Potassium superoxide?
  367. old articles about some Rh compounds
  368. Temprature of Potassium suproxide
  369. equilibrium
  370. Analytical methods of calcium in milk
  371. acid theory - which ion does the donating?
  372. Difference in Physics and Chemistry Text regarding Wavenumber
  373. Isomers
  374. Is cloth a solid or a liquid?
  375. phosphine ligands: trans vs. cis
  376. changing pH
  377. Gauche
  378. Faraday's Electrolysis Forumlae question
  379. Chemistry solubility problem
  380. Stoichometry Question
  381. carbon atom
  382. Valence electrons
  383. froth floation
  384. Simple water question
  385. Polyatomic ions
  386. Racemic Mixture
  387. solubility and hydration
  388. Entropy Question
  389. Radii
  390. Relationship Between Density and Specific Heat
  391. Why CO2 will dissolve in water? thx
  392. More Questions
  393. H Nmr
  394. An important question!!!
  395. flame thrower
  396. calculate pressure in temperature changes
  397. A Organic Chem problem
  398. Books for Inorganic Chem?
  399. rates of reaction?
  400. Easy Way to Draw Structures to Post Here anyone?
  401. Good online chemical supply?
  402. Can anyone help?
  403. Greek fire
  404. Amide coupling reagents
  405. Bioactive Glass using Eggshell
  406. Calculating Partial Pressure?
  407. bio ceramics/far infra rays
  408. Chemistry websites
  409. Mechanism of Most Chemical Reactions
  410. self-ignition
  411. Radii : a practical example
  412. Entropy
  413. Have a question.
  414. hydrolysis reaction
  415. Emperical/Molecular Formula
  416. Elements
  417. Quick Enthalpy question
  418. investigatory project
  419. A tough question
  420. How would Nitrous Oxide dissolved at temperature of 350 degrees
  421. ORGANIC please help
  422. Do 3 electron bonds really exist?
  423. Repulsive/Attractive Forces
  424. FEMTOCHEMISTRY (Preparation of coherent state superpositions)
  425. Organic-Stability
  426. Burner
  427. gas pressure and temperature relation
  428. Boric acid used to provide heat protection?
  429. Rusting of Iron
  430. Rusting of Magnesium
  431. H-nmr
  432. Henderson-Hasselbach
  433. Osmolarity
  434. valence-HELP!!!
  435. Sugar with the fewest calories per sweetness
  436. Name that mineral
  437. Mixtures
  438. Ether, plz help
  439. Acids and Bases
  440. magazine
  441. Acids And Bases...
  442. problem with density
  443. Milk Detergent Experiment
  444. Making Potassium Chlorate
  445. density calculation
  446. relative atomic mass of an element ????
  447. homework help
  448. Need Help Understanding Mass Spec
  449. Checking my understanding of Molarity.
  450. HW HELP: decomposition of ferric sulfide
  451. Synthesis of metal oxalate complexes
  452. investigate the range of complexes formed by transition elements
  453. help with beginner chem stuff
  454. Orbital craziness
  455. Hydrogenation of Alkenes
  456. How to draw the vapour composition curve in b.p./mole fraction diagram?
  457. Help needed with Aryl Carbocation stability and Electrophilic Aromatic Substitution
  458. Biochem Problems
  459. cooling..
  460. request advice on right application of NaOH or KOH
  461. Chromatography
  462. PH values of Neurochemicals
  463. Mass spectrometer
  464. Hydrochloric Acid
  465. Methanoic Acid's dissociation constant
  466. Ionisation constant
  467. help please
  468. Working of Voltaic cell
  469. Which Of The Following Statements Are Correct?
  470. Acids And Bases...
  471. online handbook?
  472. Chemical reaction
  473. Seven Carbon Alkene with one Stereogenic Center
  474. Hydroxylation of Alkenes
  475. experiment
  476. effusion rates....please help!
  477. Please help
  478. Partial Pressure
  479. Pentacoordination of Zinc?
  480. help....with these problems please!
  481. Finding salt concentrations :
  482. moles to mL?
  483. BTU Q's about burning water vs. burning gassoline...
  484. A problem relating to density and layers
  485. Balanced equations
  486. Shelf-Livees of Binary Chemical Weapons
  487. Molecular Oribtal theory, anyone?
  488. what is organic substances?
  489. Acids And Bases...
  490. Acids And Bases...
  491. Example of an reaction
  492. Dehydration reaction
  493. dehydration reaction
  494. Basic, Acidic, or Neutral
  495. reactions.
  496. Gravimetric ppt
  497. Oxyhaemaglobin V CO2
  498. Qualitative Analysis
  499. Need help urgently, due tomorrow...
  500. Character Table Hell!!!!!!!!
  501. Extra mass in atoms?
  502. Kb Expression and Value
  503. Volumes Cylinders
  504. Solvation of gas in soda....
  505. Empirical formula
  506. confusing pH question
  507. Neodymium Iron Boron
  508. The elution volume (Ve)
  509. chromatography....using acetone!
  510. Calculate Molarity of Cl- in Solution
  511. Atomic radius - core charge vs energy level
  512. Buffer solutions
  513. Help Setting up a Problem
  514. Periodicity & Chemical Bonding "Homework Help" General Chem
  515. What am I doing wrong?
  516. Questions regarding Chemical Reactions
  517. Basic Organic Chem Problem
  518. Voltammetry of alkylated colloids
  519. Question about heating an oxide
  520. Changes Of pH values....
  521. mechanism for methylbenzoate, help
  522. lipid peroxidation
  523. Enzyme Kinetics - Problems
  524. Nomenclature Question
  525. Question
  526. Acid Fast dyes
  527. Chemical Formulas
  528. Acidity of TsOH and HCN
  529. Mercury spillage
  530. Acid and Bases
  531. covalent compound
  532. Equivalence point
  533. Energetics of Organic Compunds!!!!!!!!!!help
  534. Hard Chem Question
  535. Help about benzoin condensation
  536. low composition of sodium in table salt????
  537. Lactic Acid and Blood
  538. Energetics of Compunds 2
  539. Tetraphenylporphyrin and dipole moments
  540. Polarity Question
  541. rate of ideal gas expansion
  542. Fluorescent paint
  543. How does carbon conduct electricity?
  544. pH question
  545. PH of salts
  546. Organic Chem
  547. spectral bandpass
  548. Electrochemical purification
  549. ppm iron titration
  550. Chem 101 problem
  551. Reaction Formula
  552. Chemistry CHALLENGED
  553. Hydrogen and oxyger
  554. Solubility of hydrochloride salts
  555. Another pH question
  556. concentrations/ mixing
  557. Construction of Nanoshells
  558. A question for Graduate students and higher
  559. Advice about preparing xanthates
  560. ink on plastic
  561. What do you make of this mechanism?
  562. copper(II)hydroxide ppts
  563. EDTA titration--(Analytical Chem.)
  564. cyclic voltammetry
  565. Help please, due tomorrow!!!
  566. Equality reaction
  567. Formula Weights
  568. Oh please help, only 3 hours left...
  569. i have trouble understanding the concept of resonance
  570. mechanisms
  571. Far Infra Rays
  572. Acidity
  573. A mass action expression
  574. help
  575. Enzyme Kinetics
  576. aphrodisiac
  577. What would be the ideal chemistry program?
  578. Oxidation using selenium dioxide
  579. acid base titration problem
  580. Is it safe to drink lab ethanol?
  581. Gold in seawater
  582. heat of reaction
  583. heat capacity
  584. Delocalized bonding!
  585. Stoichiometry
  586. I just started Chemistry need help please!!!
  587. physical chemistry
  588. help! need titration curve for Arginine
  589. A couple of questions of acetic acid
  590. NaHCO3 and aspirin.
  591. MO theory help
  592. Organic compund
  593. conjugate acid
  594. Equality reaction
  595. Thermochemistry - please help, test tomorrow
  596. AC Electrical heating - Clay sediments
  597. Confirming the major product...
  598. chemistry of athmosphere
  599. Infrared spectroscopy of a cyclic alkene
  600. A question about oxidization
  601. Hydrates
  602. WHy OXygen can react with metal?
  603. atom to have no electrons?
  604. Acidity of substituted phenols
  605. Retro Synthetic Analysis
  606. Polar or nonpolar?
  607. Precipitaion question!
  608. Molarity question
  609. mass loss question
  610. Oxidation of Aluminum
  611. Some general questions
  612. Does temperature affect mass?
  613. alcohols and solubility
  614. Oxidized gold
  615. [SOLVED] titration need help getting started
  616. more covalent???????
  617. general "quantities in chemical reactions" questions
  618. Tautomers and pka
  619. Bond Angle
  620. Bunch of easy Chemistry questions
  621. Reaction direction question
  622. Oxidation related question
  623. Organic Chemistry Lab
  624. Elementary dichlorination rxn
  625. redox reaction
  626. Maxwell's Demon
  627. Chemical Formulas
  628. Calculate [H+]?????
  629. spectroscope
  630. "neon"
  631. Incandescent lamp
  632. Question
  633. Good chemistry intro books?
  634. titration question
  635. Net ionic equation
  636. acids, bases, etc
  637. pKa of Phenols
  638. Identify element x
  639. Polymerization (Organic Chem)
  640. distinguishing between unknown organic compounds
  641. Lewis Structure Problem, Atoms of more than 8 valence electrons?
  642. Question regarding redox process
  643. Help please!
  644. Conjugate acid of H2PO4
  645. Calculating Molecular Geometry Angles
  646. enol-keto interconversion
  647. strong oxidizing agents
  648. boric oxide
  649. Delayed Chemical reaction
  650. Organic Chemistry Lab "Sensitive Data"
  651. Basic Rain?
  652. Finding Volume of gases!
  653. Exothermic Origin
  654. Valence Bond question
  655. Determining molecular formula
  656. Metallic bonding...
  657. question about humidity in milk
  658. Organic
  659. Xylene isomers
  660. mystery alkali carbonate
  661. Optical isomers....
  662. Please Help!
  663. Help... empirical forumla... : /
  664. What makes an explosive.
  665. Orbitals
  666. Side Chain Oxidation
  667. Is inhaling Ozone safe?
  668. titration equation
  669. Galvanic Cell
  670. Double bonds...
  671. Mole question
  672. Please help with oxidation mecanism
  673. Intermolecular Forces HELP!
  674. ASA and ASPIRIN
  675. Can you help me with this thermodynamics question
  676. Chlorsulphonic Acid
  677. Organic chemistry
  678. VSEPR/Hybirdization/diagrams HELP!!
  679. Hybirdization
  680. Lab experiment
  681. Stoichiometry
  682. Titration
  683. PH-calculation question.
  684. formula
  685. Rf value
  686. Glucose....
  687. Two unknwon factors in this stoichiometry problem
  688. Chromatography
  689. Redox
  690. Redox in basic solution
  691. Very weird problem here....
  692. Redox for molybdenum
  693. Freezing point
  694. Getting the identity of an unknown element in a reaction.
  695. Outer shells and reactions....
  696. Setting up a galvanic cell (1.25V)
  697. ester formation & amount of acid catalyst needed
  698. A stupid question...
  699. Buffer Solutions
  700. Boiling Point of a solution.
  701. Which oxidation state should I assume when balancing equations?
  702. Melting point
  703. Calorimetry Question
  704. Hard problem
  705. In High School chem wrong like HS Physics?
  706. Quick Enthalpy Help
  707. Mn Catalyst for Asymmetric Epoxidation
  708. When reactions occur, how can you differentiate between A2B2 and 2AB?
  709. Bonds? Where are the val. e-'s
  710. covalent bonding
  711. Very Difficult : Finding final Volume gasses (for me)
  712. Nuetralization Reaction involving a weak acid and weak base
  713. Long-winded finding of Limiting Reagent
  714. How to make a raincloud disappear ?
  715. Need help on radial distribution on excel!!!
  716. optical isomerism
  717. I think this is Daltons Law Problem
  718. Starch vs Cellulose??
  719. Chem help please?
  720. How to erase pen writing by chemical?
  721. Ortho,meta,para.
  722. 4,5-Dibromoisatin synthesis
  723. Help! practical application of common ion effect
  724. Some difficult questions
  725. Water (& Hydrogen Bond?)
  726. Lab Experiment:Calculating Molar Enthalpy of Fusion of Water
  727. Excessive Heavy Metals in Dieased Brains?
  728. undergraduate chemical engineering
  729. High School Lab: Precipitates and Solubility Rules
  730. Net ionic equations
  731. Vinegar and Soda
  732. explain this for me, thanks!
  733. ASA Titration
  734. Dissolving on a molecular level.....
  735. Sugar alcohols and their effect on your teeth.
  736. Ethanoic/propanoic
  737. aerogels - Supercritical Extractions?
  738. Types of Chemical Reactions
  739. emperical formula
  740. COnductivity/Resistivity
  741. Prediction the Products
  742. Determination of the final temperature inside a calorimeter
  743. "Hot" Water
  744. Equilibrium constant...
  745. Chlorination mechanism....
  746. condensation polymers
  747. Solution Concentration: Molarity
  748. Standardization of H2O2 Solution
  749. Silver-sulphur
  750. C Nmr
  751. Alcohols Combustion
  752. Did anyone actually enjoy organic chem?
  753. Hess' Law
  754. Molecular orbital question
  755. Acid-Base neutralization w/ more than 1 base.
  756. Polymerization - Synthesis of Orlon
  757. Errors in Ksp lab?
  758. Electrochemical Cell Question
  759. Having Trouble With Calculations
  760. Titration Calculation question.
  761. Need Tips for doing Hess's Law
  762. Isomers Of Nitrogen Difluoride..
  763. Presistant Organic Pollutants, Stockholm Convention
  764. Would a noble gas react with a radical?
  765. relative basicity of two molecules.
  766. acs
  767. A simple question.
  768. Molecular Orbital Theory
  769. Home Brew?
  770. Naming Ionic formulas
  771. Gas chromatography
  772. What is Dioxin ?
  773. the exact difference between Chemistry and Physics..
  774. Berylium and Lithium
  775. Cis vs. Trans epoxidation of olefins
  776. Linear range- in detector of GC
  777. aspirin questions
  778. Thermodynamics: Equilibrium HELP!!!
  779. Acidic, Basic, or nuetral???
  780. salt and freezing point
  781. Bond Angles
  782. structure of boehmite
  783. chemists, I NEED HELP WITH ALCOGELS!
  784. Temperatures of reactions
  785. The definition of 'shielding'
  786. gas chromatography!
  787. hybridaization
  788. good links about Gas Chromatography
  789. Electronic Configuration Question
  790. mole fraction
  791. Fluorescence
  792. Shapes of orbitals
  793. pH help??
  794. What elements of Gen. Chemistry I are important in II
  795. Rusting
  796. Laboratory Apparatus question
  797. polarity
  798. Normal electron configuration Ethyne
  799. Packing Spheres
  800. proton
  801. Boiling points of water
  802. Silver nitrate
  803. Lab Setup question
  804. Gas Collecting Setup
  805. Ksp question
  806. Can air be frozen?
  807. Net Ionic Equation
  808. Does nuclear bombs emit EMP?
  809. Heat of Reaction - Calculations Help
  810. Chemics of NOx
  811. Mark-Houwink-Sakurada constants - HELP!!
  812. Strong Base - Weak Acid ?
  813. coursework - unknown acid: tests - PLEASE HELP!!!!!
  814. very simple polar covalent bond questions
  815. find the mass
  816. How to combine elements of differing ionic charge
  817. Molecular model kits
  818. Hplc!
  819. equilibrium / buffer question
  820. Chemical Equilibrium Problem
  821. VSEPR Theory.....
  822. Chemical Equilibrium Problem #2
  823. how do i draw the structure of O-iodotoulene?
  824. Calculating Avogadro's number from scratch
  825. Balanced Reactions and Mechanisms
  826. Classifications
  827. Element that is also a molecule?
  828. Glucose
  829. Urgent: Finding Mystery Volume
  830. electric field
  831. a Carbon skeleton with 2 diff functional groups
  832. Heat Capacity iron heating water
  833. Supercritic CO2 as an extraction solvent
  834. Chemical bounding
  835. Questions about the separating mixture
  836. What are the pragmatic applications of physical chemistry?
  837. Limiting Reactions help
  838. Reaction of 1-chloro-2-propanol with hydrogen halides
  839. catalyst
  840. Chemical compositon of sugar [substitutes]
  841. Manometers
  842. Organic Chemistry
  843. Bond sizes in organic chemistry
  844. properties of organic acids.
  845. Relating Molar Enthalpy of Oil to Something: Need Lab Ideas
  846. Tylenol and Advil
  847. help with 'elementary' question..
  848. Organic Chemistry
  849. Physical chemistry..
  850. Help!
  851. alkanes, alkenes, and heat
  852. shape of H2SO4
  853. electrorheological fluids
  854. Alkene reactions
  855. bleech golfballs
  856. A Question about Chromatography
  857. Molar Mass question
  858. Vitamin A and Beta Carotene
  859. *Thermite Reaction*
  860. Simple question.
  861. What was happening on the lab?
  862. Please Help!
  863. determination of the atomic radius of an Al atom
  864. Chemistry Supplies?
  865. Hydrogenation of 1-Octene to n-Octene
  866. Curious question
  867. Applying Chemistry to the real world
  868. Reaction of acetone with oxalic ester
  869. COOH synthesis
  870. Having a problem with atom/ion radius
  871. Availability of Chemicals
  872. Basic Stoichiometry
  873. Mass measurement for gases
  874. CSI Test
  875. One question
  876. Isotopes
  877. Electrolytic Cells
  878. Ethers
  879. Conductors
  880. Per cent
  881. Synthesis of a nitrile from an amide
  882. Calculation problem
  883. Hydrogen bonds!!!
  884. Energy problem
  885. Does HOF exist?
  886. Protonation
  887. polar aprotic solvent sn2 rate
  888. Entropy Change
  889. optically active compounds
  890. Question regarding bonding in liquid.
  891. Why is HF dangerous
  892. estimating width of molecules
  893. Why are liquids generally less dense than solids?
  894. Calculating pressure
  895. Calculate volume in combustion
  896. partial pressure
  897. about the substitution reaction
  898. Gravimetric Analysis
  899. Urgent Purty Problem
  900. Question on how to prepare mixtures.. need help!!
  901. Maillard Reaction
  902. Hydrogen to Helium...Helium to heavier elements
  903. Oxidation States
  904. NaCl Crystal
  905. Titration of NaOH and HCl... need help
  906. Electrolysis Of Water Help Please....
  907. Organic help
  908. Chemistry Hydrate Problem
  909. Tetrahedrally adapted metal d-orbitals?
  910. Cod?
  911. volumetric analysis question. Help plz
  912. Theoretical/Computational Chemistry
  913. acetanilide
  914. evaporated beer
  915. Calling all Chemistry Experts
  916. Order of reaction
  917. Questions about chlorine
  918. Kinda dumb q about oxygen
  919. Isolation of cobalt
  920. Detecting Minerals through chemistry
  921. Right vs. Left Handed Molecules
  922. Log Sig Figs Confusion
  923. Molality question
  924. percentage problem
  925. Empiric formula
  926. acid bases help
  927. Need Some Help
  928. Solid Rocket Motor
  929. Finding temperature
  930. writing balanced net ionic equations
  931. Chemistry Questions
  932. Copper Nitrate plus water
  933. Question about Experimental Results
  934. Bonding energy?
  935. Basic chemistry help
  936. Really basic netron/ electron stuff
  937. State of matter?
  938. word equation
  939. IUPAC names
  940. Helppppp Stoichiometry (sp?)
  941. site
  942. Molecular Structure
  943. can pure molten hydrochloric acid conduct electricity?
  944. Structure of 2,4-Pentanedione
  945. Normality question
  946. chloroform and metals
  947. organic help
  948. volume needed to precipitate something
  949. need help ASAP!
  950. ethylene reaction
  951. Oxidation States....
  952. Double bond....
  953. thin films and the likes...
  954. Thermal Gravimetric Analysis question.
  955. Calculating Partial Pressures, Keq
  956. Starlight
  957. atomic spectra
  958. Which of these is spontaneous??
  959. Ionic Charge and the Periodic Table
  960. Make hydrochloric acid
  961. I need saltpeter
  962. dilution
  963. One question
  964. Calculating Ea through slope
  965. Titration
  966. cool reaction!!!
  967. Hydrogen Peroxide
  968. Stoikiometry
  969. pH meter
  970. Periodic Trends
  971. Chemical confusion?
  972. problem help!
  973. An other stoiciometry problem
  974. Lab safety-related
  975. Do pH levels carry on thorugh evaporation?
  976. Lewis Dot Structure for ClO4-
  977. Chemistry Scavanger Hunt
  978. Stoichiometry Help
  979. Dissociation type problem
  980. Non 1:1 Ratio in Acid-Base Neutralization
  981. EXCIPLEX : a "new" molecule
  982. Chemical Kinetics Query
  983. Molarity?
  984. peroxide's cool
  985. Uber Explosives
  986. Calcium + Calcium Nitrate → ?
  987. Naming Acids
  988. Analytical separations
  989. Manufacture of nitric acid
  990. Light and Electrons
  991. Solids are solids
  992. Fractions of distillation.....
  993. Websites
  994. Enzymes and Catalysts
  995. Hear me out; this *is* a chemistry question
  996. Conductivity of Water
  997. bone experiment, need facts
  998. Bond enthalpies....
  999. Molecular Shapes
  1000. Half Life help
  1001. Electrochemistry question
  1002. few questions
  1003. need urgent help with chemistry lab - kinetics
  1004. I need help with determaning the age of something by rust
  1005. Plea for help with kinetics lab -- Urgent
  1006. Redox reactions
  1007. Last Minute Help
  1008. density of water and bonds.
  1009. Two, atleast to me, perplexing chem problems
  1010. pH
  1011. Chem Trends
  1012. LIMITING reactions
  1013. Calorie Problem
  1014. nfo of different chemical components?
  1015. Chemical Shifts
  1016. fire
  1017. Vespr Help
  1018. Are white and brown sugar the same thing?
  1019. extraction/purification caffeine - help
  1020. Poll: Best invention ever and why?
  1021. Titration
  1022. Question
  1023. Chemical Equilibrium, finding concentration
  1024. Spectrophotometry
  1025. Last Minute Question--Test Hours away
  1026. Gas in windows?
  1027. Acid!
  1028. Reducing agents
  1029. Finding major species in aqueous solutions!
  1030. vapor pressure
  1031. recrystallization websites
  1032. Please Help!!!
  1033. Biofuels?
  1034. To determine the activation energy
  1035. enthalpy of neutralisation
  1036. Burning Salt
  1037. Equilibrum Concentration Problem
  1038. Simple question about calorimetry.
  1039. American Chemical Society - Spring 2005
  1040. bp and mp
  1041. molar enthalpy of reactions...
  1042. Vapor Pressure
  1043. Nutritional information
  1044. Straightfoward chemistry question.
  1045. totally stuck!!!
  1046. Inorganic Fertilizer
  1047. Chemistry of Alkaloids
  1048. Double Dissaciation Problem
  1049. self adhesive vinyl
  1050. Corn Starch
  1051. conjugate pairs versus not conjugate pairs
  1052. Finding pH and molarities
  1053. Question in regards to the equilibrium law and expressions
  1054. Etching copper
  1055. Disproportionation....
  1056. Purchasing chemicals?
  1057. Volumetric estimation of iron(II)ions
  1058. some basic concepts of chem
  1059. net ionic equations
  1060. Fire Anyone?
  1061. Earth.
  1062. Fuels
  1063. Gas laws
  1064. Measuring rate of reaction via rate of temperature change
  1065. Please check these balanced equations!
  1066. synthesis problem - help plss
  1067. Question about solutions.
  1068. Making Sulfur
  1069. Mercury Hg2+2 ion
  1070. Sleeping Potion
  1071. Questions in conductivity of solutions
  1072. A question about gravimetric analysis
  1073. crystallization
  1074. Gases
  1075. Question about titanium tetrachloride
  1076. Innocentive Challenge
  1077. Adding KNO3
  1078. Lasers/ Atoms
  1079. Hydrogen bond
  1080. limestone, weathering, metal, word equation
  1081. Calculating a Kis value for a competitive inhibitor
  1082. quick help!!!
