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  1. expirements used to find avagadro's number and molecular dimensions
  2. The bonding in aluminium oxide
  3. information on diamine complexes [hg(nh3)2]cl2
  4. measuring the concentration of dye
  5. Combining H2 with 0
  6. Bacteria vs. Acids
  7. Nobel prize in Chemistry
  