  1083. idle wonderings
  1084. Which ions?
  1085. Activity series in water
  1086. Gas Law Problem.
  1087. Electrochemical cell
  1088. What's the blue/black crap in the water? (electrolysis)
  1089. Fossil fuels-- rescue me plz
  1090. Color of fire
  1091. Kinectics
  1092. How do flourescant lights work/run out?
  1093. help for ionization
  1094. What is green copper?
  1095. Soda with melted ice
  1096. H/D exchange
  1097. Energy in Chemical Reactions
  1098. Schoolground environmental chemistry
  1099. Ph Problem
  1100. Hydrogen Balloons
  1101. Zn(NO3)2 problem!!!
  1102. Help with products of reactions
  1103. hydrogen
  1104. Spectrophotometry
  1105. Heat of Vaporization
  1106. density of sodium hydroxide
  1107. Polybutene
  1108. about crystals
  1109. Ice
  1110. enthalpy of formation
  1111. Wavelenght
  1112. Partial Energy Level Diagram for Hydrogen
  1113. 10,000ppm hypochlorite
  1114. Creating Light
  1115. thermochemistry
  1116. Vapor Density: 1.3
  1117. Why sometimes is it more accurate to weigh liquids than to use a graduated cylinder t
  1118. Question about AMU & Temp. Conversions
  1119. A question about calorimetry
  1120. when they combine
  1121. Finding Moles of ML?
  1122. Mixing oil and water
  1123. Iron/Copper Age
  1124. periodic table/electron config
  1125. A quick chemistry Question
  1126. Acid-base titration
  1127. A hard electrochemistry question (in my opinion)
  1128. another universe
  1129. Acid/Base Question
  1130. Molecular Weight Question
  1131. Ionic equations
  1132. Why do most reagents have potassium instead of sodium?
  1133. Iron/Stainless Steel
  1134. Metal Equation
  1135. Electron probability in oscillating hydrogen molecule
  1136. What is the mechanism for demercuration of organomercurial alcohol?
  1137. Metals from ores..
  1138. Why is the flow behaviour or viscosity important in the case of polymer?
  1139. pH
  1140. Isoelectronic series?
  1141. Help!
  1142. Which photon has the higher frequency?
  1143. EM radiation frequency
  1144. Catalytic reactions
  1145. Catalysts
  1146. Residual Entropy
  1147. Thermodyamics
  1148. This Cannot Be Density In Chem
  1149. pi bonds for hybridizations
  1150. Organic Chemistry: Formamide + Formic Acid
  1151. Organic Chemistry: Haloform Reaction
  1152. atomic theory in another planet - problem
  1153. Figuring out the acidic % of a certain food
  1154. Arrhenius equations; A2 Chemistry coursework
  1155. Why do onions make you cry?
  1156. Hydrocarbons
  1157. Molarity notation
  1158. Huh?
  1159. two simple questions
  1160. physical equilibria
  1161. H2S + xxx -> Neutral
  1162. thinking hard about errors in titration!
  1163. Specific heat - calorimetry??
  1164. Absorbance and Stray light...helppp!
  1165. please help with equilibrium problem
  1166. A good smoke bomb.
  1167. Swimming pool chlorine questions
  1168. Chrome alum
  1169. Stearic Acid combustion
  1170. Problem related to Alkenes
  1171. Back-titration help
  1172. Formula
  1173. PV=nRT?
  1174. Atomic structure
  1175. Calculating Heat of Combustion
  1176. Acid/Base Reactions
  1177. Buffer Systems
  1178. Specific heat question please help =(
  1179. molar mass
  1180. a mol question
  1181. Making a gold solution for plating.
  1182. Heat capacity
  1183. Equilibrium.
  1184. pressure
  1185. Lewis Structure + Molecular shapes
  1186. Acid Questions
  1187. help needed badly in understanding the concept of atomic masses
  1188. Reaction of an organic acid with aluminium phosphate
  1189. Very basic
  1190. need help with rate
  1191. nodal surfaces?
  1192. Oxidation number
  1193. Boiling point question
  1194. Oxide coating question
  1195. Ore Mining question
  1196. Atomic mass: Isotope question
  1197. Another boiling point question
  1198. Enthalpy question
  1199. Gas Law problem
  1200. Enthalpy
  1201. Conjugate acid
  1202. the Bohr model of the H atom for anyone who needs it
  1203. Covalent bonds
  1204. Acid indicator question
  1205. Am I doing these Chemical Equilibrium Mass Action Expression problems correctly?
  1206. bonding quest.
  1207. changing molar mass at diff temp and pressures - help
  1208. Synthesis
  1209. flame color
  1210. Need help with titrations and buffers
  1211. need help with simple calorimetry problem
  1212. Review my work?
  1213. Crystal experiments
  1214. Foggy mirror...
  1215. Explosives
  1216. Grey and White tin
  1217. Bonding in Liquids
  1218. real gases
  1219. Separtion by paper chromatography
  1220. Concentration Citric Acid in Lemon Juice?
  1221. Reducing Sugar
  1222. Nopola polar covalent ionic?
  1223. Shapes of structural diagrams-help!
  1224. Fishing...
  1225. Am I getting the correct answers for these Chemical Equilbium (I have a test tommorow
  1226. Reaction Rate
  1227. Martini Chemistry
  1228. Identifying spectator ions
  1229. Hair Gel
  1230. Undo Highlighters Chemical
  1231. chemical makeup of tapwater
  1232. Nitrogen Organic
  1233. Coal Tar....wtf?
  1234. Predicting a reaction between ester and acyl halide
  1235. Fast reactions
  1236. Mercury + Aluminium Equation
  1237. Pros & Cons of Citric Acid in Lemon Juice
  1238. pH -- really basic, I know, but I'm tired
  1239. Seperating with solubility
  1240. silicon inert?
  1241. natural log of a pressure is...?
  1242. Two more for the champs
  1243. Some Equilibrium Problems
  1244. Equalibrium Problem
  1245. Help! Urgent!
  1246. A very specific equilibrium reaction...
  1247. Ferric Chloride: MSDS and safety precautions
  1248. Back with a brand new edition
  1249. Question on Ionic bonds and compounds
  1250. Need help finding the formula of a compound
  1251. what's the answer
  1252. ASA Synthesis
  1253. Electrochemisty Concept- Help Plz
  1254. two equilibrium problems
  1255. Buffer solution
  1256. Which will dissolve in water Castor Oil or Potassium Iodide?
  1257. Solutions compared of solutes and solvents
  1258. Why is the heat of formation for NaOH negative?
  1259. Rates of reactions
  1260. UV visible spectroscopy
  1261. Need Help!!!
  1262. where can i find a list of redox half equations?
  1263. redox equations
  1264. geometric isomers
  1265. Potassium Chlorate and Sugar ignitor
  1266. Chemistry Buffers
  1267. redox equations help
  1268. Chem Equilibrium Q
  1269. brown ring test
  1270. is this equation correct?
  1271. Will a long tube act like a fractionating column?
  1272. Silicon dioxide
  1273. absolute zero
  1274. Chemistry Question
  1275. Why is Hydrogen so flammable?
  1276. Chemistry joke
  1277. Acivation energy question
  1278. Help!! I need to know how...
  1279. Equilibrium Question
  1280. Silicon Surface Texture.
  1281. crystal ID
  1282. PhD in chemistry
  1283. Atomic absorption spectroscopy
  1284. Henry's Law Constants
  1285. Simple question
  1286. help
  1287. Equilibrium
  1288. Two quick questions
  1289. Please help
  1290. Sn1 vs Sn2 reactions
  1291. Question on the rxn of Alcohol and Carboxylic acids.
  1292. Chemistry Question - Help Needed
  1293. Acceptable GRE Score (Chemistry)
  1294. Does pure gold oxidize(I truly need a long-time proffesional chemist)!
  1295. Canadian Chemical Distributors
  1296. quick question
  1297. Vinegar to methanol?
  1298. Diamond
  1299. any suggestions for inorganic chemistry problem books?
  1300. Questions from Exam Grade 11 Just Check
  1301. Chemical components in insecticides
  1302. help!!!!can anyone answer my question!!!!!!!!!
  1303. Infinite Energy With Fuel Cells?
  1304. Detecting volcanic ash or meteor.
  1305. Thermodynamically favored reaction
  1306. Chemical snow
  1307. Properties of CsF and NaF..
  1308. Enthalpy
  1309. Finding Unknown Liquids
  1310. heat of combustion
  1311. Need advise about Industrial Chem!
  1312. How do I remove copper from water (be realistic)
  1313. basics please
  1314. Redox
  1315. Urgent A2 OCR Planning help
  1316. isomer separation
  1317. working out the ph of CH3COONa
  1318. What Is Acyclic Isomer
  1319. Redox Relapse
  1320. ACS Organic Exam... Who's taken it?
  1321. CHEM EQUAtioNS HARD!!!
  1322. Chemical cell ! help !
  1323. oxidation numbers
  1324. What part of air hits dust?
  1325. some question need to be solved!!!!!
  1326. Chlorine Poisoning??
  1327. does anyone know what color azo-dye..
  1328. how does ions affect rusting
  1329. any computational chemists in the house?
  1330. Confused!
  1331. Quick organic chem question\
  1332. Difficult question
  1333. please help
  1334. pH calculation
  1335. incorrect exam Questions
  1336. calculating the amount in moles
  1337. inept neutralisation
  1338. Esterification
  1339. 2 Q's
  1340. heat of reaction
  1341. Heat of Reaction
  1342. My heads gonna burst-please help!
  1343. pH and pOH and [H+] and [OH-] Problems..
  1344. red glow
  1345. Production of sulfuric acid
  1346. Bromine
  1347. pH calculation once again
  1348. Light's interaction with particles...
  1349. Reducing Smoke
  1350. What's the deal with esters?
  1351. Chemical calculator poll
  1352. KS and TS
  1353. mathman@fliegler.com
  1354. Opinions Needed on Chemistry softwares, Which is the best?
  1355. Has anyone got a chemical equilibrium prac they could send me?
  1356. Hydrogen Peroxide
  1357. Freezing Point Depression
  1358. Zinc Carbon Cell
  1359. 2 Quick Q's
  1360. Organic Chem - Products
  1361. Question about spectroscopic notation
  1362. Titrations and pH indicators
  1363. Chemistry of Water?
  1364. Isomers
  1365. question bout physical chem
  1366. C5h11oh
  1367. Activation Energy
  1368. How to balance equations using the half cell method?
  1369. Heat given by a flame
  1370. How to crystallize water?
  1371. calc. the MM from decay and half life
  1372. Pentanol Problems...
  1373. Partial Pressure Calcs.
  1374. Double Displacement Reaction
  1375. Nitrogen reactions
  1376. Need help calculating percent composition
  1377. Inorganic chemistry: d-Metal complexes
  1378. Misc. questions/Inorganic chemistry
  1379. Questions about molec. geometry and electron pairing
  1380. Equalibrium & Le chatliers principle
  1381. Enantiomeric excess question
  1382. Equilibrium
  1383. problem: weak acids
  1384. help about -ate
  1385. Chemical elements
  1386. electrophilic addition of bromine
  1387. Ozone and oxygen statement
  1388. ionization
  1389. Fast oxygen absorber
  1390. Conjugate acids and bases
  1391. Tough Synthesis
  1392. pH calculation
  1393. cohesion of water
  1394. oxidative cleavage of alkenes
  1395. basic question
  1396. Phenol-formaldehyde synthesis and solvent
  1397. Atom's Radius
  1398. looking at reaction force on a molecular level?
  1399. Similar Reaction Mechanisms
  1400. Nitric acid from gasoline
  1401. excess/limiting quantities
  1402. Quick deprotonation question
  1403. Pls advice me
  1404. Enthalpy Tables for various fuels...
  1405. cathodic protection
  1406. electroylsis help
  1407. Ionice equation help
  1408. What characterizes an acid as strong?
  1409. X-ray scattering
  1410. Quick Check
  1411. Chemistry is so hard to understand when you're bored and tired...
  1412. No, No2 ?
  1413. Help understanding a lab - intermolecular bonding
  1414. 'Plastic oil' could improve fuel economy in cars
  1415. Major in Chem E, or Chemistry?
  1416. Volumetric Analysis
  1417. Equilibrium question
  1418. Titration Help ASAP.
  1419. Pool Chemicals Burn Woman
  1420. 2-methylbutan-2-ol bp
  1421. Organic chemistry - benefits to society
  1422. Why does rust not dissociate in water?
  1423. Why do H+ ions not react with the atoms/molecules they're originally bonded to?
  1424. Ok, I give up, What is -Et?
  1425. Alcohols + non-organic acids = ?
  1426. Aluminium Chloride
  1427. citric acid
  1428. Using KF for electrolysis
  1429. Drying Out Iron Chloride
  1430. This may sound rather silly
  1431. Question about reactivity of substituted furan in H3O
  1432. Buffer help.
  1433. Finding the resulant from the product
  1434. mrjeffy and associates...
  1435. Need help w/Rydberg's formula
  1436. Precipitate question
  1437. Chemicals in foods that produce "high"
  1438. atoms and ions radius
  1439. Conversion to Diol
  1440. Units of KJ
  1441. Hydrolysis of ethyl ethanoate (soaponification)
  1442. need help on moles calculation
  1443. Net charge
  1444. Oxidation numbers
  1445. Finding the value of the ionization for an acid
  1446. Silly NMR Question
  1447. An gas molecule problem
  1448. A universal constant?
  1449. polar
  1450. Lactic acid reaction question
  1451. dissolving CO2
  1452. Bond length = Bond strength ?
  1453. Heat of reaction
  1454. Science fair
  1455. Organic Chemistry
  1456. ionization energies
  1457. Sodium Hydroxide and Plastic
  1458. isomers for C4H8BrCl
  1459. Making 50%v/v and 50%w/v glycerol solutions.
  1460. structural formulas
  1461. density conversion
  1462. Thanks So Much Every1!
  1463. The H-bond's strength
  1464. physical chem
  1465. phase equilibrium
  1466. About Benzene
  1467. Oxygen tanks for diving
  1468. I need Helps..... Decomposition Reaction WE
  1469. term symbols & degeneracy
  1470. equilibrium constant
  1471. chemical reaction & cooling
  1472. Ethanol & Fermentation
  1473. Boiling points
  1474. pH of weak acid/weak base salts
  1475. Help Determining the Activation Energy
  1476. trans-cinnamic acid
  1477. i need some helps....how does acid affect the ionization of water ?
  1478. Question for chemists about lanthanide-carboxyl structures and their formation
  1479. acid/base
  1480. Predict whether the following reactions occur...
  1481. Electrolysis of Brine....
  1482. Hot wax and cold water.
  1483. Stability of transuranic elements
  1484. Calculation of tetra
  1485. questions about aluminum in electrolisis
  1486. colouration
  1487. isomers of C6H10 and C6H12
  1488. solubility problems
  1489. Supercritical helium
  1490. topic for investegatory project
  1491. solubility & acids
  1492. how to calculate polarity...basic, i know
  1493. The Cleaner
  1494. help with working out chemical equations
  1495. ACS in Washington DC next week, who should I go see?
  1496. law of multiple proportions
  1497. organic Xenon polymer
  1498. Red phase oxygen...
  1499. What makes water safe/unsafe to drink?
  1500. methyl amine w/ a sulfonyl chloride
  1501. exp'al set-up
  1502. reaction kinetics
  1503. chemical equilibrium
  1504. Electrochemistry
  1505. Acid/Base pH
  1506. base plus base?
  1507. green tea
  1508. Lactase query
  1509. Why does water have a high specific heat?
  1510. Thin Lead Chromatography help
  1511. electrolysis variables
  1512. Mixing Nucleus.
  1513. About Williamson ether synthesis
  1514. food coloring
  1515. What are delta bonds?
  1516. What is conduction band?
  1517. NaOH Corroding Metals
  1518. Equilibrium Frustration.......
  1519. Pauling scale
  1520. Shells & subshells!
  1521. rare element
  1522. quick simple H-bonding question
  1523. Significant Figures
  1524. biochem thermodynamics
  1525. Hyperconjugation???????
  1526. Online course on drawing the structure given the IUPAC names
  1527. Help with test for anion in Copper Chloride
  1528. designating hybrid orbitals
  1529. Polycyclic Nomenclature
  1530. water filtration sysyem for relief in N.O.
  1531. Chemical and Physical Changes
  1532. Organic Questions
  1533. Chemical Drawings
  1534. Looking for a colour changing dye
  1535. Stable translucent colloid solution
  1536. Introducing Molecular Workbench
  1537. chem word problem !! plz help
  1538. Dissipation of stored energy
  1539. infared ray absorption
  1540. c18 hydrocarbon
  1541. hydrolysis of ROH
  1542. my drinking water...
  1543. Boiling points
  1544. Molarity---Organic lab help
  1545. dissolution of corrosion product over inconel 600 and SS304
  1546. Iron, Sulfur, and Hydrochloric Acid
  1547. Intermolecular forces problems
  1548. Free Nomenclature Naming Programs?
  1549. Nucleus Charge
  1550. Trying to find a Solidifier that is water Soluble
  1551. Impossible to centrifuge salt out of water?
  1552. IB HL Chemistry Lab Suggestions
  1553. Stainless Steel
  1554. Dissociation of glycine
  1555. Net Ionic Equations
  1556. Organic chemistry question
  1557. Calculating pKa
  1558. Corrosion and EMF Series
  1559. Chemical formula and thoretical/percent yield.
  1560. Organic chem. study guides?
  1561. Molar absorptivity of iso octane
  1562. Energy per Volume Crated by Best Chem. Reaction
  1563. Proving inflection points - Titration
  1564. some desperate chem help
  1565. Chemistry Equations Using TeXaide
  1566. Law of Multiple Proportions
  1567. Spectroscopy Questions
  1568. Dipole Dipole and Lewis Dot structes
  1569. Toluene + bromine
  1570. cyclohexene and toluene + sulfuric acid
  1571. Beer-Lambert Law
  1572. chemistry help
  1573. Ionic chrystal
  1574. Two basic chemistry questions
  1575. Mass Ratios and Mutiple Proportions
  1576. Catalyst
  1577. Gravimetric Analysis-- Questions
  1578. Metal Reactivity
  1579. Hrlp Please...
  1580. Zinc and Acids
  1581. How do you add equations
  1582. Chemistry book online
  1583. Heat of Reaction
  1584. Bromine from BCDMH
  1585. Relationship between molarity & concentration?
  1586. Electron Configuration
  1587. Water's boiling point and table salt
  1588. Oleic acid
  1589. Testing the purity of a protein
  1590. Milliken Oil Drop Experiment. Help Please.
  1591. Quick acid question
  1592. Neutralization (Acid-Base) Reaction
  1593. Which is the stronger acid?
  1594. Extraction question
  1595. needing help
  1596. electron dot diagrams
  1597. Enzymes
  1598. Critical Density and Vander Waal's Equation
  1599. Net Ionic Equations
  1600. Metal Reactivity, Part II
  1601. Cation Solubility
  1602. First and Second order phase tarnsitions
  1603. Gibbs phase rule
  1604. a distillation procedure, product safe to drink?
  1605. How to measure an emission spectrum?
  1606. types of charges?
  1607. Is instrumental analysis the worst chemistry class?
  1608. Changing taste of wine with a magnet?
  1609. solids disolved in liquids
  1610. 2005 Nobel Prize in Chemistry
  1611. is that possible?
  1612. Electrochemistry
  1613. Boric Acid Esters
  1614. Notes on different synthetic organic substances
  1615. separating substances under lower atmos press
  1616. Thermodyanmics question.
  1617. water behind the microwave oven
  1618. Distilled Water and Polyatomic Ion
  1619. markownikoff's rule
  1620. Flammable Bouncing Balls
  1621. Collecting Hydrogen during electrolysis.
  1622. Rust Filtration?
  1623. Funding.
  1624. GC elution order
  1625. teflon and alkoxides?
  1626. Graphite Cost
  1627. Rare metals
  1628. Help on 19F-NMR
  1629. Help with stability of full valence shell
  1630. urgent problem with round bottomed flask
  1631. Copper Ion Flame Test
  1632. Magnetic sphere in electrolyte
  1633. Zumdahl text users
  1634. importance of enthalpy
  1635. Single Molecule Nanocar
  1636. enthalpy query...
  1637. blue lake test.....HELP
  1638. Line Spectrum of Mixtures
  1639. Metal Fuel
  1640. Lewis Structures....
  1641. Please Respond!
  1642. IUPAC Nomenclature
  1643. Can magnesium Sufate ionize?
  1644. extract caffine from coffee beans / tea leaves
  1645. Unidentified Chemical
  1646. Ethanol Viscosity 50% is max?
  1647. question about polarity
  1648. Alaklides
  1649. Optical Isomers
  1650. Liq N2
  1651. Canadian Chemical Suppliers
  1652. Polyatomic ions
  1653. This might seem an immature question...
  1654. Orbital Diagrams and Electron Configuration Notations
  1655. Why would white phosphorus burn flesh bu not clothes?
  1656. Density of pure L-Proline
  1657. Pleez Help Me!!
  1658. acidity of fumaric acid and maleic acid
  1659. Making Copper Oxide
  1660. Removal of benzoyl peroxide From PMMA
  1661. simple atomic radius question
  1662. carbon ions
  1663. Good book for introduction to chemistry
  1664. structure of solid CO2
  1665. Rubber!
  1666. Nucleophilicity of Acetylide ion
  1667. Has anyone heard of P and M notation???
  1668. Fossil fuels or mantle derived hydrocarbons?
  1669. Dipoles
  1670. TOF Mass Spectrometers
  1671. Nickel Catalyst Experiment
  1672. Simulation of Radioactive Decay
  1673. Hybridization
  1674. LiAlH4
  1675. Greenhouse gases
  1676. Applied Chemistry Question :)
  1677. Any computational chemists have any advice?
  1678. What are some blue organic compounds?
  1679. Transition Elements
  1680. Dialating materials
  1681. Bovine Serum Albumin and Varous Ions
  1682. Superoxide and preoxide
  1683. Nickel-Aluminum CatalystInfo Needed
  1684. Looking for a cool Chemistry Project
  1685. Question on the boiling points of ketone compared with aldehyde
  1686. Making Fe3O4
  1687. Sodium dodecylbenzene sulfonate
  1688. pcb
  1689. if someone ask about optimum orientation
  1690. Deriving the rate laws for first and second order reactions
  1691. Easiest way to find out if oxygen is produced
  1692. Chemistry and Viscosity
  1693. calculation of absorptivity
  1694. Indirect ways to estimate latent heat of fusion?
  1695. dry ice substituting for liqud nitrogen?
  1696. Pyrolytic/Graphite/Diamond
  1697. The Chemistry Of Sweetener
  1698. Electrolysis
  1699. Store energy in lime CaO?
  1700. Fuel Cell System
  1701. Ahhh! Titanium Chloride!!
  1702. Viscosity of the system?
  1703. Chemical equation
  1704. How to test for the sweetness of substance?
  1705. Celluloid and Bakelite
  1706. Chemically dissolve aluminum?
  1707. how to test for methanol?
  1708. Q: chemistry of vanilla oil?
  1709. Potassium oxide question
  1710. stoichiometry
  1711. Crash Course in Chem
  1712. Synthesis of benzyl alcohol
  1713. Main chemical in robitusson?
  1714. Helium question
  1715. Problematic "Synthesis" of Sodium Acetate
  1716. boiling stones
  1717. Ethylene & Acetylene
  1718. Poisonous and Combustive
  1719. what is with all the homework question in the chem forum?
  1720. Water desalination plants
  1721. What is silanol and what could it be used for?
  1722. Heat Absorbing Materials
  1723. biochemistry coursework
  1724. Obfuscation around the time of the Big Bang
  1725. Where to buy buckyballs???
  1726. Energy from air
  1727. Scalewizard
  1728. Kinetic or thermodynamic?
  1729. molecular modeling
  1730. which acid?
  1731. Split from Spectroscopy Discussion Thread
  1732. Spectroscopy Discussion Thread
  1733. Cu(en)2 ??
  1734. Crystal Violet and NaOH
  1735. Carbon-14 dating.
  1736. Narcotics and how they affect the body.
  1737. Interesting question
  1738. Mole Concept
  1739. reason for optical activity(of optical isomers)
  1740. molecule rendering software
  1741. Molar Ratios
  1742. Ionizing air purifiers and arcing
  1743. How could you chemically detect peptide nucleic acid?
  1744. Software
  1745. benzo-diazpene
  1746. chemistry demonstrations
  1747. Reaction: Heat will slow down?
  1748. Help please
  1749. measuring activities with a Knudsen cell
  1750. Nitro Glycerin
  1751. Quorn
  1752. Physical Chemistry
  1753. Calling all chemists!
  1754. Question on Silver Chloride (gravimetric analysis)
  1755. IR Spectrum Query
  1756. Measure Rate of Reaction
  1757. pH and Electrolysis
  1758. Liquid drop contact angle: THF, mica & graphite
  1759. What Happens When Atoms are Compressed?
  1760. spectrometer wanted
  1761. Nitrogen Valences?
  1762. Consistant Periodic Table
  1763. how does a fart bomb work? lol
  1764. Tcc
  1765. Help me find a chemical
  1766. Why do F- and OH- have negative S values?
  1767. Soap Making - Chemistry Project
  1768. metal matters and nano technology
  1769. Best way to neutralize alcohol in your body?
  1770. Help! determining Keq using NMR
  1771. Benzene and electricity
  1772. Is zero ever a valid point?
  1773. Oscillating Reactions
  1774. Split Water
  1775. alexander shulgin
  1776. Activated carbon vs. Typical bonfire coal
  1777. Can Hydrogen undergo PI bonding?
  1778. Polycarb Vs. Acetone
  1779. Fire in pure oxygen
  1780. Na or NaO
  1781. Iron-oxide (rust) making question
  1782. Discovering the Origin of Life through reverse-time physics simulation.
  1783. does water have concentration
  1784. never took chemistry before
  1785. slick to the touch
  1786. does water/ or solid have concentration???
  1787. Light emitting chemicals and electromagnetic fields.
  1788. Partial thermodynamic equilibrium and Gibbs energy minimisation
  1789. Catalytic decomposition of nitrous oxide?
  1790. Question about potassium permanganate/reaction
  1791. Hydrogen -> Tritium
  1792. Electroplating Brass
  1793. Will Cast Iron dissolve in dil. or conc. acid?
  1794. Strontium Odor
  1795. Proton sink?
  1796. formation of H2O?
  1797. Violation of octet rule
  1798. Fischer-Tropsch Synthesis and Catalysts
  1799. Oxygen Absorber
  1800. Articles
  1801. Name of structure
  1802. Why is C not 12g/mole?
  1803. Can you unburn toast?
  1804. Anti-grafitti stuff
  1805. Hess's law
  1806. Perfect battery
  1807. Melting point at high pressure.
  1808. Water potential
  1809. Chemistry review books?
  1810. Tautomerism
  1811. Conductive Glass
  1812. ochem energy calculation - correct answer?
  1813. Acids and Bases ?
  1814. stereoisomerism problem
  1815. Separate by boiling
  1816. Sorry if this sounds suspicious..
  1817. Where exactly do you get the chemicals to do your own experiments?
  1818. Quick Questions
  1819. Alkyl groups
  1820. How to measure concentration
  1821. Galvanic cell
  1822. Isomers of Pentene... So confused!
  1823. Chemistry Texts
  1824. Eutectic point
  1825. 2,3-dimethylindole
  1826. Making molecules?
  1827. Acetone from Nail Polish Remover?
  1828. Electricity and impure water
  1829. ice cream and freezing point depression
  1830. Galvanic Cells
  1831. Shampoo
  1832. Chemical Blogs
  1833. How do I get galvanized steel to rust?
  1834. Preparation of Chromium (III) Salts
  1835. TiO2
  1836. Hello friends........
  1837. Ice Cream
  1838. Phase Changing substance: please help me out
  1839. Acid Reaction
  1840. Gas Producing Chemcial Reactions
  1841. Historical question concerning Moseley's experiment
  1842. Truth in MSDSs and Tetrabromoethane
  1843. Sulfur Extraction and Potassium Nitrate
  1844. KNO3 Purity
  1845. more tetrabromoethane questions
  1846. why do electrons repel?
  1847. Chem Concept
  1848. Convertion from nanometers to CIELAB values
  1849. Distillation Technique
  1850. Different Rates Of Corrosion
  1851. atomic mass units
  1852. can not open IR spectra file
  1853. Properties of matter
  1854. Boron esters and oxygen removal
  1855. hcl gases recovery
  1856. did zinc react with zinc sulphate solution?
  1857. Elements that react with crystalline
  1858. Molecules with Odd Electrons
  1859. Rusting in the fermentation room. Explanations?
  1860. Atomic number and
  1861. Making your own plastic?
  1862. Paramagnetism/Diamagnetism Predictions
  1863. Answer This If You Can
  1864. Chemical Bonding - Polar bonds
  1865. changes in glass after heating
  1866. Structural stability
  1867. working with NaF and KF
  1868. Stronger than Kevlar?
  1869. gaseous water- no need to drink.
  1870. The Ultimate Question
  1871. Quick polymer nomenclature
  1872. proton exchange membrane
  1873. Coating Al and Cu simultaneously
  1874. Peltier's Effect
  1875. Stronger than Kevlar? (#2)
  1876. Hybridisation in d-block elements
  1877. ion
  1878. Pressure/Gases
  1879. Strontium Compounds
  1880. help with a problem please?
  1881. Dissolving Ethanol
  1882. Weak Acids and Strong Bases
  1883. A question about water
  1884. Need Advanced Chemist
  1885. Some Organic thing...
  1886. am stuck
  1887. I Need Experiments
  1888. Chloralkali Process
  1889. copper chloride1
  1890. long chain of c=c carbon double for room temp superconductivity
  1891. Poisonous and Infectous
  1892. Conversion Help Please
  1893. Conductivity
  1894. Hybridisation
  1895. BioDiesel
  1896. Metal Alloy Texts
  1897. Buckministerfullerene (C60)
  1898. At what temperature water decomposes into hydrogen and oxigen?
  1899. Oscillating Reactions
  1900. Polymers and Acids
  1901. Why isn't water a gas?
  1902. Diels-alder reaction
  1903. Heat Treatment of Aluminum Alloy
  1904. Plastics Acids
  1905. Atomic Orbitals vs. Molecular Orbitals and Hybridization
  1906. half Life of radioactive insulin
  1907. Epn
  1908. predicting chemical reactions
  1909. Periodic Tables
  1910. 2 qn regarding rxn of copper sulphate
  1911. Pd cats. for Suzuki microwave rxn.
  1912. generic elastomer question
  1913. Electrolysis
  1914. Al in CuSO4
  1915. The Wax
  1916. Oxidation of KMnO4
  1917. Calculating the outcome of a reaction, how to?
  1918. H2SO4 + Sugar Reaction?
  1919. Rum + Fruit Punch, aceitic acid limiting reagent?
  1920. Addition Polymer Degradation
  1921. Hybridization
  1922. Fischer-Tropsch process
  1923. Replication of Photosynthesis Through Chemisty?
  1924. need polymer books
  1925. Standard Enthalpy of formation
  1926. Isoleucine
  1927. Precipitated Carbon
  1928. Shape of salt crystals
  1929. Very Odd Residu
  1930. Nano wires
  1931. halogens/Halides
  1932. Acid For Plaster of Paris
  1933. Hydrogen Fuel Cell
  1934. World War II Questions.
  1935. Potential Energy
  1936. water bottle explosion with acid smell
  1937. Vinegar and steel
  1938. Blue plasticine-like mass
  1939. How to calculate?
  1940. Zumdahl's Chemistry
  1941. stone wash denim
  1942. stoichiometric and non stoichiometric defects in the crystal lattice
  1943. mixture
  1944. Please exlplain this to me
  1945. Polarized light
  1946. Fractional distillation
  1947. Basicity of NaSH compared to NaOH?
  1948. In general, what is the best type of column used for fractional distillation?
  1949. Ybco
  1950. phenol acidity
  1951. Guys pls
  1952. In Chlorate Cell
  1953. bullet proof materials
  1954. Why colourless for main group metals?
  1955. Van Der Wal's force doesn't add up
  1956. electrical seperation of hydrogen bonds
  1957. Why does steel change it's colour through heating
  1958. molecule and compound?
  1959. Copper Wire as Salt Bridge?
  1960. What attracts hydrogen?
  1961. Contracting substance under decreased pressure?
  1962. Graphite's delocalised electron?
  1963. Chemistry = electron reconfig?
  1964. metal + nonmetal = covalent bond?
  1965. Transforming Elements
  1966. Brimstone (sulphur)
  1967. Plasma in a light bulb
  1968. Alchemy
  1969. Copper corrosion
  1970. How could you tell whether or not a molecule *could* have pi bonds?
  1971. ACS Exam
  1972. Water H2O convert to Hydrogen peroxide H2O2
  1973. EDTA Determination
  1974. coordination metals?
  1975. A simple molecular drawing program?
  1976. hydro-
  1977. triprotic acid?
  1978. Acidity?
  1979. carbondioxide will increse acidity?
  1980. Aluminium ions are acidic?
  1981. The chemical reaction of club soda
  1982. Degree of hydration in theory?
  1983. 31P and 19F NMR
  1984. cooking and titration?
  1985. van der waals parameters a and b
  1986. ozone in the atomsphere?
  1987. sodium bisulphite titration
  1988. Clean the POM
  1989. redox for covalently bonded species?
  1990. Why does fluorine make compounds volatile?
  1991. instruments in titration
  1992. Chemical Compounds = Ionic Bonds?
  1993. Salting out/salting in
  1994. base, acid reactions?
  1995. How to Tell if an element is radioactive
  1996. Wierd reaction?
  1997. ice re-freezes quicker if hotter water used to melt it?
  1998. Oil
  1999. Byproducts from messed up gun powder
  2000. Simple question about setting fire to acetone
  2001. What happens to lead then you overhead it beyond its melting point
  2002. Hydrogen bonding. Why isn't Cl included?
  2003. question about kationts
  2004. Cheaper ways to make lye
  2005. anyone have a good example of an ester
  2006. Derivation of Eyring Equation
  2007. Equilibrium constant?
  2008. Quantum mechanics
  2009. sulfur as fuel
  2010. Them do I know then something is a combustible or not?
  2011. Ionic isomers
  2012. duh- a bad question i know....
  2013. Aviation Fuel
  2014. How to separate CO2 into C and O2
  2015. Qualitative analysis of Barium, Strontium, Calcium
  2016. How to tell if fuel is contaminated?
  2017. Intermolecular forces >>> trends in London Dispersion Forces
  2018. A question about chlorophyll
  2019. Gravity vs. Vacuum Filtration
  2020. Neutralizing H2S-- Rendering Hydrogen Sulfide in the air into a non-toxic state
  2021. Does anyone know the color of these species?
  2022. Iodine electrode?
  2023. Carbon Dioxide Extraction Inquiry
  2024. How to mix parafin wax with chemicals
  2025. Humidity and heat?
  2026. Yield gone wrong!!
  2027. silicon vs. carbon
  2028. Zink chlorid electroplating?
  2029. rust vs magnetic tape
  2030. What makes a molecule optically active?
  2031. Thin-layer chromatography
  2032. ALuminum reactions with reagents
  2033. Filming Crystals
  2034. Nuclear Chemistry
  2035. Beer-Lambert Law question
  2036. NMR theory help
  2037. can titration curves be modeled with a sigmoid function?
  2038. Paraffin wax
  2039. AP Chemistry
  2040. A2 Salters OCR Chemistry
  2041. Reversible Thermo-Chemical Reactions
  2042. adsorption of hydrogen by palladium
  2043. Mysterious compound
  2044. acid-base equilibrium calculations in business
  2045. decrasing solubility of quaternary ammonium compound in water
  2046. Looking for Phase change material
  2047. Ethanol for drinking, Ethanol for fuel.
  2048. How to make Methanol with involving electricity
  2049. Different types and kinds of storing fuels
  2050. Making Wood Alcohol/Methyl Alcohol
  2051. Separation of Mixture
  2052. extracting energy out of hydrogen and oxygen
  2053. Mercury
  2054. How does a battery work and mostly those you can recharge
  2055. How to Separate Rust Iron (Fe2O3) into Ferum/Iron and Oxygen?
  2056. Amorphous SiO2 reaction
  2057. High voltage batteries, not 2V per cell
  2058. Wax bombs, how do they work?
  2059. project help
  2060. Potassium Chlorate
  2061. Earth's atmosphere
  2062. how do i determine whether a reaction occurs spontaneously
  2063. Bonding-Antibonding Pair question.
  2064. Will KNO3 potasium nitrate disolve in methonal and later burn
  2065. Allyl Hexanoate Synthesis
  2066. how fast does liquid nitrogen expand
  2067. Separating an alloy
  2068. Foundations of chemistry
  2069. C60 electronic structure
  2070. forces
  2071. lipase; software
  2072. Help me visualize electronic vibrations
  2073. Question
  2074. MO Theory, sp Hybridization question...
  2075. some trivial question please
  2076. "Chemical resonance is legitimate and universal"
  2077. Opinion on Peter Atkins textbooks
  2078. Salicin from willow
  2079. Solubility of tungstic acid-Need Help
  2080. anyone know how to make super glue ?
  2081. how do you calculate delta G
  2082. what is the delta s and delta h
  2083. disolve chlorine
  2084. Creating water
  2085. Why do we crystallise the product??
  2086. potash
  2087. how we determine conductivity of powder??
  2088. how to prepare the mixture of inorganic material
  2089. stoichiometry & BCA table
  2090. The auto-ionization of H2O equilibrium
  2091. What are those bubbles in my beer?
  2092. methane to methanol / a direct pathway ?
  2093. Pottasium permanganate thickener
  2094. Atmosphere, Pressure, & Weather
  2095. Chenistry help
  2096. Ribose and Deoxyribose
  2097. why the bond angle of water is 105 instead of 109?
  2098. What is so special about benzaldehyde?
  2099. oxidation #'s in [Re2Cl9]2-
  2100. powder puzzle
  2101. molar absorbtivity database??
  2102. Born Haber Cycle
  2103. Calculus project
  2104. Dmt
  2105. CO2 bubbling in phosphate buffered saline (pH 7.4)
  2106. Ka of PBS
  2107. where can i get the answer keys for AP Chemistry Free Response Questions?
  2108. Rust for art--how to & suggestions?
  2109. Complex Ion Chemistry
  2110. Why the bond angle of methane is 109 instead of 90?
  2111. Mixing household bleach with urine
  2112. Crystal Field Theory
  2113. Dissolving CaCO3 in acid.
  2114. Sodium-hydroxide
  2115. Molten Salt
  2116. how to know compound is explosive?
  2117. electroconductive gel
  2118. Fractional Distillation
  2119. plastic conductor???
  2120. Ununoctium
  2121. Purchasing Pure Elements
  2122. Pepto Bismol and HCl
  2123. Why amonia is a base and not water?
  2124. NH3 adsorption at high pressure
  2125. Neutralization
  2126. What happens at a "molecular" level?
  2127. Quantitative test for sulfur dioxide in orange juice
  2128. lab write ups at the college standard
  2129. What Kind Of GlassWare?
  2130. Wilderness Chemistry
  2131. Methanol R ?
  2132. Nitration Reaction
  2133. Quick question on CFT..
  2134. SDS vs. Dodecanol
  2135. diamond
  2136. O2 + H2O is?
  2137. Addition of alkali before extraction
  2138. Bismuth compound
  2139. Scale question
  2140. why ???
  2141. 2300 year old powerplant.
  2142. Is there any difference between Miscible and Soluble?
  2143. LiAlH4
  2144. Absolute Zero.
  2145. Series and groups
  2146. Sun block that promotes Vitamin D production
  2147. Dielectric constant for octadecane
  2148. Alka Seltzer Experiment
  2149. Acetates
  2150. Alkaline Metals + Water
  2151. Conductive liquids
  2152. Memorizing Cations & Anions
  2153. Titration ph
  2154. difference in voltage
  2155. liquid batteries
  2156. Slippery elm
  2157. Labs & simulations
  2158. Reciprocal Salt Pairs
  2159. Salting in? Salting out?
  2160. Grubbs olefin metathesis
  2161. Design of a chemical reactor
  2162. Retrieving rust from oxidized steel wool
  2163. Acetone volatility
  2164. Aluminum Chloride Solution
  2165. IR/Raman spectra and symmetry
  2166. Isolating chemicals
  2167. Moles and atomic weights
  2168. Burning Hydrocarbons with by products
  2169. NH3 and Transiton complexes
  2170. Organic Chemistry help
  2171. Oxidation and Reduction
  2172. Isolation of a Pure Substance
  2173. Copper Impregnated anodes
  2174. Boiling solvents
  2175. Solvent washing
  2176. Caffeine from coffee
  2177. Chemical detection by irrediation?
  2178. Elderberry coloring oil
  2179. Deet
  2180. High school chem project [preferably on toxicology]
  2181. Electrolysis
  2182. Maxwell-Boltzmann Distribution Calculations
  2183. Lab Experiment for Preparation of Ammonia
  2184. Precipitates
  2185. 15% citric acid solution
  2186. please give me stronger oxidant than water which can't kill my body?
  2187. Iron compound
  2188. Carbon
  2189. Let's kick it up a notch
  2190. Colliods?
  2191. Exothermic reactions that release hydrogen?
  2192. Energy from methane
  2193. Illegal/Dangerous Activities
  2194. Chemical burn
  2195. Question about the Purity of KClO3
  2196. Sulfur
  2197. Distilling Ethanol by Refrigerating
  2198. Probability Ellipsoid
  2199. Water and what make gas?
  2200. [SOLVED] Sites with IR, 1H NMR, 13C NMR, and mass spectroscopy?
  2201. Do chemists have an abonormaly high rate of cancer?
  2202. What is this molecule?
  2203. iron oxide
  2204. Saponification and Esterification
  2205. Amonium Poly Cret
  2206. Electric arc
  2207. Adrenaline
  2208. Kjeldahl-Nitrogen
  2209. Electrolytic vs. electrochemical vs. galvanic cells.
  2210. Arresting mold and mildew growth
  2211. Softness/hardness
  2212. Seperation of sodium and potassium carbonates
  2213. stevia extract
  2214. Aerogel and its applications
  2215. thermodynamics question, need help
  2216. Stoichiometry of gasoline
  2217. Electrolysis of water
  2218. Electrolysis of water 2
  2219. AP Chemistry
  2220. Chemical bonding, is this book good?
  2221. Making Buffer Solutions
  2222. why reactive metal form stable compound?
  2223. Need of information about a hydrogen oxygen fuel cell
  2224. Vapor pressure of Thallium Iodide.
  2225. sugar vs. aspartame test
  2226. Vulcanizing soybean oil
  2227. Packaging seals
  2228. electronegativity and dipole moments
  2229. alchemy
  2230. BORAZINE question HELP please!!!!!
  2231. Buffers.
  2232. Another Iron Oxide question
  2233. Testing which vitamins work best?
  2234. Spectroscopy
  2235. Coolest chemistry at-home experiments
  2236. I feel like everyone is at the organic party but me :(
  2237. Specific Heat capacity of solid NaOH?
  2238. Extraction
  2239. Predicting when a liquid flow will break into droplets
  2240. vapor pressure question
  2241. Calorimetry HELP!!
  2242. What are some good books/websites for Analytical Chemistry?
  2243. Equilibrium Constant Expression
  2244. General Chemistry for Beginners
  2245. Name of Apparatus to use?
  2246. brine electrolysis: question
  2247. Using Common properties of Solids in Life
  2248. Oxidation
  2249. Nobel Prize in Chemistry 2007
  2250. Analytical Marathon?!!
  2251. molarity-density relation
  2252. pH, Buffers, and Dilution question
  2253. Chemistry Extended Essay
  2254. physical chemistry
  2255. New, and need help with gas to liquid chemical
  2256. Physics of Energy Drinks
  2257. The quadratic formula and equilibrium problems
  2258. abundance of isotopes
  2259. ions
  2260. Glow sticks
  2261. Dpph
  2262. Question about washing product
  2263. [SOLVED] Clothes and chemicals don't mix
  2264. problem with atomic spectometry
  2265. How to Excel Analytical Chemistry
  2266. Suggestions Needed!
  2267. Chemistry
  2268. [SOLVED] Acid/Base Theory
  2269. synthetic substance
  2270. [SOLVED] magnesium and acid rates reactions
  2271. My cleaning solution changes color when I distill it
  2272. [SOLVED] Mircoscale techniques
  2273. sodium acetate
  2274. Metal Colors?
  2275. Molecularity question
  2276. Salt Bridges in Voltaic Cells
  2277. Free Energy of Reaction
  2278. Help!!
  2279. Strontium Chloride + Copper (II) Sulphate Pentahydrate --> ?
  2280. VLE DATA FOR hydrogen sulfide N diethanolamine
  2281. equilibrium partial pressures
  2282. How to picture orbitals?
  2283. [SOLVED] Carbon Nanotubes
  2284. Concentration of ammonia in a solution
  2285. REDOX titration of bleach help!
  2286. Refractive index data base needed
  2287. Representing Chiral cyclohexane on a chair conformation
  2288. mass rate transfer
  2289. [SOLVED] Chiral Purity (enantiomer excess) for HPLC
  2290. Seemingly simple question.
  2291. Chemical Equilibrium Characteristics
  2292. Equilibrium Position - Effect of Dilution
  2293. How to Find E°cell Values
  2294. [SOLVED] 1,5-pentanediol vs 1,4-butanediol cost
  2295. [SOLVED] Cyclopentane to Cyclohexane
  2296. [SOLVED] Electron Configuration
  2297. Formaldehyde and boiling points
  2298. [SOLVED] Physical chemistry problem
  2299. [SOLVED] Quickie; what reaction
  2300. Dealing with saturated solution(ish)
  2301. Combustion, or not Combustion?
  2302. identification of group 2 metal salts
  2303. Delta Heat of Formation
  2304. Cavity Microelectrodes
  2305. bis-(dimethylglyoxime-nickel (II))
  2306. pH problem weak acid and weak base
  2307. Free Energy of Dilution
  2308. [SOLVED] Removing Pb from water
  2309. The simple question
  2310. Chemistry - Common Ion Effect
  2311. What major of Chemistry is dealing with toxic?
  2312. Loved General Chem, but not so much Organic ... what's next?
  2313. Production of artificial radioisotopes
  2314. Question: Adding Strong Acid to Buffer
  2315. physical chemistry textbook without a lot of calculus
  2316. Why do strong oxidizers and hydroxide not react with each other?
  2317. Effect of aqua regia on P, S, C and Si?
  2318. [SOLVED] Is it the protons or electrons that are responsible for an element's propert
  2319. Inhibition of ATP Synthase
  2320. looking for a lab
  2321. reducing iron in water
  2322. safely storing sulfuric acid
  2323. Question on Egg
  2324. Effect of accel/velocity on chemical reactions
  2325. Recomend a good chemistry text
  2326. Equilibrium in a closed pop bottle
  2327. intramolecular cyclization of triflate/aniline
  2328. Solubility of compound in solutions other than Water
  2329. Ise
  2330. Lab preperation of Ammonium ferric citrate
  2331. Centrifuge question
  2332. Chlorfoam
  2333. How much oxalate?
  2334. Instrumentation & calibration curve related
  2335. Bases
  2336. detect/check flexible/rotatable bonds
  2337. 3 inch iron long
  2338. When does dissolving occur?
  2339. Good computer for running electronic structure calculations?
  2340. Phosphorous in soil
  2341. Explanation for "hydrophobic"?
  2342. are the ions at the edge of an ionic crystal complete spheres?
  2343. van der Waals' forces
  2344. ammonium hydroxide Percent to normality conversion
  2345. A question on PLANT EXTRACTIONS.
  2346. Spectrometry-SiO2-need help
  2347. question on C13 NMR...
  2348. Extraction of ethanol
  2349. conversion
  2350. periodic table in another planet
  2351. Experiment outline on Tap Water vs Bottled Water
  2352. Doing a presentation. Need some pointers.
  2353. silicon-oxygen tetrahedron
  2354. Titration method to determine HCl concentration in a mixture
  2355. alcoholic question
  2356. ASA Titration
  2357. Should I write my will now? Going to use 1.5 moles of t-buLi tomorrow.
  2358. Hess's Law
  2359. Aspirin
  2360. Airbags!
  2361. A practical reaction?
  2362. Structure of Atom 117 & 119
  2363. Freezing point depression
  2364. electrochemical current
  2365. chemistry on Mars, living or not?
  2366. Gas Chromatography
  2367. A good chemistry book
  2368. elements
  2369. [SOLVED] explosives in a vacuum
  2370. hot water can cool faster than cold
  2371. concentration of synthesized nanoparticles
  2372. molecule fo gasoline
  2373. Octane Numbers
  2374. Enzyme Thermodynamic/Kinetics Question
  2375. calibration of a thermometer naphthalene
  2376. Temperature definition
  2377. chemical equilibria
  2378. Calorimetry
  2379. Neutralization
  2380. Reaction with AgNO3-What happened?
  2381. Why Gold is more dense than lead?
  2382. Oxidation of Borneol
  2383. ultrasonic processor
  2384. Why is dichloromethane a good organic solvent?
  2385. Diesel fuel
  2386. Acidic Water Molecules
  2387. lithium battery question
  2388. Stupid Question about Hetero/Homogeneous mixtures
  2389. Would the universe rotate plane polarized light?
  2390. Diamond compounds
  2391. Why does toilet roll absorb water?
  2392. Water stains bath tub blue
  2393. Hydrogen as an additive to diesel fuel?
  2394. increasing acidity n basicity
  2395. Car battery terminal corrosion
  2396. Lemon Battery Issues
  2397. Sodium Metabisulfite in SO2 production
  2398. Advice on Setup to React Natural Resin Esters
  2399. Inductive effect
  2400. Heat of Solution?
  2401. Water Vs Ice (Properties)
  2402. Titan full of Hydrocarbons?
  2403. Does anyone have a Blackwell Synergy account? Need a .pdf doc
  2404. Does NaCl dissolve in HCl?
  2405. Can an IPOD be recharged using electrolytes?
  2406. Salty versus Saline
  2407. [SOLVED] Sodium monohydrogen phosphate
  2408. hydrates
  2409. Kitchen Chemistry
  2410. Solubility
  2411. Citric acid
  2412. Spontaneity
  2413. Half-Life of Chromium Picolinate
  2414. Linus Pauling's book
  2415. CA Glues
  2416. Writing symbols
  2417. Instant Heat Packs
  2418. Salts and ionic compounds
  2419. Melting metal
  2420. Need assistance
  2421. How could i dissolve iron powder
  2422. Weird Reaction..?
  2423. Program for chemical model and formula
  2424. Organic chem q on breathalyzer
  2425. Bring your innovative mind here
  2426. frost physics
  2427. Pretty basic chem/density problem: finding density of irregular shaped soluble solid
  2428. Does temperature decrease
  2429. Acid/base solubility
  2430. Acid + Alcohol
  2431. Alcohols and ethers
  2432. Organic element symbol "R"
  2433. Ibuprofen equation?
  2434. Essay on the Lithium ion battery
  2435. Which ∆H should I be using in my chemical equation? In my potential energy diagram?
  2436. Ideal gas probs
  2437. simple aid to Brita filter for declorinating tap water.
  2438. mineral and their composition
  2439. AWESOME hydrogenation reactor
  2440. How batteries affect soil? Emergency
  2441. Zinc and Hydrochloric Acid
  2442. bleach and vinegar
  2443. Determination of Equilibrium Constant
  2444. organic spectroscopy
  2445. Effects of heating up different fat acids
  2446. dissolving sodium carbonate
  2447. Chemoluminesent or phosopholumesent rxn
  2448. thiolation
  2449. Helium Source in HPLC
  2450. Activity and concentration
  2451. redox tutorials
  2452. Decay/Reactivity of DMSO and MSM
  2453. Looking for a particular intro book on common molecules
  2454. How can you make ice "sink"?
  2455. Difference in simple and fractional distillation
  2456. Temperature & Humidity
  2457. need halpe plz
  2458. Caustic(Sodium Hydroxide) corrosion problem
  2459. Methane from Carbon Dioxide and Hydrogen
  2460. molecular level
  2461. If a reaction is not spontaneous is there any of making that reaction occur?
  2462. Oil & Water - the horrible mix
  2463. Can we predict a complex molecule's shape?
  2464. keto-enol content
  2465. Qc of two step sequence
  2466. Cat urine in pool chemical room
  2467. labelling crucibles
  2468. 100% ethanol ??
  2469. Why does oil stick to steel better than water?
  2470. Chemical Binding Energy
  2471. Sources of iron in the house and fire question
  2472. self heating drinks
  2473. Etching Glass using Alkalis
  2474. Barking dog reaction?
  2475. Anilinium hydrochloride intermediate formation
  2476. where can i find best book
  2477. NMR: Methyl proton coupling?
  2478. sulphur trioxide
  2479. quick valence question
  2480. short & simple viscosity question
  2481. Hardness vs. Weight
  2482. metallic hydrogen
  2483. carbonated drinks
  2484. A/B Extraction Theory
  2485. determining charges of elements...
  2486. Why didn't my triple point experiment work?
  2487. Oxidizing power of potassium chlorate vs. nitrate
  2488. Mass Spectrometer Question
  2489. LCD twisted nematic molecules
  2490. Organic Chem Syntheses
  2491. relationship between surface tension and the shape of a liquid drop
  2492. Ammonia and polycarbonate reaction
  2493. Separating oxygen from air
  2494. An interesting Contest!!
  2495. Hard Contact Lenses
  2496. i need information about ice calorimeter plz help me.
  2497. Temperature changes and heat
  2498. below zero Kalvin
  2499. Water detection stickers on cell phones?
  2500. I don't understand "per cm"
  2501. Atomic Emission Spectra
  2502. chemical cleaner design
  2503. Heat Treatments on Gems
  2504. Humidity of non-H20 chemicals
  2505. Modification of Riemer Tieman reaction
  2506. Monoprotic Acid
  2507. Why H2O2 and Not H20??
  2508. pH of Store bought Vinegar
  2509. electrochemistry:battery
  2510. Natural vs Un-natural
  2511. Electrochemistry: Stability test of reference electrode
  2512. Rust on Surgical Forceps
  2513. Where do 35S and 32P come from?
  2514. Why don't lakes freeze solid?
  2515. Why is the dehydration synthesis also called a condensation reaction?
  2516. pKa values for weak/strong bases
  2517. There is no conservation law for acids/bases, right?
  2518. Biochemical Organic Machine
  2519. Crystal Babies
  2520. Producing hydrogen using electrolysis while avoiding chlorine poisoning
  2521. Does the smell of a substance diminish wrt time?
  2522. Oxidation proof metal mesh?
  2523. charge carrier concentration measurements in working electrode
  2524. How do I determine volume of salt water mixture before mixing?
  2525. Synthesis and toxicity of hydrazine
  2526. Can you make this addititive from common (perhaps household) materials?
  2527. Mass Spectrometry results question
  2528. Creating high-contrast optical mask?
  2529. Dissolving the powders in tea bags
  2530. Ethlyne glycol question
  2531. Would benzene be able to conduct electricity?
  2532. What is the meaning of chemical energy, in terms of first principles?
  2533. Radium
  2534. How to make a lead-dioxide cathode?
  2535. Raman Microscopy - simple question
  2536. Fluid properties of a diesel exhaust
  2537. CDCl3 for NMR
  2538. Finding molecular formula from volume of products
  2539. Nitrous Oxide thermal decomposition
  2540. Electrolysis mystery
  2541. Chemical Etching of Iron and Gold
  2542. Crest White Strips
  2543. Should Toluene be clear or cloudy white?
  2544. Are hydrocarbons miscible?
  2545. a question of protein subunit symmetry and normal coordinate analysis
  2546. NCl3 (Nitrogen-TriChloride), a new fuel?
  2547. Lead-acid batteries
  2548. i need big good reference wiht pucter
  2549. recipe for preparing electrolyte
  2550. Electrolysis of water 3
  2551. Protein folding
  2552. looking for a long life burner
  2553. Electroporating in Antiquity
  2554. mysterious hydrogen
  2555. Data from a digital polarimeter?
  2556. Raman spectroscopy of protein plz help
  2557. It Matters?
  2558. Cross-linking Polyvinyl Alcohol
  2559. BTU Q's about burning water vs. burning gassoline...
  2560. Rechargable batteries
  2561. Making Hydrogen
  2562. H&E (hematoxylin and eosin) stains
  2563. copper (I) oxide
  2564. transition metals
  2565. Virtual colors for atom representation?
  2566. Help With Copper?
  2567. Energy
  2568. volatile constituents analysis
  2569. New catalyst may impact energy storage (MIT, electrolysis)
  2570. Why are London dispersion forces attractive?
  2571. How solubility of oil in water is effected by temperature?
  2572. How to dilute Light Paraffin /White/ Mineral Oil
  2573. Quick Q - what readily-available metals won't corrode in electrolysis?
  2574. exploding water?
  2575. Propane burns invisibly
  2576. symmetry, absorbtion and benzene
  2577. how to measure formaldehyde?
  2578. chemicals for rocket fuel and superchemicals?
  2579. corrosion
  2580. Trying to contain hydrogen
  2581. looking for vintage periodic table
  2582. Criminology - Stainer
  2583. Energey Density of Carbon Monoxide
  2584. Electrolysis of water - Bubble control
  2585. meterials with high heat resistance
  2586. UV degration of polymers?
  2587. Exothermic Reactions
  2588. Reaction Feasibility
  2589. Chemistry Research Idea
  2590. Calculating Partial Pressures: Proving Dalton's Law
  2591. Silicone super ball
  2592. PbO2 by electrolysis
  2593. Is NO ferroelectric?
  2594. I want to calculate degree of saturation of a brine with SG and temp known
  2595. Solvent and UV/V spec
  2596. Predicting absolute configuration of molecules
  2597. Hydrochloric acid as 7th highest searched topic on Yahoo
  2598. Conway microdiffusion analysis
  2599. Gases
  2600. signal/noise in Raman spec
  2601. Is bitumen a polymer
  2602. Syntetic opal
  2603. Hybridization Websites
  2604. Helium question?
  2605. Non Linear Optical materials
  2606. Why is water not flammable?
  2607. Solvent insoluble in THF
  2608. Ziegler-Natta polymerization of ethylene
  2609. pressure chamber for reactions
  2610. Nobel prize in Chemistry
  2611. Bacteria vs. Acids
  2612. Combining H2 with 0
  2613. measuring the concentration of dye
  2614. information on diamine complexes [hg(nh3)2]cl2
  2615. expirements used to find avagadro's number and molecular dimensions
  2616. Problem with fluorescence reader during enzyme study
  2617. Strenth of 1 Molar Sulfuric Acid Solution
  2618. Electrolyte + electrolysis efficiency
  2619. Vapour Pressure| Boiling| Atmospheric P
  2620. pH based on raw chemistry
  2621. Difference between bond length and lattice constant
  2622. Half an amu?
  2623. Electrolysis and PEMs
  2624. Biodiesel
  2625. A Compilation of action of various reducing and oxidising agents in organic chemistry
  2626. Chemical Vendors in the US?
  2627. quick question on separation
  2628. used engine oil
  2629. Accurate, Complete Periodic Table
  2630. Making Fe3O4/Magnetite
  2631. thermochemical reactions
  2632. Whats the chemichal composition of oak wood?
  2633. Analysis usung GC equipment
  2634. Most Chemistry is Biochemistry?
  2635. ANALYTICAL or PCHEM first?
  2636. How to find the isotopic mass ??
  2637. molar volume conversions
  2638. hydrochloric acid
  2639. Simple question
  2640. C60 Triple Point?
  2641. What is the difference between biochemistry and organic chemistry?
  2642. what is anthracene solution
  2643. Candyshop odour
  2644. Alpha Lipoic Acid polymerization question
  2645. Molecular Shape Class
  2646. Cyclotron and Chemistry
  2647. Cyanide ion and M.O
  2648. combustion catalysts
  2649. Freezing Point Depression
  2650. Liquids as insulators
  2651. Curious Student
  2652. Gas Chromatagraph
  2653. H2O2 in H20, Stability
  2654. Rocket fuel
  2655. Chemical Resistance of Polyethylene
  2656. Free Chlorine in tap water - why is it a concern for gardeners?
  2657. distillation lab
  2658. Accurate definitions
  2659. Where do you buy pottasium iodine, not the kind that you eat
  2660. Enthalpy
  2661. Hydrogen to Steam
  2662. do all terandary ionic compoiunds have oxygen?
  2663. how to learn chemistry?
  2664. Jet Fire Calculations
  2665. Ion Exchange of NaCl from H2O
  2666. Hartree-Fock Method vs. Configuration Interaction (Quantum Chemistry)
  2667. Water Vs. Salt water
  2668. remove printer ink one colour paper witout demge paper
  2669. How long to boil?
  2670. Deoxidizing Fe in an Iron rich crystal...
  2671. Is this a feasible experiment?!?!?
  2672. Can activation energy be zero?
  2673. Biochemical Reaction Catalysing Solar Trap
  2674. DCM+Methanol+10% Pd on Carbon generates HCl?
  2675. acid etching?
  2676. Distilling 3% Grade Hydrogen Peroxide.
  2677. Covalent Bonding and Bonding Order
  2678. Crystallization of Benzoic Acid
  2679. Control of pH in acidic range by thermal degradation
  2680. Magnesocene (MgCp2) C10H10Mg
  2681. 1H NMR spectroscopy
  2682. separation of phosphates, nitrates and nitrites
  2683. separation of sediments from alluvial minerals.
  2684. Can I mix these 3 chemicals together??
  2685. Just cant grasp the concept of redox rxns
  2686. Solid vs liquid benzoic acid
  2687. Hydrophobic molecules
  2688. Uranium Chemistry - Enthalpy of Formation
  2689. Adding salt to ice question
  2690. Question that I was looking up on Google
  2691. Resources for visual learners
  2692. Chemistry and Mathematics
  2693. How did the chemists in the early days...
  2694. Measuring CO2 concentrations
  2695. Need help!! How to make Hydrogen peroxide ''H2O2'' ?
  2696. What wax is this?
  2697. TLC: Standard
  2698. testing wood for lead
  2699. Thermal Expansion of Solvent Mixture question
  2700. Botulinum Toxin
  2701. calculating the heat of vaporization of chloroform [thermochemistry]
  2702. Alcohol reaction in body
  2703. Mathematical Models for Equilibrium Simulation
  2704. calculating work in a one-step expansion/compression
  2705. cAMP as second messenger in GPCR signal transduction
  2706. Calculating Pressure
  2707. Determining Acid/Base Strength and Ionization
  2708. Experiment
  2709. Do proteins denaturate at 10°C?
  2710. Sodium Acetate pH?
  2711. Lead Dioxide Anode
  2712. Reaction between Nitric Acid & Oxides of Titanium
  2713. Please be careful in the lab
  2714. Electrolysis of Iron Oxide
  2715. Soap Vs Shampoo.
  2716. Hexagonal ice??
  2717. Unexpected chromogenic reaction of acetic anhydride/DMAP/DMF -> coffee brown color?!
  2718. Enthalpy and chemical energy
  2719. Can sunlight be turned into other things besides energy.
  2720. NaIO4
  2721. Why does aluminum react exothermically with palladium?
  2722. best conc for an emusifier-methocel K15M)
  2723. 2,4-dinitrophenyl thiocyanate
  2724. Should cadmium sulfate affect the pH of my buffer?
  2725. Why filter a Nearly Saturated Solution of Ca(OH)2
  2726. An innocent question. Do not smile!
  2727. Should I take Organic Chem?
  2728. anyone give me some chemical experiments
  2729. Semipermeable membrane for gases?
  2730. How to make NaOh
  2731. Calixarenes-Solubility of calixarenes
  2732. Is it possible to ionize a molecule?
  2733. No Such Neutralization?
  2734. Metallurgy
  2735. Help me, solvent for my compound
  2736. neutralize chlorine in hot tub
  2737. how to draw tetrahedral ice structure?
  2738. Antibonding question
  2739. Solution with high specific heat.
  2740. Ideal gas law in two dimensions?
  2741. HELP........anyone know how to make dilatant?
  2742. what is Hydrochloric Acid+marble chips symbol equation
  2743. Hydrogen Power
  2744. Cold Fusion: US Navy makes breakthrough?
  2745. AgNO3 + NH3?
  2746. burning nitrogen
  2747. Azeotropic distillation
  2748. Boiling points?
  2749. Biochemistry courses
  2750. help with chem
  2751. determination of iron by redox titration
  2752. Depression of melting points
  2753. Redox Titration Help [Calculations]
  2754. Effect of specific heat of a substance on the rate of heat flow
  2755. C-H bonds. Polar or non-polar?
  2756. Organic Chemistry over the Summer
  2757. viscosity of two different liquids
  2758. Rocket Fuel in baby food
  2759. Energy released in chemical reactions
  2760. Why is there a change in trend for pKb for n-butylamine?
  2761. non-marking shoes
  2762. Fuel Cell Voltage Calculation
  2763. fire+water = ?
  2764. At which pH does your skin burn?
  2765. looking for teacher
  2766. chemical formula
  2767. Cooking saltpeter+sugar rocket fuel?
  2768. Aqueous solutions and whether they are acidic/basic/neutral
  2769. Extraction equipment
  2770. advice on making charcoal
  2771. Is there any chance of discovering more isotopes of Iron?!
  2772. Boiling Points
  2773. Petri dish assistance
  2774. Zwitterions
  2775. Evaporation of organic solvent and leftover residue
  2776. Calculating toxicant concentration
  2777. Filtration and choice of solvent
  2778. electrophoretic mobility of sodium and chloride ions?
  2779. Trying to settle an arguement...
  2780. inorganic chemistry - very general confusion
  2781. Low-spin versus high-spin
  2782. periodic table trends
  2783. Determining if solvent layer has water.
  2784. Reaction of Calcium Carbonate in Water with Hydrochloric Acid
  2785. Water / alkanes "mix"
  2786. Ethanol to butanol?
  2787. Why does the MO theory cause lone pairs to bond?
  2788. A quick question about Butane as a solvent?
  2789. Is water blue?
  2790. can we make water??
  2791. Atoms,orbits and my problem
  2792. Non flammables & conductivity
  2793. I am a little confused by a catalytic reaction
  2794. Spectroscopy
  2795. Smoking Compound
  2796. IR spectra and point group symmetry
  2797. how do you make synthetic opal?
  2798. Hydrogen fuel is here?
  2799. How to dissolve Sapphire?
  2800. milk!
  2801. Vibrating molecules?
  2802. Spectroscopic
  2803. Chemist shows how RNA spontaneously assembles
  2804. -ene Nomenclature (semi-structural formulas)
  2805. Effect of reaoly strong magnetic field on chemical reaction
  2806. please help me with this problem
  2807. Creating a buffer solution
  2808. gibbs energy of formation and electrolysis efficiency
  2809. I need help with an experiament......
  2810. Measyrement of Conductivity and Dielectric constant
  2811. How amu is equal to Molar Mass ..... Must S33
  2812. What are the Interesting things I can include to my (Atomic Theaory) Presentation?
  2813. Relaxation and retardation time for polymeric liquids
  2814. Transition series influence in RMN spectra
  2815. How can we predict the geometry of a coordination compound?
  2816. magnetic water? and a question or 2 about ions
  2817. Speeding up the electrodeposition of copper
  2818. Redox question
  2819. phase rule
  2820. more rust in less salt??
  2821. PEMFC and Proton Conductors
  2822. rust in test-tubes of HCl FeO or Fe3O4??
  2823. Making a metal based anti-freeze
  2824. Can pressure stop a reaction?
  2825. polar and non polar compounds
  2826. Biotic and abiotic compounds
  2827. Reduction of powdered rust by electrolysis
  2828. Fire Magic
  2829. corrosion of pipe
  2830. Can someone tell me what the HD+ ion is?
  2831. Making H2O2
  2832. Gas vs Vapour
  2833. are there any cool chemical reactions i can do in my own home?
  2834. Gaussview 3.0 Help!
  2835. Intro to Chemistry
  2836. Half Reaction Method
  2837. IR spectroscopy - HATR
  2838. I need help ( not homework)
  2839. Why is cooling considered to slow reactions?
  2840. Silicon Chemistry
  2841. disable the effect of HCl on the PH of solution?
  2842. Reaction between Aluminum Sulfide and Bleach?
  2843. What is the difference between these systems of mass
  2844. Organic and inorganic mercury
  2845. When doesn't redox occur?
  2846. Vapor of a volatile substance in equilibrium with a fluid
  2847. Beaker ?
  2848. Sodium silicate ?
  2849. Practicing Structural Drawings
  2850. Conversion of microMolar DOC to ppm
  2851. Understanding Lone Pairs & Orbitals
  2852. How to find the Atomic Structure of a Constituent
  2853. Ksp equation..
  2854. Production of Hydrogen
  2855. If direct current is applied to activated carbon, will it be drawn to the cathode?
  2856. Will carbon powder dissolve (ionize) in sulfamic acid? If so, what ionic state?
  2857. Octet Rule
  2858. Understanding Bonding
  2859. Why are intermolecular HCl molecules among them not considered hydrogen bonds?
  2860. pseudo and pro chiral carbon
  2861. fire !
  2862. Anyone have a science lab in their home?
  2863. Does all alcohol undergo halogenation and controlled oxidation?
  2864. magnesium test
  2865. Scale Chemistry Analysis
  2866. Quick question on moles
  2867. chemiluminescence questions
  2868. Determining how compounds react
  2869. Pressure Relation to State
  2870. Why does smoked meat work?
  2871. What is Arrhenius behavior?
  2872. Queries Related to Bond Polarity
  2873. Valid Resonance Structure?
  2874. What's the sp orbital of this carbon?
  2875. SP Carbon Orbitals
  2876. IR Spectroscopy help
  2877. Heat Absorbing material
  2878. Spin Quantum Number
  2879. Mixture Ratio for oxygen/propane in a rocket engine?
  2880. Wax that doesn't stick to hair
  2881. Supercooling of water-what's going on?
  2882. Polybutene (Isobutylene/butene copolymer) 100% by wt.
  2883. Chloramination and detecting chloramine with a total chlorine test.
  2884. Electroanalytical Chemistry HELP
  2885. Help with a peakfitting software
  2886. mixing bleach/disinfectants with glycerine
  2887. nuclear reactions
  2888. temperature . coefficient
  2889. Carbon electrons
  2890. What will happen if CuSO4 is taken as electrolyte.Zn & Cu are two electrodes.??
  2891. realy question abuot chamistry
  2892. Why does coupling intensity in H-NMR correspond to Pascal's triangle?
  2893. lead nitrate????
  2894. Speculative Biochemistry: Because Earth is just one planet.
  2895. chemical kinetics
  2896. Methane as a fuel source
  2897. Help:Install Ochem for latex in Windows platform.???
  2898. chemistry experiments
  2899. How are smells created?
  2900. Measuring degradation/decomposition
  2901. Help with a Chemistry Problem Please!
  2902. What is the best intro book for Chemistry
  2903. Q. about the Cossee-Arlman mechanism in alkene polymerization
  2904. Kinetic gas equation
  2905. Dielectric Strength Of Liquids: looking for data
  2906. CO2 vapour pressure passed critical temperature
  2907. h2o o2 energy
  2908. Lattice Diffusion : Techniques & Procedure...
  2909. Organic Chemistry - why not just three 2p orbitals in ethene?
  2910. Na2CO3 solution
  2911. organic reactions
  2912. entropy and osmosis
  2913. CFC, HCFC, whats next
  2914. oxygen/cargon monoxide when burning
  2915. Gibbs Energy and Equilibrium Constant
  2916. water molecule dipole moment
  2917. Outgassing rate
  2918. Glue
  2919. Why deprotonated?
  2920. A question about life
  2921. ACS Meeting in San Francisco
  2922. Element abundance on earth's crust
  2923. The limitations of RP-HPLC
  2924. Isotopic symbols
  2925. Titanium Dioxide Reactivity
  2926. difference between Valence bond theory and molecular orbital theory?
  2927. Urine & Bleach = red colour?
  2928. which structure is correct according to its name?
  2929. O-H Bonding (and ion dissociation)
  2930. Why are metals more dense than non-metals?
  2931. Covalent Bonding
  2932. Help me understand what resonance is..
  2933. question on IR spectroscopy
  2934. NMR problems
  2935. Increasing vapor pressure in water
  2936. Termodynamics, Rubner concept & biology
  2937. Energy vs. Enthalpy
  2938. Element 112 is - Copernicium!
  2939. K value
  2940. Dilution Question
  2941. Organic Chemistry
  2942. Km and Vmax dependence on enzyme concentration
  2943. Some Basic Line Spectrum and Chemistry Questions I Have
  2944. Mole ratios
  2945. chemical to cut headlight oxidation?
  2946. D and L stereoisomers
  2947. Significant Figures
  2948. raising pH in Saltwater
  2949. How do you find out formulas?!
  2950. A question regarding oxidation numbers
  2951. home test for lead
  2952. Organic Chemistry - Resonance
  2953. Organic Chemistry(functional group)
  2954. Compounds(covalent+ionic)
  2955. Calculate the frequency, in hertz (level n = 10 to level n = 5)
  2956. Un-ideal Gas Equation!
  2957. Good websites for identifying chemical names and formulas?
  2958. heat of fusion
  2959. Reaction rate
  2960. Size of Metal Carbonyls
  2961. Aldehydes
  2962. 2 quick easy questions
  2963. Help with chemistry question????
  2964. Thermite Chemical Composition
  2965. Why is Ozone so high in the atmosphere?
  2966. What is the hybridization of C in R - N=C=O
  2967. Please help me explain this observation...
  2968. Buffer solutions
  2969. extraction of heavy metal from soil
  2970. Activation energy of Silicon Dioxide thermite reaction?
  2971. Solid State Heavy Water
  2972. H2O Formation
  2973. Oxidation of alcohol
  2974. Constant C in Vapor Pressure Equation
  2975. Concentration Problem
  2976. Do electron attract proton, or proton attract electron?
  2977. Science Fair Project.
  2978. London Forces, current, and boiling and melting points
  2979. Preparing solutions
  2980. general chemistry exercises online?
  2981. need urgent information
  2982. Preventing Oxidation of Gallium in Metal Alloy
  2983. magnesium reacting in monoprotic strong acid
  2984. Tin foil
  2985. PNA-DNA Stability
  2986. DI water vs regular water?
  2987. nucleophilic acyl substitution and basicity of groups
  2988. Chemical that kills odors?
  2989. question on VO(acac)-piperidine
  2990. Choose those statements that are true for the most stable resonance structure...
  2991. bond enthalpy of N=O
  2992. The electron configurations of the group B elements
  2993. Nobel prize in Chemistry 2009
  2994. Why chemistry is so difficult ?
  2995. Vapour pressures of Propanal and propanoic acid
  2996. HCl + Mg = decrease in pH? Why?
  2997. Silver nitrate precipitation
  2998. Chemical Amount??
  2999. Glass Etching
  3000. Measuring sensor sensitivity
  3001. Why do ions replace other ions
  3002. Entropy Decrease in a System
  3003. Equation Balancing
  3004. The molecular geometry of ClF3
  3005. Matching Glass-Forming Ability with the Density of the Amorphous Phase
  3006. Is my calculation ok? - clausius clapeyron eq.
  3007. Why is the atomic radius of Boron smaller than that of Be?
  3008. attempting to retrieve painted image from rusted galvanized sign
  3009. On Arrhenius plots in cyclic voltammetry
  3010. Electron/Proton Attraction
  3011. melting entropy
  3012. Mole = Avogadro's number?
  3013. Hund's Rule
  3014. Coolant gas.
  3015. Some questions about naming conventions for ethers
  3016. Ortho Disubstituted Benzene
  3017. Super stuck on Titration problem
  3018. Can the Brain Take In New Information when Asleep?
  3019. Weak acid - Weak base Buffer
  3020. What is meant by the Pka value of a side chain in an amino acid?
  3021. Why does imidazolium ring contain a positive charge?
  3022. Group I Metal Activity
  3023. NMR spectrum
  3024. Wondering about hydrogen peroxide...
  3025. Trouble Identifying this Organic Unknown
  3026. CaSi
  3027. Precipitation of Ag+ and S2-
  3028. Polyvinylidene Fluoride (PVDF)
  3029. Fe3+ and oxygen bonding
  3030. prepare a 100mg/ml solution of glacial acetic acid in methanol
  3031. Osmotic Pressure = Osmotic Power
  3032. Saponification
  3033. Need help finding a gas or liquid that absorbs IR and allows visible.
  3034. Amino acid with acyl chloride
  3035. Nucleophilicity and basicity
  3036. boiling point
  3037. H-bonding
  3038. Be no gas?
  3039. dextorotory or levorotory
  3040. Is Muscle Memory tied to Mirror Neurons?
  3041. AsI3 - ionic / covalent?
  3042. Sodium thiosulfate
  3043. Redox rxns
  3044. Hess's Law
  3045. Ochem: flame test; soluble in H2SO4
  3046. Potassium Phoshate and Acetic Acid
  3047. valency and oxidation state in PbTiO3
  3048. electrons entering the area Atom's nucleus
  3049. Calculating apparent density of a solid
  3050. Is the oxidization of a substance ever exothermic?
  3051. Black smoke..
  3052. Definition of Aromatic Compounds
  3053. Glow in the Dark Compounds
  3054. Activated form of a molecule
  3055. What is the correct manner of studying inorganic chemistry????
  3056. σH adducts
  3057. Calculate %assay
  3058. 1H NMR & IR : unknown structure determination
  3059. electronegativity difference NaH
  3060. Gas that turn into liquid have a boiling point?
  3061. Urgent help needed for question on electrolysis & comparing Eo values
  3062. How do they melt carbon?
  3063. Structure of Dinitroacetylene
  3064. Concentrating Household Ammonia
  3065. Why only opposite spin electrons in an orbital ?
  3066. Question, whats the best chemistry software for a college student?
  3067. depolymerization of HDPE
  3068. Zinc Oxide reduction
  3069. help me please !!!!
  3070. Materials that bond with Calcium Fluoride?
  3071. Stoichiometry Professions
  3072. Phosphate buffer calculation help
  3073. Silver drove me crazy
  3074. Electron Screening
  3075. DIY paraffin wax log for fire.
  3076. Chemical reactions to silver?
  3077. Relationship Between Solubility and Reactivity
  3078. Production of Ammonia from Nitrogen Oxides
  3079. Shifts
  3080. Biochemical testing array
  3081. Losing my mind over Stoichiometry!
  3082. Why are monolayers so important?
  3083. Water Vapor's molecular mass
  3084. Is nitrogen narcosis a type of HPNS
  3085. converting tyre waste rubber into more flexible material
  3086. salt or ester?
  3087. Few questions about aldehydes and ketones?
  3088. pH in solutions
  3089. Molarity and Rate Law
  3090. kinetics and surface chemistry
  3091. Osmotic pressure
  3092. Spin in Unpaired Electrons
  3093. chem_drawing_problem
  3094. Electrolysis in pure water
  3095. Curiosity kills, I guess...
  3096. Na2CO3 + Ca(OH)2 + Heat + Water = NaOH + CaCO3 + ???
  3097. What will be the % of Enol form of this compound?
  3098. Solid solution phase diagram.
  3099. Time Interval for measuring Rate of Reaction
  3100. Fuel cells
  3101. shielding effect
  3102. What is the pH after adding a base?
  3103. Calorimetery Problem. :( It's not a homework but I can't get the answer.
  3104. What is the name of this pipette?
  3105. Affect of adjacent amino acids on pKa values
  3106. antibonding orbitals
  3107. Aspirin
  3108. why oxygen, cannot act as a pi-donor while NO can?
  3109. Rate Laws
  3110. About pH, Metallic electrodes
  3111. Paint Technology
  3112. a question in Lewis structure???
  3113. Putting every element in a box
  3114. preparation of acetanilide
  3115. limiting reagent
  3116. MO diagram of NO
  3117. General formula for Calcium carbonate
  3118. How to distinguish Isopropanol?
  3119. pH of saturated solution of CaCO3
  3120. Expansion of Nitrogen
  3121. Help Please
  3122. biuret reagent question
  3123. Electron count in transition metal complex
  3124. Hydrogen/Hydroxide Ions
  3125. Why does CO generally not bind to a metal that is not a transition metal?
  3126. Quick Back-Donation Question
  3127. How would one judge whether a secondary carbon would react via SN1 or SN2? (Or both?)
  3128. Impact resistance of polycarbonate
  3129. When does a SN1 reaction only yield one enantiomer, and not a racemic mixture?
  3130. thermodynamic
  3131. Lowing boiling point of water
  3132. Does anyone know the ionic radius of hydride(anion of hydrogen)?
  3133. What is it called?
  3134. pH sulfuric acid by volume
  3135. Osmosis experiment
  3136. Robbery through chemistry?
  3137. Question about group 16 elements?
  3138. Fractional distillation
  3139. Homemade X-Aerogel
  3140. Is it Carbon
  3141. Finding a chemistry book...
  3142. Mole Concept
  3143. Why do lone pair electrons repel each other more strongly ?
  3144. Organic Chem Question
  3145. Dihydrogen Trioxide (H2O3)
  3146. Standard heats of formation (enthalphy, free energy)
  3147. Relative Atomic Radii (Atoms and Ions)
  3148. Concenctration of a mass
  3149. What makes a Molecule Polar? Dipole?
  3150. Silver Compounds
  3151. Amazon selling Uranium ore? Isn't that illegal?
  3152. Mixing heat in molecular solid solutions
  3153. Why is water a good conductor of electricity?
  3154. Burning Hydrogen Question
  3155. trouble understanding orbital hybridization
  3156. The relative difficulty of organic chemistry
  3157. Boiling Point question
  3158. Is Diesel Phosphorescent?
  3159. What makes a Kelvin Generator work?
  3160. help with Article: Life as we don't know it.
  3161. Something Weird
  3162. concept about Orbital
  3163. In absence of air, Hydrogen reaction
  3164. methanol plus nitromethane
  3165. Is delta enthalpy zero for....
  3166. Atomic and Molecular Hydrogen
  3167. Cellulose to Alkane
  3168. In CuSO4 solution, why doesn't Cu(OH)2 precipitate out?
  3169. question on DSC
  3170. A concept problem on organic chemistry
  3171. Molecular Orbital Model
  3172. Difference between Enthalpy and Heat
  3173. Highest Expansion Ratio?
  3174. Why and how does soda ash appear while soap is curing?
  3175. Does soda ash appearing on soap mean that oxidation of oils is about to occur?
  3176. How is development of ash and oxidation of oils in cold process soap related?
  3177. Is there a specific length of time for cold process saponification?
  3178. Can you gold plate a penny using gold nitrate?
  3179. compunds names and formulas
  3180. is C6H3Cl3 can cuase cancer
  3181. olefine from amine - how to make?
  3182. Mendeleev's table - complete?
  3183. Chemical Kinetics
  3184. Bored, was thinking...cis to trans
  3185. Island of Stability
  3186. Something That is Essential
  3187. Questions about race fuels
  3188. Why do some metals dissolve in water under a EMF?
  3189. test for chlorides and sulfates
  3190. Electronic configuration
  3191. how worried should i be? radioimmunoassay query
  3192. Glowing Metal After-Effects?
  3193. how to corrode TiO2 ??
  3194. Prevent rusting by connecting to electricity?
  3195. Upstate New York man finds his kitchen faucet spews flames. How is this possible?
  3196. Adding acetone to the gasoline
  3197. effect of ph on uv absorbance of benzoic acid
  3198. Re-learning Chemistry Help!
  3199. Name this compound!
  3200. How would i go about breaking an isopeptide bond?
  3201. Question about the forming of heavy elements.
  3202. What makes gasoline/alcohol so volatile?
  3203. H3PO4 to H3PO3
  3204. Co2 or Gas Analyzer
  3205. Making new solution from stock solutions
  3206. Home Made LCD Cleaner?
  3207. Melamine Solution
  3208. Decomposition of Ozone
  3209. How to identify unknown compounds
  3210. Thermodynamics of Converting uranyl nitrate to uranium oxide
  3211. Physical Chemistry
  3212. What is special about oil?
  3213. Best AP Chemistry Notes Ever
  3214. Homeopathic remedies "can be easily distinguished from the pure solvent"
  3215. Thermodynamic properties of charged ions
  3216. stereocentre/stereogenic carbon
  3217. Quantum Chemistry - bonding
  3218. freezing ice cubes
  3219. Oxidation States of Transition Metals
  3220. hazards of trimethylborazine ?
  3221. Decline of Amateur Chemists (a.k.a citizen chemists)
  3222. NO trend!!!
  3223. Succesive Ionization Energies
  3224. Redox Reactions
  3225. Solvated electrons in ammonia solution
  3226. cleaning mustard from steel
  3227. Unearthly Periodic Table
  3228. Cigarette smoke
  3229. Law of conservation of mass question
  3230. Creating material with special types of properties
  3231. Solubility Question
  3232. Why does Chromium oxide form before ferrous oxide?
  3233. Clean, simple way to strip oxide from aluminum.
  3234. period 3 ionization energy
  3235. Organic Compounds Structural Formula
  3236. Thermochemistry (Enthalpy) queery!
  3237. Where would be agood place to read specifically about inorganic catyalysts/reagents/u
  3238. Formation Reaction Problems: No Idea how to solve it
  3239. What's good ball mill media
  3240. Mass spectrometer calibration
  3241. pH Buffer solution
  3242. Polyatomic charge.
  3243. Chemical nomenclature
  3244. Fractional charge
  3245. Negative exponent in denominator
  3246. sterchable noncombustible polymer
  3247. Co2 to Coal
  3248. Can I prepare Aluminum chloride (hexahydrate) solution frm Aluminum chloride powder?
  3249. Bonding in diborane
  3250. Oxygene as an ingredient
  3251. Difference RuCl3 and FeCl3
  3252. Determining the amount of Silica in Water
  3253. gas/liquid with coolant properties
  3254. If I were to Calibrate a Graduated Cylinder...
  3255. Activating Zinc Sulfide for Glowing
  3256. Reversible exothermic reaction
  3257. artificial elements. whats the point?
  3258. combustion
  3259. electrochemical series
  3260. Dry cell batteries
  3261. colligative property
  3262. Difference?
  3263. Need a household oxidizer easy to get.
  3264. How can I make my Chemistry Teacher go, err? Not sure :D
  3265. Is there anyway to increase the proton of an element? Just asking out of curiousity
  3266. Important and Legal Responsibility of Working Safely
  3267. Equilibrium constant
  3268. Gibbs Free Energy.
  3269. I have a DEPT analysis problem.
  3270. Mixing all 94 naturally occuring elements together at once.
  3271. reaction
  3272. White Gold
  3273. Spontaneous Reactions
  3274. Cell Potentials
  3275. Dry Cell batteries: environmental impacts
  3276. First Law of Thermodynamics
  3277. imidazolium salts for Ru catalysts
  3278. Buffer Madness
  3279. a question to be answered plz
  3280. Is there such a formula
  3281. Alchemy as a Project Topic?
  3282. Chemical Formulas
  3283. Rate of reaction of Mg and HCl
  3284. Button Cells (silver oxide cell)
  3285. buffer solutions - relating volume and concentration
  3286. What is the reaction order of SN1
  3287. Things I wont work with
  3288. Terminology? (heated to reflux, washed, etc)
  3289. Van der Waals Forces
  3290. Why do radicals attack polyunsaturated fatty acids?
  3291. double salt
  3292. Help finding out Whats in this?
  3293. Calibration Curves
  3294. Calculating pKa when pH is known
  3295. Acetyl CoA turned to Malonyl CoA
  3296. The strength of strong acids
  3297. Polymer problem
  3298. Iodine Clock Collision Theory Basic Question
  3299. Enthalpy change with standard conditions
  3300. Oxidation number
  3301. heat of the reaction calculation
  3302. Mercury!!!!!!!
  3303. Rate Determining Step
  3304. reduction of benzophenone
  3305. Oxidation of Benzhydrol
  3306. Reducing power of alkaline earth metals
  3307. buffer and its range
  3308. Internet Journal of Vibrationsl Spectroscopy
  3309. Inert pair effect
  3310. how the presence of d-orbitals affect size?
  3311. At. radii
  3312. Not sure what this is asking.-Electron Config.
  3313. organic chemistry question. Mcat review question
  3314. ionic strength calculation
  3315. ElectroChemistry oxidation-reduction
  3316. kinetics in chemical reactions
  3317. organic chemistry concept help
  3318. Quad Bond
  3319. Diels-Alder Rnx: Reaction of cyclopentadiene with maleic anhydride
  3320. Basic Question Regarding the Combined Gas Law/Equation
  3321. Concentration Question
  3322. Heating and cooling curves of naphthalene
  3323. Why homologous proton don't split signal of each other in proton nmr?
  3324. Lithium Iron Disulfide Battery Chemistry
  3325. Emission Spectrum
  3326. Praseodymium Glass?
  3327. chemistry vs. chem 1?(at 2 yr college) It varies, but in your opinion?
  3328. Chemistry in Industry- water treatment
  3329. Positive charge of NAD+ molecule
  3330. New Development in Water Oxidation
  3331. Thermochemistry
  3332. Data Needed on Sodium Zincate and Lithitum Zincate
  3333. Is Ox or Redox more common in nature?
  3334. aqueous tension
  3335. How to Calculate Concentration?
  3336. preparation PVC from vinyl chloride
  3337. Chemical Kinetics (Reaction Mechanisms)
  3338. Non-integer amounts of atoms
  3339. Volume expansion of different gases
  3340. XRD Pattern of Na2ZnO2 and NH4ZnO2
  3341. Help with Stoichiometry!
  3342. D-I-Y sanitary wares- stain remover
  3343. order of percipitating anions
  3344. I need help with spectrophotometry ( The Beer-Lambert Law )
  3345. Sulfur in fertiliser
  3346. Value of Herbal/Chemical Medicine
  3347. What is the best starter book to learn chemistry?
  3348. Peroxide vs. dioxide
  3349. please help with this... i have a test tonight
  3350. Fractional distillation of crude oil
  3351. Absorbance for Purple Solution
  3352. Biology begets carbon chemistry?
  3353. Electron Transport Chain super quick question
  3354. How does fat change to glucose?
  3355. Calculating pKa when pH is known
  3356. Polymerization of acetone
  3357. Mass Spec of Derivatized (TBDMS) Proline and Isoleucine
  3358. What will MgCl2 ion pair + distilled water form and why?
  3359. Anhydrous MeOH in HCl ...
  3360. Valence Shells
  3361. pH problem
  3362. Glucose Monomer
  3363. PEM Fuel Cell Calculations
  3364. Any reaction?
  3365. Can Water be flammable?
  3366. Hi all ,
  3367. how to tell chrome from stainless steel?
  3368. Stoichiometry
  3369. How do pigments chemically work?
  3370. Keeping moisture-sensitive chemicals dry
  3371. limiting conductivity
  3372. Chemical Fingerprint
  3373. why impurities decrease melting points.
  3374. Molecular geometry
  3375. caustic soda
  3376. Salt deposit deterrance by Magnesium rod
  3377. Usage of Calculus in Chemistry
  3378. Fundamental understanding of why energy is released in covalent bond formation
  3379. Hydrogen Sulfide and Hydrosulfuric Acid
  3380. 【questions】ionic & covalent compound
  3381. Amperage of a Voltaic Cell
  3382. (I) After A Chemical Compound
  3383. How to stabilize copper oxide on acrylic acid copolymers
  3384. L.e.c.
  3385. Purpose of Net Ionic Equations
  3386. water and plasma!!!
  3387. Carbon Dating and a problem that came up in Math class - NOT HOMEWORK HELP
  3388. Rate law accuracy question?
  3389. Molar mass of combustion gases
  3390. Chemistry of a Simple homemade battery
  3391. Affect on volume of solute/solvent on accuracy of Rate Law
  3392. Liquid in a Vacuum
  3393. Anhydrous Chloride Salts
  3394. Alkaline ionized water
  3395. raman spectroscopy amide I processing
  3396. why do we neglect the effect of conjugate base when measuring the pH of weak acid?
  3397. order of acidity in organic compounds
  3398. equilibrium ion question
  3399. Are exothermic reactions spontaneous?
  3400. Salt Bridge question
  3401. Urban Legend- Breaking tempered glass with Aluminum Oxide
  3402. How do I know what product to I get from the reaction between 2 molecules?
  3403. H2 and O2 reaction question
  3404. Surface Tension Measurements with the program SCA20
  3405. Voltage for Redox Reaction
  3406. 2 questions in equilibria
  3407. Buffer solutions
  3408. Solubility of a solid equilibria
  3409. the most difficult thing to do in the course Chemistry 1
  3410. ethylic acid
  3411. London forces between benzene molecules
  3412. Triclosan removal
  3413. Number of pi electon
  3414. Heat of vaporisation help please
  3415. Some qualitative analysis help
  3416. Oxidizer strength
  3417. electrolytes nd freezing point. on mobile, pardon my typing.
  3418. silver nitrate + water ?? / Br in water?
  3419. cannizzaro reaction lab
  3420. Dissolving plant matter
  3421. PLEASEE HELP!!! dimthyl ether, MD.
  3422. What does the oxidation states of each element in a compound mean?
  3423. Testing for anions and cations in solutions
  3424. Simple Cubic Crystal
  3425. Expected Ions of Bi and N
  3426. Half-cell potential???
  3427. is 1,4-benzoquinone aromatic
  3428. Using ice tables
  3429. Electrolysis and concentration cells
  3430. How to seperate c02 from air?
  3431. Differential v. Integral Rate Laws; Kinetics
  3432. Quick question about surfactant?
  3433. Why does decrease of temperature increase spontanity of a reaction?
  3434. How to measure O2 in a chamber?
  3435. I want check my answer
  3436. NaHCO3 Electrolysis Products
  3437. How many electrons in the ground state of a Hg atom...
  3438. In search of a Unique Chemical
  3439. Burning Plastic Bags
  3440. I'm trying to prepare HCo(CO)3 catalyst
  3441. Why does hot water are white?
  3442. How is intro to chemistry vs chemistry 1 at most of the 2 yr colleges not the same
  3443. Scent and new soap bars
  3444. About limewater test
  3445. About Sodium Carbonate(Definition of base)
  3446. Bromine solution vs. Bromine
  3447. Negative entropy value for F- (aq) and OH-(aq)?
  3448. Energy in Liquid Hydrogen
  3449. Second Semester Physical Chemistry ACS Final Exam
  3450. Ionic Solution Description Manual
  3451. Heat capacity questions query
  3452. element
  3453. element
  3454. naming compound
  3455. Fractional Crystallization
  3456. Delta G and Delta G knot
  3457. Experimental Buffer Capacity Calculation
  3458. determining the formula of an organic compound from mass spec data.
  3459. molecular isotope decays
  3460. platinum-chlorine
  3461. ACS Physical Chemistry Final Exam
  3462. Chemistry - Equilibria questions involving ICE tables
  3463. question on making something cold any help?
  3464. How can I Forge Steel at home?
  3465. Reaction of chloroalkane. Why chlorine substituted by OH rather than H
  3466. this problem is killing me!! [calculation of electron transition]
  3467. Relationship between Zeffective and Radius
  3468. gas spill on aluminum....
  3469. Heavy and Light Nuclei
  3470. Concentration of ions in a reaction
  3471. maximum velocity of electrons?
  3472. Trend of First Ionization Energy in the Periodic Table
  3473. organic chemistry : cyclic alkane from esters
  3474. Hydrate problems
  3475. Iodine Numbers
  3476. Volume and Temperature
  3477. Dissolved oxygen related to redox potential
  3478. Deuterium Engines?
  3479. Geometry Optimization with GAUSSIAN 03W
  3480. Organic Chemistry: NMR Spectroscopy concept question
  3481. Equilibrium constant problem
  3482. Concentration of [H+] ions in a solution
  3483. Alchemy? Did anyone ever figure out how to change base metals into gold?
  3484. Chemistry and Food Products
  3485. Calculating ESP charges for a molecule fragment using Gaussian
  3486. chem demonstrations
  3487. chemistry problem
  3488. Dichloromethane + Polycarbonate
  3489. Can someone decipher this for me?
  3490. Radius for a unit cell
  3491. Finite heat capacity
  3492. Chemical Exposure!
  3493. Please help. (is this safe for human consumption?)
  3494. Best material to replace plastics
  3495. Quantum Yield
  3496. Need help getting the calibration curve of diffractometer
  3497. Nitrous oxide ?
  3498. Summing reactions/rate constants
  3499. Alpha decay
  3500. Hybridization
  3501. silver oxide
  3502. Second law of thermodynamics - what does it actually mean?
  3503. Al/Au adhesion
  3504. Unknown Symbol in Molecular Term Symbols
  3505. Confusion about Stoichiometric coefficients
  3506. unit cell
  3507. tri-aryl compounds/what is this
  3508. Entropy of formation?
  3509. Regarding to Kastle-Meyer test
  3510. Science Questions
  3511. Activation energy
  3512. confusion over flow rates
  3513. Refractive index of Vanillin and p-bromobenzophenone
  3514. Mid-latitude Mar's ancient covalent bonded ice?
  3515. Rieske
  3516. Hydrogen generation
  3517. peroxo and superoxo
  3518. Increase in attraction as size of cation decreases
  3519. Detecting Ammonia
  3520. Forming Polar Bonds
  3521. Lsd-25
  3522. Which Bond is More Polar: Carbon Hydrogen or Phospohorous Hydrogen?
  3523. galvanostatic method
  3524. How can i calculate the molar enthalpy of a volcanic reaction(baking soda and acetic)
  3525. trans d4h symmetry
  3526. Condition for reactions
  3527. How to produce pure Na
  3528. ice formation
  3529. Welding and metallurgy
  3530. Prep for Physical Chemistry.
  3531. A chemical rocket
  3532. Gaussian frequency job after optimization
  3533. A minor swindle
  3534. Why does CO2 keep keep heat within the atmosphere? (on the molecular level)
  3535. Why isn't acetic acid a strong electrolyte/acid
  3536. Esterification
  3537. Lemon juice vs Lemon juice + salt
  3538. The heme group in haemoglobin?
  3539. Density of H20 @ 150 C & 600 psi
  3540. Notation Confusion
  3541. how do you know if a reaction will take place or not
  3542. How petroleum is formed in the earth?
  3543. Balloon in LN2
  3544. NMR Spectroscopy
  3545. Chemistry of Cooking
  3546. Electricity generation using hydrogen
  3547. How do we know?
  3548. Redox Titration Help
  3549. question about avogadro's number
  3550. Hydride vs Dihydride
  3551. Electroplate Cu on gold
  3552. 50% citric acid solution
  3553. how does paint by water work?
  3554. NADH in Equilibrium constant
  3555. g of CO2 per kWh from burning methane
  3556. Intuitive understanding of enthalpy
  3557. Cohesion between two Au layers
  3558. IR Spectra of anhydrides
  3559. liquid metal batteries
  3560. Valence Electrons ?
  3561. PGA/PLA/PLGA polyesters
  3562. Sampling Chlorine
  3563. Definition of unit of electric current
  3564. empirical and molecular formula
  3565. Determining parameters for trapped air in contact with water.
  3566. Is there a an equivalent to deliquescence with organic solvents, alcohols, etc?
  3567. best chemistry textbook
  3568. Basic IR Spectroscopy and dipole moments
  3569. Electron Affinities
  3570. Continuous oscillating reactions?
  3571. Ph
  3572. Need Help Understanding Voltaic Cells
  3573. Looking for interesting reactions with paper
  3574. Shifting the position of an equilbrium
  3575. How to dissolve PVC thermoplastic
  3576. What is Fe-D
  3577. Reservations about a certain reaction.
  3578. Atomic Density question.
  3579. chemicals
  3580. methyl benzoate reacts with cuprate reagent
  3581. Betavoltaic decay
  3582. Reacting chloroammine gases with solid
  3583. Firecracker physics
  3584. The space between an atom's nucleus and it's electrons
  3585. Chemistry Textbook?
  3586. GRE Chemistry subject test preparation help
  3587. Using Flocculation for Drinking Water
  3588. Does citric acid "decay"?
  3589. Stacking Columns
  3590. transition metal oxidation states
  3591. Atoms with lots of bonds
  3592. Calculus I vs Probability & Statistics
  3593. Are cofactors consumed in the reaction?
  3594. What is a radial Node ? What is an Angular Node ?
  3595. Doubt regarding removing of electrons from shells !
  3596. Compatibility comparison: ethyl alcohol vs. denatured alcohol
  3597. Help With Chemical Formulae
  3598. Chemical Formulae for Methane Hydrate Combined With CO2
  3599. Compound with greatest number of different atoms
  3600. Fuel cells questions
  3601. CO2 gas diffusion into a cell factory
  3602. Partial Pressures Question
  3603. Evaporating aqueous solutions
  3604. How much pressure can be created by the decomposition of Hydrogen peroxide?
  3605. How much acid and base do you combine to make a ph7 liquid, given you know the 2 ph
  3606. how are medicines formed?
  3607. Is melting Tyvek safe?
  3608. Can the Negative Ion of Oxygen be an Oxidizer?
  3609. Solubility of helium in water
  3610. Electrolysis
  3611. is this possible for stagnant water such as bottled water to become rotten
  3612. diffusion in liquids?
  3613. IB chemistry extended essay topic help!!!!
  3614. Capabilities of H2,Pd and 45 psi
  3615. C+N2 (@ hight T)--> ?
  3616. Phosphorus - flame temperature
  3617. PID temp control for distillation (was "Before i ask")
  3618. Flux and Flow rate conversion
  3619. pH and litmus
  3620. 2D RMSD matrix plot using Matlab
  3621. Produce harmless gas to inflate a rubber balloon
  3622. Dissolve Plaster of Paris
  3623. Supercritical fluid in a Hofmann voltameter?
  3624. Percent Abundance
  3625. why amino acid stereochemistry always L-configuration
  3626. Ots??
  3627. Ethanol
  3628. reactions of calcium carbonate
  3629. Solvent for polymer reaction
  3630. Explosions with cornflour
  3631. Why and How Does the f-block elements differ in e.config. from aufbau principle
  3632. Heating Magnesium to make Mg0
  3633. why does heat/spark start a combustion reaction?
  3634. Does the Carbon in a hydrocarbon do anything?
  3635. Consequences of proton size being smaller than thought to be?
  3636. What is the mass of a POPC lipid?? I cannot find it through online searches
  3637. Respiratory acidosis doesn't make sense?
  3638. Does the total number of carbons in an ester affect its Kc of hydrolysis?
  3639. electrodeposition
  3640. Chemistry equilibrium clarifications
  3641. Isolating NaNO3 from NaCH3COO
  3642. Intercalation process explanation
  3643. Soft Drink Titration
  3644. Clock Reaction Inconsistency ?
  3645. extraction of iron on a match head
  3646. why doesn't wet paper burn
  3647. activation energy of electron transfers
  3648. noob chemistry question.
  3649. Chemistry Experiment Ideas
  3650. CO2 Production using baking soda
  3651. Recrystallization of salts
  3652. Why is hydrogen the most common element in the universe?
  3653. Which chemistry experiment to do?
  3654. recommendations for chemistry software
  3655. Autoclaving - Solutions
  3656. Solution of silver ions turning amber
  3657. Resolution of electron orbitals
  3658. Wool Material Shrinking from Heat
  3659. What is a water bubble?
  3660. A question about KI and the isolation of I2 (molecular iodine)
  3661. difference between a gas and a liquid
  3662. thermodynamics (entropy) of boiling a liquid
  3663. Carbon Dioxide Idea
  3664. Doubly Degenerate
  3665. Thermal decarboxylation of benzoic acid
  3666. Why is labglass so expensive?
  3667. Rate law
  3668. UPLC the next big tool?
  3669. enthalpy
  3670. Looking for a word to describe the following...
  3671. One basic high school concept problem
  3672. Law of mass action Vs order of reaction
  3673. Silver-Silver Electroplating
  3674. Nanotechnology Reading
  3675. who's law is it?
  3676. In India many people die from drinking homemade wine
  3677. half life
  3678. fat molecule, protein molecule
  3679. some of urea in urine breaks down to ammonia
  3680. about polarimetry
  3681. Heat and Energy
  3682. Best UppDiv courses for chemE major
  3683. How much lime juice to be used iso. citric acid??
  3684. search supplier
  3685. reaction of carbon dioxide and water
  3686. burning paper in ethanol
  3687. What is the most explanatory chemistry textbook
  3688. Can Software Help a Chemist?
  3689. Making a voltaic pile with Euro coins
  3690. What did I make in my lab? (Inorganic Chemistry)
  3691. Cant we see atoms??
  3692. procaine salt
  3693. Is condensation reversible above critical pressure?
  3694. Mixture of hydrogen and oxygen
  3695. New hydrogen storage ideas
  3696. nanotubes from exhausts?
  3697. Synthesys of 3,5-dihydroxyphenol
  3698. Ethanoic acid + 3 methyl, butanol -> name?
  3699. do we know more sure that we have made all of the elements that we can possibly make
  3700. Selectively Reducing Fe(III)
  3701. Non-carbon organic compounds
  3702. Can we remove/add electrons and protons from/to atoms to create other materials?
  3703. Compact Notation of RxN Mechanism
  3704. Carbon 14 and health
  3705. Chemical Reaction to pulverize Aluminum?
  3706. Coordinate covalent bonds
  3707. Ion notation
  3708. Inorganic bonding
  3709. Drawing Lewis structures
  3710. Oxidation state of TiO2?
  3711. Powdered Graphite in engine oil
  3712. Why is entropy important?
  3713. Calculating flame temperature
  3714. Where to find phase diagrams
  3715. does a confined liquid boil?
  3716. What's the method called of calculating pH changes in solutions?
  3717. C02 Tanks
  3718. Metal/Nonmetal Covalent Bond
  3719. chemistry of alternative life forms
  3720. Issue regarding oxygen storage with other elements
  3721. order of atoms in chemical formulas
  3722. Using Endothermic Solvation To Assist Distillation
  3723. Buckyball applications?
  3724. Gibbs Energy and Reaction Quotient
  3725. Density formulation
  3726. Electrochemistry help, ripples in current effecting reaction?
  3727. What are CFC's replaced with?
  3728. chemistry programs
  3729. "Spontaneous" reactions require activation energy?
  3730. amino acids relative size
  3731. Resonance of DNA O-H and N-H bonds?
  3732. Rotational–vibrational coupling scale model
  3733. Nanotubes and Buckyballs
  3734. Smallest carbon molecule
  3735. Relation Between Protons and Properties.
  3736. Platinum Catalyst Question
  3737. Does Diazidoacetylide exist?
  3738. Need help please. Charged ions
  3739. Test for amino acids in Protein shakes (Experiment)
  3740. delocalised pi electrons in benzene
  3741. ion Hydration
  3742. Solubility for Oxides and Hydroxides
  3743. Carbocation Stability on Fused Rings
  3744. What is this molecule called?
  3745. Water Chemistry Problem
  3746. Prescription Lab Goggles
  3747. PChem Question: pV work reversibility/irreversibility
  3748. Atomic radii for pictures.
  3749. Reduction of ketones
  3750. Reduce diffusion effects in electrolysis
  3751. Electron and hole conduction
  3752. Comparing Water and Glycerol
  3753. LPG flammability
  3754. dilutions and concentrations
  3755. About the "Like dissolves like principle"...
  3756. A perfect storm in a cup of salt water?
  3757. half cells
  3758. Indicator
  3759. Stoichiometry
  3760. Conducting liquid that is not electrolysed
  3761. System equilibrium constant expression
  3762. Help with chemistry 2 maths
  3763. Figuring out formula from looking at name
  3764. Alkene vs Alkyne
  3765. Bulky groups
  3766. Screening Effect
  3767. Which one is a stronger acid- HOCl or HOI?
  3768. NMR spectroscopy
  3769. galvanic cell
  3770. finding density when given mass and volume
  3771. Electron Density in a 2s Orbital
  3772. Materials needed for...
  3773. Ethylene Glycol Layer?
  3774. Removing silver flake from steel wool
  3775. How to find the formula of an ionic compound if all you have is....
  3776. 2h20 to 2h2 + 02 reaction
  3777. Saturated
  3778. Heisenberg Principle in Context of Absorption/Emission Spectroscopy
  3779. Equilibrium constant
  3780. Help Undersanding The Voltaic Cell
  3781. Hydrogen Peroxide
  3782. Thermo chemistry
  3783. Chemistry of thyroid hormones doesn't make sense?
  3784. Finding an integrated rate equation
  3785. Enthalpy of Neutralisation
  3786. Nomenclature of Sweetener
  3787. Operation of a Voltaic Cell
  3788. Thermochemistry
  3789. Energy of Functional Groups
  3790. Boyle's law
  3791. absorbed dose in phantom
  3792. Negative oxygen ions reaction with hydrogen
  3793. Isomers
  3794. Acid resistance of Polyethelene
  3795. Why is the Vapour pressure of Water Constant ?
  3796. Slow reactions
  3797. Sum of Partial Pressures of Gas phase equals to total pressure of a 2 phase system?
  3798. ozone
  3799. Leaching Process
  3800. Protein Dynamics By Raman Spectroscopy
  3801. Cyclohexanol questions
  3802. Carbon Monoxide Oxidized by OH- not O2?
  3803. The effect of a magnetic field on the growth rate of crystals
  3804. Recharging an electrochemical cell
  3805. Thermochemistry is Hard
  3806. TLC plate in regards to polarity
  3807. Atoms
  3808. symmetry in molecules
  3809. Question -- phenol and sodium hydroxide
  3810. Aluminium
  3811. biodiesel
  3812. Electron configuration
  3813. Electronegativty: Nitrogen Vs Chlorine
  3814. Buffer/acid base titration question
  3815. Bonding properties of silicon (001) wafer
  3816. Electrodes for use in the electrolysis of water
  3817. Extreme Pressure and Organic Molecules
  3818. Lattice energy
  3819. Some interdisciplinary chemistry questions?
  3820. Why are Ionic Hydrides more denser?
  3821. Styrene
  3822. Titrating Biodiesel for soap content
  3823. Copolymer
  3824. challenge question!!!
  3825. Add carbon atom to pure hydrogen
  3826. Mechanism for friedel-crafts acylation using acid anhydride
  3827. One Alternate View of the Periodic Table
  3828. Bomb Calorimeter, enthalpy...
  3829. Acid-Base Extraction Theory
  3830. Alkali hydrides in org. synthesis
  3831. Bond length?
  3832. Help understanding delta U (or H) of reaction
  3833. calculating atomic mass
  3834. Excited atoms?
  3835. What are the ingredients in two-part pourable urethane foam?
  3836. Simple electronic configuration question.
  3837. Aspirin Lab Question
  3838. Buffer Solution help please!
  3839. Buy or make magnesium (local only)
  3840. Dipoles, Quadrupoles, Octopoles, and higher multipoles
  3841. spectroscopy data
  3842. Buffer Solution
  3843. Reasons for unusual infrared spectrum?
  3844. chemistry: oxy acids, acid salts
  3845. reaction rate equations
  3846. relationship between the pauli principle and the thermodynamical/chemical stability
  3847. Electronegativity of Ions
  3848. Is there a mistake in my homework question?
  3849. Number of electrons
  3850. Effects of Substituents on Benzene Ring
  3851. An old fashioned question about bleach
  3852. Mathematics of Hess's Law
  3853. Syn versus anti elimination
  3854. Solubility Product Constants
  3855. Preparation for p-chem
  3856. Determining keto/enol ratio with IR
  3857. color of oxygen
  3858. Sodium Ferrocyanide - 60 year old antique chemset
  3859. Waterproof adhesive or glue, how to make a glue/adhesive Waterproof! Urgent Please!
  3860. VSEPR Theory - not homework related
  3861. Benzoic acid Molar Extinction Coefficient
  3862. Why is it iron 2 and not iron 3???
  3863. Please Explain this reation to me.. Very Briefly
  3864. The Strength of Nucleophiles
  3865. Flame retardant properties of citric acid
  3866. reaction of halogen with potassium halide
  3867. Atomic mass unit and Molar mass
  3868. Convalent and Ionic bonds.
  3869. Chemical Compounds
  3870. Organic Chemistry Questions
  3871. Reaction Rate Order for High Temperature Gas-Solid Reactions
  3872. How "Old" Are The Atoms In Our Body?
  3873. Crystal-Bravis Lattice Definitions
  3874. Chemical reaction with both O2 and CO2 released as products?
  3875. Acids and bases (reactions)
  3876. What happens when an acid or base reacts with a metal, for example, Mg.
  3877. Mathematical chemistry
  3878. What is the stock system?
  3879. Splitting molecules - with UN
  3880. In order for a compound to be an acid/base...
  3881. Synthesis of keytones/aldehydes from ethanol formed from E1 (alkoxide reagent)?
  3882. names of elements
  3883. Learn chemical reaction equations?
  3884. Imine/Amine with NaBH4/H3O+ question w/ pics
  3885. Delta Hf & Delta Hrxn
  3886. Detail for Hard Water and Soft Help
  3887. molar heat of combustion
  3888. Alpha amylase extraction...
  3889. Bonds only form...
  3890. Electrochemistry Question, Galvanic/Daniel Cell
  3891. Computational chemistry of oxidation inhibitors
  3892. Do electrons stay in orbit around the nucleus in the same way...
  3893. An acid disassociate in water because...
  3894. Why do acids donate protons?
  3895. 1/4th Life expression for First Order Rxn
  3896. find the density
  3897. Pka of residues in an active site of protein
  3898. The compounds of acids are held together in ionic bonds?
  3899. empirical formula for these ionic materials
  3900. Liquid moving up a containers walls...
  3901. What characteristic of a base enables it to ''accept'' Hydrogen Ions?
  3902. Alkyl groups question
  3903. Dried Superglue -- flammable?
  3904. How big should sugar crystals get?
  3905. Enantiomerism and Conformation..... :)
  3906. Do you know where i can get a flow sheet for the synthesis of Carbon 60 ?
  3907. Forces between molecules
  3908. Shape of Molecules
  3909. Coupled reactions
  3910. Disagreements in published boiling temperatures of tin, gallium etc.
  3911. Phthalic anhydride to imides
  3912. Hybridization and Sigma and Pi bonds
  3913. Electrochemistry
  3914. Elephant toothpaste per cubic meter
  3915. Nitrobenzene/phenol/aspirin synthesis
  3916. Entropy
  3917. Where to download ChemDraw templates
  3918. Determination of iron purity by redox reaction
  3919. Boiling Point
  3920. semi-conductor
  3921. Melting-Why do intermolecular bonds weaken?
  3922. Why cold water instead of hot water for rinsing a jacuzzi tub?
  3923. Diffusion
  3924. Forces between particles
  3925. Conductive material also UV transparent ?
  3926. How are diatomic molecules formed?
  3927. Some elements react with certain elements better than others...?
  3928. Looking for Henry's Law Constant table for CO2
  3929. stability of electrons
  3930. How long does it take strong acid to burn fabric?
  3931. ABC and ABA closest packing
  3932. Ethanol Production
  3933. Why do some elements...
  3934. Chemical kinetics
  3935. Bonding Symbols?
  3936. Equilibrium and Rate
  3937. What is a metallic bond...
  3938. Soda cans
  3939. Amino acid + HCl reaction and mechanism
  3940. electron densities of Carbon Strontium water calcium
  3941. E/Z Configuration
  3942. Chemical properties of transuranium elements
  3943. radii of hydrogen and helium
  3944. I need to neutralize bleach in my heating system
  3945. Derive the ideal gas law from Charles', Boyle's, and Avogadro's, how?
  3946. solubility of benzoic acid
  3947. Most accurate equation of state
  3948. Coordination Chemistry: how many ions formed when dissolved...
  3949. Why is the N in pyrrolidine sp2 hybridized?
  3950. Polarity of organic compound
  3951. reaction of dish soap and bleach
  3952. Calculate grams according to equation
  3953. water + steam
  3954. Predicting molecular shape without drawing lewis structure
  3955. Dissociation into ions
  3956. diluted HF can damage to InGaAs or InAlAs or InP?
  3957. What does this notation mean?
  3958. could water become explosive if heated enough?
  3959. Structure of SO2
  3960. Is this grignard preparation mechanism correct?
  3961. Bond Lengths
  3962. Some help on Bent's Rule, please
  3963. different acid-base theories
  3964. enzymes
  3965. Biochem or AP Chem?
  3966. Do research chemists really make such little money?
  3967. Relative velocity
  3968. Why are there different rate constants?
  3969. cabbage chemical composition???
  3970. Avagadro's number
  3971. HCl in ethanol
  3972. Sample Preparation for Raman Microscopy
  3973. Ammonia spectroscopic data
  3974. Why does helium have a greater first ionization energy than hydrogen?
  3975. Strong/Weak Acids and Bases
  3976. New interesting type of a fuel cell
  3977. Doubts in Organic Chemistry
  3978. Environmental disaster chain of events (for story)
  3979. Mystery material found in ashes of fire
  3980. Is entropy 'S' measured on some fixed scale?
  3981. LED from Silicon Carbide crystals
  3982. The correlationship between Salinity and Temperature in sea water?
  3983. Books for chemistry
  3984. Temperature neutralization of explosives
  3985. Enclosed Electrolysis of Water Question
  3986. White spirit
  3987. Photons
  3988. PPM concentrations
  3989. Possible to find amount of a substance in tissue sample?
  3990. Can anyone identify this NMR?
  3991. I don't really understand the concept of organic oxidations.
  3992. Nominal Primary Diameter
  3993. frequency
  3994. Alcoholic Beverages
  3995. Kf and Kp
  3996. Electrolysis Confusion
  3997. Solving Delta G from a Solubility constant
  3998. catalysts and rate law
  3999. Elemental composition of the body
  4000. Why don't electrons stick to the protons in a nucleus?
  4001. Synthesis of Glucose or Other High-Energy Sugars
  4002. Where to find Chem Videos
  4003. Colour of complex compounds and crystal field theory
  4004. How to remember the charge of electrodes?
  4005. Charging a Battery
  4006. Alkyds and Casein
  4007. Vibrational Stretching Frequencies of some Diatomics
  4008. Gain/Loss of Electrons
  4009. Why Do Microwaves Only heat up Water?
  4010. Unstable molecules - is the instability "relative" to environment?
  4011. Boiling Points and Melting Points
  4012. Fictional iron chemical reactions
  4013. Acid and Bases IB Design Lab
  4014. Hydrogen and chlorine gas in water
  4015. College student. Should I memorize...
  4016. phenyl and methyl shift
  4017. H20 is polar because...
  4018. Ionic and covalent bonding...
  4019. Are ionic bonds results of redox reactions?
  4020. Im trying to understand
  4021. How are large compounds/molecules formed?
  4022. Cation Exchange Capacity (CEC) of montmorillonite (the calculation)
  4023. Low Temperature Diesel Fuel (urgent)
  4024. Oxidation of Alcohols (KMnO4) - Preferred Reactions?
  4025. Re-distillation of alcohol
  4026. Is stablility a byproduct of a chemical reaction?
  4027. The missing elements in the Periodic Table?
  4028. Chemical reactions
  4029. gel-liquid crystal transition temperature of lipids.
  4030. Orientational Relaxation in IR Spectroscopy
  4031. Why Internal energy is dependent on State ?
  4032. Chemical Burn no marks or redness?
  4033. Weak Acid-Weak Base Equilibria
  4034. How to balance a chemical equations?
  4035. help me please (urgent)
  4036. Is it important that I use crystal sugar from the same source in my experiment?
  4037. Water ion product constant???
  4038. Credibility.
  4039. Freundlich Isotherm Proportionality
  4040. why is "melting" called "fusion"?
  4041. Batteries
  4042. Resonance/energy levels contributing structures
  4043. Boiling Point before Melting Point?
  4044. spin orbit coupling for atom at centre of complex
  4045. Electrochemical gradients
  4046. Periodic Table
  4047. Electrolysis of Water
  4048. Nitrogen as a shielding gas?
  4049. Best Way To Produce Large Amounts of Iron(III) Oxide (Rust)
  4050. Hybridisation and MO theory
  4051. alpha amylase binding sites
  4052. radio-sensitive molecule
  4053. What type of chemistry is this?
  4054. The logarithm in the entropy formula
  4055. Why does ferrous iron make 6 covalent bonds?
  4056. Are ions stable?
  4057. Potential energy curve of a molecule
  4058. Synthetic Methane
  4059. non-messy heat bath?
  4060. Special Volcano
  4061. Titration Question
  4062. Ideas for my Chemistry EE?
  4063. ATP is like a capacitor?
  4064. Nanowire Li-ion battery. Is there a sense?
  4065. molar fraction problem?? (Help)
  4066. Electromagnetic paper Recycling system( photo-chromic or thermo-chromic inks?)
  4067. Redox paradox
  4068. Gasoline Explosion/Detonation Pressure
  4069. Chemical Wave functions
  4070. Titration
  4071. Hybridization problem about guanidine.
  4072. Irreversible adiabatic process
  4073. function of salt bridge
  4074. How do you dissolve plaster of paris
  4075. Law of Mass Action
  4076. Dipole moment?
  4077. Synthesis of polymers containing biarenes
  4078. What causes Nitroglycerin to detonate while thawing?
  4079. How does formic acid (under basic conditions) convert to CO2?
  4080. methanol chlorination
  4081. Best* Electrolyte for Water Electrolysis
  4082. Relative stability of allyl radical
  4083. Resonance
  4084. Electron Affinity
  4085. Experimentally Determining Entropy
  4086. Derivation of the Equilibrium Constant
  4087. Alkalinity
  4088. Tollens' mechanisms
  4089. why don't dissolved ionic bonds revert to the elemental properties?
  4090. Solubility of acetylsalicyclic acid in ethyl acetate
  4091. Why chemical reactions happens?
  4092. Enthalpy of Reaction at other than 298K
  4093. What the heck is my buddy talking about?
  4094. Bond Length from IR Spectroscopic Data
  4095. Atomic mass
  4096. Spectra: Where do the emission lines come from?
  4097. Aromaticity of tropolone
  4098. Carbon rings.
  4099. how to make hand sanitizer?
  4100. non-linear thermodynamics!
  4101. dichloroacetate
  4102. Using boiling temperature as a proxy for vapor pressure
  4103. Label on aluminium soda cans
  4104. Finding the atomic makeup of a substance
  4105. Hybridizing oxygen and nitrogen orbitals
  4106. Fighting Limescale
  4107. PKa(H3O+/H2O) and PKa(H2O/HO-)
  4108. leveling effect of water
  4109. Resonance Structures
  4110. Functional Groups
  4111. Chemical Equilibrium Question
  4112. Dehydration of an alcohol
  4113. Organic Chemistry is driving me insane
  4114. Etching brass
  4115. strength of base... Urgent
  4116. slater orbitals for alkali earth metals and noble gases
  4117. Why does chlorate form like this?
  4118. Cant grasp difference between infinitesimal change and macroscopic change
  4119. determining nitrous oxide production
  4120. Chemical Kinetics Example
  4121. Hydrogen and Oxygen "burn"
  4122. nitrous oxide's stability
  4123. Glycerin Mixing
  4124. Pavement paint, plzzz help
  4125. Does too much ions in the air cause rain?
  4126. Graviemertic analysis of Shulphate content on Fertiliser
  4127. process simulation software
  4128. Electron configuration of transition metals
  4129. Voltage across a battery while discharging
  4130. Fajan's Rules and Electronegativity
  4131. Hybridization
  4132. Structure of biomolecules
  4133. Distance between two layers in FCC unit cell
  4134. Decomposition of Nitrogen Dioxide
  4135. Uniqueness of Sodium Chloride & H20
  4136. Lowering of Vapour Pressure - a C.P ?
  4137. What does one carbon metabolism of folic acid mean?
  4138. Infinite amino acids?
  4139. Acid Stripping - with Ultrasonic Assist
  4140. Simple question about equilibrium
  4141. help with gaussian
  4142. Wine Fermentation Heat Generation
  4143. Hybridization
  4144. Normalization coefficient of sp2 hybrid orbital
  4145. High energy rechargeable Aluminum batteries
  4146. PV or VP?
  4147. Electronegativity of halogens
  4148. oil-in-water separation
  4149. Gaussian 09 .out file format specification (and freqchk)
  4150. Energy
  4151. brine electrolysis
  4152. Text Based Quiz program?
  4153. limiting reagents
  4154. Does arsenate inhibit glyceraldehyde 3-phosphate dehydrogenase?
  4155. Water Dissociation
  4156. What are some interesting ~5 minute chemistry demonstrations?
  4157. Implications of infinity on positional entropy?
  4158. Oxygen and Bromine-
  4159. So can you add elements to illegal drugs to make them technically different?
  4160. Electrophilic addition of alkenes
  4161. Questions about oxidative phosphorylation?
  4162. Ozonolysis of alkynes
  4163. How does the ideal gas law work?
  4164. toxic compound
  4165. Mass spectrometry - How can you find the mass of the compound?
  4166. NaCl solubility
  4167. Taste
  4168. Getting NaOH out of soap?
  4169. equilibrium constant rules help.
  4170. Physical Chemistry Q: Do conduction band electrons affect chemical properties?
  4171. Dry Ice and Thermodynamics
  4172. need help
  4173. when propane gas is bubbled into bromine water, no colour changes, why?
  4174. elementary question of binding energy
  4175. Buffers, is my logic correct?
  4176. Cheap high-density liquid
  4177. Comutational Chemistry - From Basis Set to MOs
  4178. Complete Dissociation?
  4179. drinking water
  4180. trying to find info on reaction of CuCl2 + HCl+ Al(solid)
  4181. Amphoteric substances
  4182. Carbonyl Sulfide Removal By MEA‏
  4183. How much energy is stored in borax element?
  4184. Traffic Light Experiment
  4185. Organic II Q's - EAS, sulfur as protecting group, fischer esterification
  4186. Ordinary chlorine vs hydrogen peroxide as a bleach
  4187. Liquid Sodium in a sealed tube
  4188. Exothermic Chemicals
  4189. Chemistry or Physics major
  4190. Using a Vaporizer for Cigarettes?
  4191. Detection of hydrogen peroxide in water
  4192. CO2 exchange with Dissolved Oxygen in Water
  4193. Henry's Law of Sorption in Rubbery Polymers
  4194. Hydrochloric Acid and you!
  4195. Hybridisation of SO[SUB]2[/SUB] and SeO[SUB]2[/SUB]
  4196. Alcohol
  4197. How to determine which molecule has the highest melting point?
  4198. VSEPR question
  4199. Physical Chemistry vs Statistical Mechanics notation
  4200. Interesting Static Eletricity Question
  4201. Sn1 and sn2 reactions
  4202. Base question
  4203. Solvents for Grignard Synthesis?
  4204. Electrochemical cells: Is gibbs free energy dependent upon concentration?
  4205. oxidation of butane to butanol
  4206. How hot is the fire caused by burning Vegetable Oil?
  4207. what will sugar dissolve in besides water?
  4208. SERS substrate
  4209. product of concentration of H+ ions with the concentration of OH- ions must be 10^-14
  4210. Disconnect between Lennard-Jones and Heat of Vaporization
  4211. What happens when Ca is added to water?
  4212. Most rigorous chemistry course?
  4213. Is H2 gas stable?
  4214. Chemistry Balancing equations.
  4215. surfactants in kerosene fuels used in aviation
  4216. Ether Layer
  4217. 'diels alder' like reaction with nonconjugated dienes
  4218. Freeze Ray
  4219. Leaked Maglite battery destroys the thread?
  4220. The hybridization of P in phosphate
  4221. How does the coordination chem of transitional metals change as the period increases?
  4222. Are coordination bonds always Lewis acid/base bonds?
  4223. Qustion about leaving groups and bases
  4224. To do with reactivity, I think
  4225. Neucleophilicity and Basicity
  4226. What do the hexagonal shapes mean in chemistry?
  4227. calculating wavelength of ZnS phosphors
  4228. Ideal Gas & Osmotic Pressure
  4229. drawing molecular diagrams
  4230. which is more stable Fe2+ or Fe3+?
  4231. What causes pH to decrease during fermentation?
  4232. Trans and Cis isomer model??
  4233. Biochemistry: Why does a high pH kill/inhibit yeast function?
  4234. Enantiomer / Diastereomer Chemical and Physical Properties
  4235. Redox reactions
  4236. weird: number of moles of NaOH in 20 ml of 1M NaOH
  4237. what vessels to use with hydrochloric acid, sodium hydroxide, and sulfuric acid?
  4238. Benzene vs Toluene (higher energy)
  4239. Forward vs Reverse Reaction (both endo/exo thermic)
  4240. A Metaperiodic table?
  4241. Why do bubbles form when vapor pressure = external pressure?
  4242. How Does Bond Formation Release Heat?
  4243. I want to know raman peak of Irradiated ZnO Nws with proton
  4244. Phosphor Powder for solar cells
  4245. What is this?
  4246. Degradation of polydimethylsiloxane... Si3(CH3)6O3?
  4247. Sodium-sulfur battery properties
  4248. The equilibrium constant and solids
  4249. nomenclature of poloxmer?
  4250. Prove that delta G = delta G^o + RTlnQ
  4251. chemistry project!!
  4252. Dissolving solid copper chloride
  4253. O2 Molecule
  4254. Accident at factory, how to solve it?
  4255. Battery question
  4256. Practical real world uses for Colorimetry
  4257. Why is Area under Desorption Curve (TPD) the total particles desorbed?
  4258. Nafion Membrane
  4259. Changing temperature of water to alter PH levels
  4260. Collision Theory
  4261. Metal recovery via chemistry
  4262. Metal oxides changeing acidity
  4263. From hydrochloric acid to hydrogen chloride
  4264. Time taken for two substances to reach equilibrium (equation?)
  4265. carbocation vs carbanion
  4266. Metal ions and Colour
  4267. Cu Nitrate colour due to its structure
  4268. Naming question; Michael Aldol Condensation
  4269. Heating Daniel Cell Results
  4270. Temperature HOCl dissociation
  4271. SERS substrate characterization using Invia Raman Microscope
  4272. Scientific Name for Bubbles?
  4273. Reaction of sulfuric acid with sodium bisulfate and sodium bicarbonate
  4274. table salt
  4275. Ion exchange chromatography experiment involving transitional metals
  4276. Is copper sulphate pentahydrate a coordination complex?
  4277. Why does YADH produce more S than R?
  4278. Why is S-Ethyl 3-hydroxybutanoate SO MUCH more stable than its R enantiomer?
  4279. Question about chemical nomenclature
  4280. Electrochemical Cells - oxidants and reductants
  4281. entropy and arrangement factor (W) PLEASE HELP
  4282. How far does my house have to be from a nuclear plant 4 an explosion 2 pose a threat?
  4283. Water Molecular Question
  4284. Best organic chemistry book?
  4285. Formation of Silver Nanoparticles from Green Tea Reducing Equivalents
  4286. Will it be bonded?
  4287. Scientic Report Order
  4288. Transition metal colours help
  4289. glucose water
  4290. Cool Drinks?
  4291. Entropy and thermodynamic stability
  4292. Easy Acid-Base titration problem... i think URGENT!
  4293. Nuclear Reaction Combustion
  4294. exothermic reaction
  4295. Is copper absorbs Carbon????
  4296. Temperature of minimum density
  4297. Carbination
  4298. Metalurgy Question
  4299. The rote section for the calculation for optimization for single crystal (solid)
  4300. IHC detection of proteins in mitochondrial matrix
  4301. Strong Acid Dissociation
  4302. The Bohr Model -answer one ? if not all
  4303. Infinity of Chemical Knowledge
  4304. Common ion effect
  4305. le chatliers principle and solids
  4306. Help me understand the components of this Formula
  4307. Free Energy and Temperature
  4308. Dibenzalacetone isomers: Why are they so different?
  4309. d block chemistry
  4310. Why do absorptions cause compounds to be coloured.
  4311. What is the Kepert model?
  4312. Mechanism of combustion in limited oxygen
  4313. What gives atoms the properties of a chemichal?
  4314. Why is sea water alkaline?
  4315. Weak Acid plu Strong Base
  4316. molality and molarity
  4317. How to build a hydrogen cell with nafion
  4318. Crystal field splitting energy
  4319. reciprocating chemical reaction... is it possible?
  4320. Visualising MO theory
  4321. I can't remember combustion analysis
  4322. de broglie wavelength
  4323. atomic orbitals
  4324. Symmetry elements
  4325. Need Help Understanding Bohr Model Equations
  4326. Whats the molecule?
  4327. synthetic polymer/plastic
  4328. Bubbling Chlorine through a mix of Ferrocyanide/Ferricyanide/Bromide
  4329. Difference between ion-dipole and INDUCED ion-diople forces
  4330. Biochemistry and Wave functions
  4331. Help::the Mark-Houwink-Sakurada constants of PLGA
  4332. Resistivity of Ringer's solution
  4333. Molecular Orbital Diagrams, learning how to draw?
  4334. Is there a practical way to make homemade 3% H2O2?
  4335. How does NH3 have 2 rotation axes?
  4336. Delta H of formation for diatomic molecules.
  4337. Deriving info from reducible representations
  4338. Thiamine Mediated Biochemical Formed Similarly to Benzoin Condensation
  4339. Why s-p orbital overlap is stronger than s-s overlap?
  4340. Biochemistry and Biomedical Engineering
  4341. Shouldn't aluminium oxide be reactive?
  4342. Nuclear Equation Question
  4343. Endothermic / exothermic reaction
  4344. HPLC Question
  4345. Equilibrium Constant: Valid under what conditions?
  4346. Shells' arrangement
  4347. why is water incombustible?
  4348. Acid-temperature relationship
  4349. Scripps Institute of Oceanography Re: Seawater Alkalinity
  4350. Manganese Oxide mixed with HCL.
  4351. Van der Waals constants
  4352. Dissociation energies of: Cr2Cl3 & Cr2O3 Which is higher?
  4353. To test the stability of a reference electrode in a 3 electrode setup
  4354. Decay
  4355. Effect of catalyst
  4356. Malonic Ester Synthesis
  4357. Uses For Protactinium
  4358. Measuring Wetness/Spotting/Filming
  4359. The Raman spectra of metals
  4360. Molden for viewing Molecules
  4361. Stupid question - is it possible to use up all the oxygen in your room?
  4362. Gas Chromatography: Varian CP 3800 GC
  4363. Determination of Lactose
  4364. orbital angular momentum
  4365. paramagnetism in O2
  4366. Can someone identify this chemical compound
  4367. Calculation of concentration of a solution.
  4368. What are the S(x)-S(y) rotation lines?
  4369. Official SAT Chemistry Practice Question
  4370. Naming Alkenes
  4371. Making methane
  4372. Making fuel from algae
  4373. The periodic table of videos - videos for ALL elements of the periodic table have bee
  4374. van der waals gas equation?
  4375. Need high density liquid
  4376. Does adding or removing pure liquids/solids affect equilibrium?
  4377. Is the boiling point directly related to the volatility of a substance?
  4378. Complex ions and their shapes
  4379. CO2 solubility in H2O at different temperature and pressure
  4380. Chemical Equivalence
  4381. Heat of Fusion Question
  4382. Chemistry Editing Software
  4383. C++ chemistry library
  4384. Redox reaction...with a twist!!!
  4385. Titrations and buffers help, test tommorow
  4386. [Ar] symbol.
  4387. Cleaning paraffin off lithium
  4388. Effect of pressure on melting point.
  4389. Early earth - silicates
  4390. Polymer Liquid Crystals Experiments
  4391. programs for Grand Canonical Monte Carlo
  4392. When does LiAlH4 act as a base and when does it act as a nucleophile?
  4393. Stucture of complex ions
  4394. Polymorphic metals
  4395. Sugar Mixture
  4396. Naphtalene solid state Quantum Yield
  4397. What's the best way to separate a dissolved mixture
  4398. Tbaf, 3h2o
  4399. Maximum concentration, molarity, of Carbonic Acid ?
  4400. Custom laboratory equipment
  4401. (long) question - Raman, IR spectroscopy; virtual energy states, light; heat
  4402. ACS exams in inorganic and biochemistry. Anybody take them?
  4403. Hydrogen Gas
  4404. AMPAC Semi-Empirical Problem
  4405. What is Aqeous Tension?
  4406. Double Salts and Coordination Compounds
  4407. Newman Projections
  4408. Relearning Intro Chem material
  4409. How many equivalent hydrogens are there in octane?
  4410. Lifetime of rechargeable battery (sealed lead acid)
  4411. Chemistry: Electro chemistry help!!!!!! PLEASE?
  4412. Glass tube/pipe production?
  4413. Particle Size after Dissolved in water
  4414. Combustion calculations and the required amount of air
  4415. Resonance Stabilization when electrons can't donate?
  4416. Can the Beta carbons of ketones act as nucleophiles? And one more question.
  4417. Chloramine from water preventing health recovery, how to help myself?
  4418. Lab techniques/tricks they don't teach in books
  4419. Nylon 5-12
  4420. Aqua regia and a damned simulator
  4421. New Teacher here, need help with inquiry-based curriculum
  4422. Static Electricity Question
  4423. Ferrofluid Display Cell construction- hydrophilic surface application help
  4424. Function of Acetic Acid in Aspirin
  4425. Determine the concentration/purity of Caffeine in a precipitate
  4426. Simple question about ammonia/water solutions
  4427. KOH. the structural formula for it
  4428. avogadro constant
  4429. isothermal calometric titration of DNA and drug
  4430. Why do things bond in chemistry?
  4431. What is the exact definition of a 'salt'?
  4432. How Chemistry Works???
  4433. Organic chemistry nomenclature
  4434. Nucleophilicity of an aldehyde
  4435. Is osmosis a form of diffusion?
  4436. bottle rocket with sodium and water
  4437. Reversible reaction activated only by thermal energy
  4438. How do you calculate the max number of electrons with...?
  4439. Effects of PH on metals
  4440. Methanol in the body - Aspartame
  4441. Action of Salicylic Acid
  4442. Pressure and Volume relationship
  4443. Maintaining constant pressure of a gas
  4444. Hoppe's #9 gun solvent and Potassium Chloride
  4445. What to buy to build cold temperature tolerance?
  4446. Pressure of gas and work done
  4447. Anaerobic digestion biomass
  4448. Equilibrium constant and concentration
  4449. Hydrogen Gas Detection
  4450. The Chemistry of Fireworks
  4451. Stearic acid / magnesium stearate in vitamins? Is it safe to consume?
  4452. Local Anaesthetic Metabolism
  4453. Trouble understanding Slater's rules.
  4454. Temperature and Heat and Energy
  4455. Basicity is 1??
  4456. PCB plating
  4457. What affects the rate constant k?
  4458. Hydrolysis and hydrogen production: byproducts?
  4459. Hydrogen sulphide question
  4460. Lipstick drugs
  4461. Rocks, Barium, and Acid
  4462. Food Ingredients
  4463. Hydrogen bonding for Fluorine
  4464. I need help:/
  4465. Need clarification on solubility interaction
  4466. I need some explaination about cold packs
  4467. Enthalpy change of following compound in water?
  4468. why total energy equals sum of subenergies
  4469. Can sertain frequencies of magnetism effect specific things differently than others?
  4470. Which proton is most acidic?
  4471. Free radical Halogenation for heat
  4472. Chitosan Solidification
  4473. air purification cleaner type?
  4474. Atomic Absorption Test Method Help
  4475. Tittration procedure for Pickling Bath to HCl Concentration and Iron conten
  4476. higher melting point, PH3 or NH3?
  4477. Chemical bonding force
  4478. Bond Angles
  4479. kinetic energy for a mole of a gas discrepancy
  4480. does heat increase reaction rates?
  4481. How can we know that which salt is soluble or which is not ?
  4482. Advices! Is this possible?
  4483. What is colorless?
  4484. An appropriate replacement for oxygen in water
  4485. 2 questions (one ochem and one pchem)
  4486. WHAT HAPPENS IF I HEAT Fe2+ or Mn2+ in air?
  4487. Gas Chromatography: Stray Peak and Beginner's Questions
  4488. cp and cv derivation
  4489. why energy released when bonds formed
  4490. Drug Chirality
  4491. Confusion with molecular geometry [carbon tetrachloride]
  4492. Octet production, why?
  4493. Reference books for IIT-JEE
  4494. Slow motion Imagination Of H-H Bonding
  4495. Have you heard of Cr2Cl3 ????
  4496. Anyone can help me on the chemistry notation
  4497. Salts and acids/ bases conceptual question
  4498. What are the Incompatible Alcohol Denaturants?
  4499. Aromatic Substitution Polarity
  4500. Why do some elements have more than one charge in specific reactions?
  4501. Buffers and pKa and pH
  4502. pH at the equivalence point
  4503. Free energy and Chemical Energy question
  4504. Mixing of chemical indicators
  4505. Looking for advice designing crystalization experiment for high school
  4506. Diprotic Titration Curve
  4507. Evaporating Dextrose Solution: Best Method for Purification?
  4508. pKa of fatty acids
  4509. Formula for a titration curve?
  4510. Halochromism in Phenolphthalein
  4511. Determining an empirical formula
  4512. The principle of the ECD of a GC (and possible balloon modification)
  4513. breaking the water molecule
  4514. trend of entropy of universe
  4515. Which Zink ion is blue?
  4516. Heat change between system and surrounding
  4517. Why are acidic amino acid side chains acidic?
  4518. The carbon content of a good samari sword
  4519. Are there Lewis acids that *don't* have pH's below 7?
  4520. Chemistry Extended Essay Phosphorous
  4521. Hybridization and Bonding
  4522. How to Extract Grain-Sized Gold in Dirt?
  4523. Rechargable galvanic cell??[remove the salt bridge}
  4524. Motion of electrons in orbitals and shape of orbitals
  4525. fertilizers
  4526. doping an ionic compound
  4527. Citric acid buffer solution for prac
  4528. Acid-base equilibria
  4529. gaussian calculation
  4530. Why does water taste stale after sitting out?
  4531. Does this drug approach a stable quantity (or a sine wave pattern) as t->infinity?
  4532. fluorescence chemiluminescence
  4533. formation of ammonium carbamate
  4534. Titration Questions
  4535. How to dehydrate a solid crystal???
  4536. Volume Contraction (Water & Methanol Mixture)
  4537. Why do aromatics fluoresce & scintillate?
  4538. Why is sulphuric acid added to copper sulfate solution for electroplating?
  4539. measuring the temperature of a combustion
  4540. Calculating the EMF of batteries
  4541. Sugars Question.
  4542. gaseous state
  4543. ions conduct electricity
  4544. question concerning solubility equilibriums for salts
  4545. Absolute Value of Internal Energy
  4546. Balancing reaction equations
  4547. Is SiO3 soluble in Hydrofluoric acid???
  4548. Things you can make with urine?
  4549. structure of ganglioside
  4550. Diamonds out of flame (article)
  4551. Why does glass get elastic when immersed in HF; like this video???
  4552. zwitterion and isoelectric point
  4553. how to determine the value of electronegativity
  4554. hydrogen bond big problems in my mind
  4555. Explaining why some reactions are spontaneous at certain temperatures
  4556. Van't Hoff Approach to Finding ∆H and ∆S
  4557. salty water... showing a voltage?
  4558. Can someone explain electronegativity, please.
  4559. Catalysts and rate equations
  4560. Need help with conversion question.
  4561. Choosing a partner in chemistry courses at a university or college
  4562. products of aluminum sulfate electrolysis
  4563. separating salt from water
  4564. pH=pKa+log([A-]/[HA]).. add lots of water and the pH still remains constant?
  4565. Potassium Carbonate + Water Reaction
  4566. Acids?
  4567. Naming Oxoanions/Oxoacids, which ion to base off of?
  4568. Dimensional Analysis with volume?
  4569. Polyatomic ions and their charge
  4570. Relative atomic mass
  4571. Methanol's solubility and acidity
  4572. Most Awesome Demonstrations?
  4573. Identifying Possible Structural Isomers
  4574. why platinum is used in some half cells and not in others?
  4575. how to find the mass of a salt.
  4576. Are all acid have covalent structure in solid state?
  4577. lattice length for Zincblende structures
  4578. Is MMS from Jim Humble safe? What can cause NaClO2 to the cells?
  4579. Reaction of sodium with water
  4580. CO detector
  4581. Skeletal formulas?
  4582. Reduction of metal oxides by Carbon
  4583. Impurities on melting point and boiling point of water
  4584. orbitals
  4585. pH scale
  4586. FTIR of anhydride
  4587. How to memorize the periodic table?
  4588. Urine/seawater precipitation salts
  4589. understanding chemistry
  4590. Al(OH)3 Electrolysis
  4591. Electrolysis hydrogen peroxide
  4592. Strength of hyrdrogen charges between ethanol and water
  4593. Don't understand Enthalpy
  4594. About the vsper model
  4595. Rusting of Nails in Salt Solutions
  4596. chemical bounds
  4597. Containing Electrolysis Underwater
  4598. Ion Exchange Between Salts in a Solution
  4599. Daniell cell = a primary cell?
  4600. What do orbitals look like?
  4601. Quick mixture question
  4602. valency of copper
  4603. Haber process and power generation
  4604. Why doesn;t Carbon show deviation from electron configuration
  4605. Colour of lather?
  4606. How to report mass spectroscopy and elemental analysis in the RSC style
  4607. A Few Organic Chem Questions (Stereochemistry)
  4608. Refinement of alkenes
  4609. How much base to neutralize acid?
  4610. Periodic Table of Elements
  4611. Can a solution contain only cations?
  4612. Infrared-Absorbing/Visible-Transparent
  4613. Aqueous systems questions
  4614. Carbonic acid breakup
  4615. hydration energy and charge to size ratio of ions
  4616. Inorganic I - 8 Coordinate Complexes
  4617. Why can the mixing of acids and bases be dangerous
  4618. Possible reactions
  4619. Temp at which a covalent bond breaks?
  4620. Odor absorbtion of baking soda
  4621. Orbital hybridization and lone electrons
  4622. X-ray diffraction in the presence of an electric potential
  4623. sodium hydroxide
  4624. Kinetic/Potential Energy Change in an Exothermic Reaction
  4625. Question about Experimentally Measuring Mass
  4626. electrowinning zinc
  4627. If Cadmium is Toxic then how does it get in jewelry so often?
  4628. A little help
  4629. Does Water Break Down/Rot?(Chemistry Ignorant)
  4630. Polar compounds that are insoluble in water
  4631. Tobacco Extractions
  4632. simple rate question
  4633. How do electrons revolve around in molecule bonded by covalent bonds?
  4634. Balancing equations
  4635. Can HCO3 have a 3- charge?
  4636. What is the Chemistry equivalent of Particle Physics?
  4637. Is there a difference between ionization energy and ionization potential?
  4638. converting ml/gal to gal/ml
  4639. How do you calculate the temp at which a H2O molecule splits into single atoms?
  4640. Dilute HF/Nitric Neutralization MYSTERY
  4641. Mole fraction concept help
  4642. [School project] Making diamond
  4643. Calculating percent abundance for 3 isotopes
  4644. Possible Errors Made Regarding Polarity and Intermolecular Bonds
  4645. How to dissolve chitosan?
  4646. Chemical bonding
  4647. can you have a triple replacement reaction?
  4648. Chemistry Lab Help :C
  4649. Meso Compounds with an odd number of chiral centers
  4650. Ionic bond strength
  4651. Irreducible Representation and IR stretching bands
  4652. Polyatomic Ions
  4653. Toxic chemical compounds used in products that you are aware of
  4654. Compound Name
  4655. Unique Hydrogen ?
  4656. electronic configuration
  4657. How can I make hydrochloric acid at home?
  4658. equilibrium constant contradiction
  4659. Change in coffee taste under certain conditions - chemical explanation?
  4660. Find hybridisation of Carbon compounds
  4661. Use of Molecular Sieves
  4662. Making Cobalt Blue by Sintering Alumina & Cobalt monoxide...?!?!
  4663. sulfur oxidation
  4664. Two fairly simple, but unrelated queries.
  4665. Reducing agent selectivity
  4666. Bunsen Coefficient Solubility Calculation Units?
  4667. Electron number
  4668. Double Displacement Reaction
  4669. Oxidation-Reduction Reactions
  4670. Combining atomic orbitals
  4671. Why is potassium permanganate coloured?
  4672. Boltzmann equation
  4673. wave function , robability density , probability contradiction?
  4674. SN1 reaction question
  4675. A test for hexan-1-ol and methylpentane-1-ol
  4676. Determining When Molecular Compounds Ionize When Dissolved Into Water
  4677. cheap liquid with Sp.Gravity betn. 2.8 to 6.5
  4678. At what temperatures do the omega-3 fatty acids oxidize?
  4679. Ksp, saturated solutions and precipitation (Ionic Equilibria)
  4680. reduction by solvated electron
  4681. Anionic ligands in coordination complexes
  4682. Henderson-Hasselbalch?
  4683. Molecular Ionization
  4684. Atomic structure
  4685. What kind of math is required for upper level chemistry classes?
  4686. Why does dichloromethane have a diploe moment of 1.60 D
  4687. How to Determine the Products of Chemical Reactions
  4688. Calculating mass from a NMR spectrum
  4689. Unusual observations any sensible answers?
  4690. Calculation Work Function
  4691. Elements in mass
  4692. Gases occupying space
  4693. help with moles
  4694. Elements that can be oxidizing AND reducing agents?
  4695. Acid-Base Reaction Temperature Conundrum
  4696. Hofmann elimination mechanism (organic chemistry)
  4697. Neucleophilic Acyl substitution of unsymmetrical Acid Anhydrides
  4698. What chemical properties make Peroxyacetyl Nitrate a good nitrogen dioxide reservoir
  4699. O vs P ChloroNitroBenzene Polarity
  4700. How to Solidify Sodium Silicate to form a transparent Glass???
  4701. I don't understand what causes redox reactions to occur.
  4702. Which Acid is Best for Cleaning Rusty Iron ???
  4703. 3D drawing. Urgent
  4704. Chemical equations are becoming my greatest nightmare !
  4705. Clarification of notation
  4706. Catalytic Converters - Three Questions
  4707. Calculating Ionization Energy
  4708. Why are compounds coloured
  4709. 2pz angular wavefuction?
  4710. water temperature questions
  4711. Kinetic Molecular Theory of Gases
  4712. Etymology of 'base'
  4713. Pyrotechnics ad Pyromania
  4714. Ionization
  4715. energy of 3d orbital in O
  4716. Large Lot of Chemistry equipment left by my brother
  4717. What causes ionic bonding?
  4718. Need help using Ion Electron Method in acidic conditions.
  4719. chemical reactors - reaction
  4720. Why do halogen substituents make molecules more lipophilic?
  4721. Nucleophiles vs Bases
  4722. Why is nitrogen basic while oxygen and flourine are not?
  4723. Naming Organic Compounds #-yl
  4724. HNMR spectra
  4725. Chromatography - How does flow rate affect peak width?
  4726. Writing Chemical Equations, Is It a Gas or Aqueous Solution?
  4727. Viscosity of polymers
  4728. Iodine test for stearic acid
  4729. Explain carbon compounds based on orbital and bonding energies to compare with si
  4730. Nickel - Meteorite Separation
  4731. Methane to CO2 conversion
  4732. EDTA Complexometric Titration failed... why?
  4733. Very Quick Chemistry Question
  4734. Why are CFC-gases inert?
  4735. reaction molar composition
  4736. Disputed Reaction Mechanisms
  4737. Calculate Diprotic Acid Species Concentrations
  4738. Spectrophotometry question - anyone experienced with it?
  4739. How to use Heisenberg Uncertainty Equation/Principle?
  4740. Acidity of substituted benzoic acids
  4741. Meaning of the rate in the Rate Law
  4742. whats a spectral line?
  4743. pKa of a buffer solution
  4744. PVC (PolyVynyl Chloride) testing ?
  4745. Basic Chemistry Question
  4746. Why is diatomic oxygen such a powerful oxidising agent if it is stable?
  4747. Separate protein
  4748. All The Stuff We Do with Equilibrium Constants...
  4749. How gels and gelling agents work
  4750. why can't an Electron microprobe detect H, He, and Li?
  4751. Photoelectic cell
  4752. Why do some polyatomic ions violate the octet rule?
  4753. A solution of hydrogen ions with no counterions
  4754. About Solvent for Bingel Reaction
  4755. Voltaic Cells and electron flow
  4756. activating the surface in electrochemistry?!
  4757. Iodides inorganic compounds fluoresces
  4758. How can I speed up RUSTING STEEL?
  4759. 3 questions about water
  4760. Limiting Reagent Question
  4761. Keq Concept: No Liquids in Keq
  4762. Buffer solution
  4763. Astrobiochemistry: Detection of Amino acids and nucleotide bases
  4764. Can you get redox potential from dissolved oxygen in water?
  4765. Basicity of t-butoxide vs ethoxide
  4766. Any difference between acidic and alkaline water?
  4767. Why does methyl cellulose dissolve in cold water but not hot water?
  4768. Lewis structure for Nitrogen Dioxide
  4769. Conductivity titrations that doesn't produce a solid precipitate and water?
  4770. Chiral nematic liquid crystals - describing light diffraction
  4771. colored flames in methanol
  4772. How is weak acid concentration measured?
  4773. How to make water samples that exhibit cabelling when mixed?
  4774. Disposing a Bleach Solution
  4775. Standard Enthalpy Of Reaction
  4776. How will hydrophobic materials help in oil removal from water?
  4777. Polymers - Crystallinity vs. Amorphousness
  4778. Gibbs free energy
  4779. Column Chromatography ketone/silica
  4780. doubts about self-energy, enthalpy of formation and atomic radius
  4781. What Breaks Down Meth?
  4782. How many structural and cis-trans isomers are there for dichloropropene, C3 H4 Cl
  4783. Fermentation kinetics info resources?
  4784. melting point of the naphthalene [something went wrong]
  4785. [doubt] melting points
  4786. Confused about electron spin (stern gerlach experiment)
  4787. Solids and Liquids in Hetrogenous Equilibrium
  4788. Dutasteride powder dissolved in ethanol/vodka for topical
  4789. What do sodium chloride and phosphoric acid have in common?
  4790. Dissociation energy for the NO molecule
  4791. Determine Activation Energy from rate?
  4792. Ionization and its effect on other orbitals.
  4793. question about mole
  4794. Thermochemical Equation Determine Mass
  4795. Have to write a paper comparing two elements.
  4796. Aromatic substitution and it's effect on proton NMR?
  4797. Donnan equilibrium and electroneutrality
  4798. Is hydrogen sulphide a polar compound?
  4799. Enzyme Kinetics Websites?--Studying for Finals
  4800. Simple Rate Law Question
  4801. Significant numbers used in chemistry confusion
  4802. do two hydrogens with same spin make H_2 ?
  4803. Amino acid loses a hydrogen
  4804. Redox and Corrosion Basics
  4805. How to neutralize THC
  4806. Silver Coating Various Materials
  4807. Why do transition metal ions lose s electrons first?
  4808. Bio-Ethanol
  4809. Molar Enthalpy
  4810. Acidic and Basic Nitrogens
  4811. Desperately need help, mixed Dettol and Bleach, need to know more about the reaction
  4812. Structure and properties of polymers
  4813. water transfer printing activator ideas
  4814. Vapor Pressure of a pure solvent
  4815. Polyatomic Ions?
  4816. Is the Hydrogen reduction of Magnetite endothermic?
  4817. 1 gram H / 1 atomic mass unit (grams ) What is wrong with the math here ?
  4818. Electronegativity & Bonds
  4819. The potential effects of "Potassium chlorate" on the human body.
  4820. Reaction between magnesium and oxygen
  4821. concepts and examples of inner sphere and outer sphere electron transfer mechanisms
  4822. Bonds in diborane
  4823. Aluminum Potassium Sulfate Hazards?
  4824. What causes attraction of electrons to nucleus?
  4825. Can you make a solution under standard conditions?
  4826. Identify if the given salt is acidic or not
  4827. Hydrogen flammability with elevation?
  4828. Calculation of ion flux across potential barrier
  4829. balancing chemical equations
  4830. Citric acid effect on body chemistry pH
  4831. HNMR of acidic protons
  4832. Bending distilled water with static electricity
  4833. Gibbs and Helmholtz equations for thermodynamic processes
  4834. Can you make an acidic solution with just H+ in it?
  4835. how is [itex]Q_s = M_s \times H_{fg}[/itex] derived?
  4836. Why is it impossible to change the number of protons of an atom?
  4837. Redox reactions
  4838. acid base titration
  4839. Quaternary ammonium compound solubility
  4840. E2 reactions on primary halide
  4841. Confunsed about reactions in equilibrium!
  4842. Beryllium Fluoride
  4843. Room temperature unstable macromolecule
  4844. Air equilibrated water
  4845. Gaqussian, density cube files and exchange integrals
  4846. Electrolytes
  4847. Why is it only chiral molecules that rotate plane polarized light?
  4848. Strength of metallic bond pof Metals
  4849. Salt Bridge & Voltaic Cells Experiment
  4850. Atmospheric CO2 Scrubbers
  4851. Colloid particles
  4852. Waves produce oxygen?
  4853. Nitric Acid formation from NO2 and OH
  4854. Hydrogen chloride
  4855. electronegativity doubt
  4856. 1,2-Alkyl shifts vs. hydride shifts
  4857. Neutralize chlorine solution with sodium percarbonate solution
  4858. Saponification time in Cold Process Soapmaking
  4859. How are essential oils affected by an alkaline medium?
  4860. Whats a good example of an SN1 reaction?
  4861. water-gas shift reaction
  4862. Help with a chemical equation please
  4863. Motion and Heat
  4864. Inductive effect with alkyl groups
  4865. Can you explain how vigorous vortex-ing can damage DNA?
  4866. Question on pH scales
  4867. Electrolysis of water?
  4868. Gibbs Free Energy Change of a Reaction
  4869. monatomic hydrogen volume and diatomic hydrogen volume?
  4870. Chromatography - What is a scouting gradient?
  4871. Which solvents can agarose/agar gel?
  4872. Force required to break the H-O bond
  4873. Graphite Tubes vs Carbon Fiber Tubes
  4874. unpaired electrons
  4875. Electrolysis Products
  4876. Counting the electrons of a coordination complex
  4877. Oxidative additions
  4878. The reactivity of sodium
  4879. Determining the number of IR/raman active vibrations when you know the point group
  4880. Ion Pair Reagents
  4881. Internal Energy
  4882. crystalline nature
  4883. Question about Delocalisation of Carboxylic Acid and Acctactiveness to Proton
  4884. reaction of alkaline earth metals with O[SUB]2[/SUB]
  4885. Can liquid ozone substitute for liquid oxygen?
  4886. Are Cyclobutane chains possible?
  4887. How to prepare toluene solution?
  4888. Need reaction to recover Sulphur from Sulphur Dioxide
  4889. heating water at 100 °C without coolers?!
  4890. Liquids and Electricity
  4891. Making your own bio-diesel
  4892. Sn1
  4893. Calorimetry problem
  4894. identifying a molecule
  4895. Alka-Seltzer + Soap reaction rate
  4896. What is this and how do I read it??
  4897. Entropy and equilibriuum
  4898. Any chemical reaction between air and vinegar?
  4899. High-quality safety glasses?
  4900. Salting out and organic solvents
  4901. Hybridization in aniline
  4902. Persistence Glowness of Platinum metal after heating
  4903. Why is the formation of ionic compounds exothermic?
  4904. Electrochemistry question
  4905. How to read structural molecules?
  4906. Looking for a method to test sodium content in air
  4907. Instantaneous Rate of the Reaction
  4908. molecular structure question
  4909. How is the charge transfered through a diaphragm in a galvanic/electrolytic cell?
  4910. I have cation concentrations. How to figure out corresponding H and O concentrations?
  4911. Rate of a Chemical Reaction
  4912. What's the Name of this compound
  4913. Should the periodic table be revised to this?
  4914. Partial Pressures?
  4915. What the Heck? Chemistry Experts Needed NOW!
  4916. Reaction CO2 + H2 = CH4
  4917. Complexes question!
  4918. Mole Fraction of O2 to Mass of O2
  4919. Atomic mass, molar mass
  4920. Can the amount of product at a given time be calculated with multiple reactants?
  4921. Why are carbon electrodes neutral in electrolysis of water?
  4922. Rate of displacement of individual gas molecule help
  4923. SI engine combustion. CO2 dissociation?
  4924. Highly sensitive colored organic reactions?
  4925. Half reaction/ ion electron method
  4926. Why does ionization energy trends spike down with electrons px2, but not py2 or pz2?
  4927. Does the equilibrium constant have units?
  4928. transition metals melting points
  4929. METALLIC BOND help please
  4930. Eigen-Wilkins mechanism
  4931. The plum pudding question
  4932. Doubts regarding Atomic mass,relative atomic mass and mass number.
  4933. Toxicity in reactions between liquid paraffin and polyurethane/polyethylene
  4934. Why can't there be a metal-metal multiple bond in .... ?
  4935. Which complex is easier to oxidize and why?
  4936. Why does manganese... ?
  4937. Can this electrochemical reaction be explained? Steel, copper and electricity
  4938. How are our hands chiral??
  4939. coloured salts
  4940. How chirality helps in polarsing?
  4941. Can someone please check this chemical equation?
  4942. organic reaction and chirality
  4943. 13C NMR Question Reagarding Upfield/Downfield
  4944. Quick Entropy / Enthalpy Question
  4945. What would be the motion of electrons in a pi-bond?
  4946. 30,000 gals of a 25% solution of NaOH
  4947. why isnt there a dps3d hybridisation?
  4948. boric acid
  4949. Can someone explain this?
  4950. Surface area of a beaker of water w/ surface tension?
  4951. Finding Magnetic Moment of N-Propylamine adduct of VO(pd)2
  4952. A question on Molecular Orbital theory
  4953. Need help, Activation energy determination from this reaction. Is this possible??
  4954. mols
  4955. Cooking Tomato Juice
  4956. What's the difference between H3C and CH3?
  4957. Ion Association of Dissolved Bases
  4958. Synthesis with phosphate groups
  4959. Exothermic reaction involving air and a reactant to produce harmless breathable gas
  4960. Reactivity series
  4961. What is the chemical reaction with copper?
  4962. How does a person die immediately after taking cyanide??
  4963. About the size of the atom.
  4964. Does Boric Acid Expire ??? or become B2O3 after 5-10 years on its own???
  4965. Extraction: Distribution Coefficient
  4966. The modern periodic table
  4967. How do you find the number of hydrogen bonds between molecules?
  4968. Caculating the enthalpy change of reaction from delta T values(experimentally)
  4969. numbers if molecules for differnt velocities in gas
  4970. hybridisation of Mn in MnO4-
  4971. Orbital Hybridization - Real or Approximation
  4972. Anomalies of H20
  4973. Looking for a safe endothermic chemical reaction
  4974. Mesomeric effect in acids.
  4975. how to choose a reduced or oxidated form in a redox
  4976. How to avoid formation of Lithium Chromate ???
  4977. [ask]electron inside drinking water
  4978. Safe nitrogen compound to decompose a 500 deg C in a furnace?
  4979. Boiling and melting point of impure substances
  4980. How to determine zinc in a plant.
  4981. How to tell if ionic compound has a higher melting point?
  4982. Reference electrode
  4983. Bond Polarity vs Bond Length
  4984. order and molecularity
  4985. Ion-dipole effects vs. atomic radius
  4986. why zinc is metal?
  4987. Test for Fluoride ions?
  4988. Electrochemists brain teaser-copper electrolysis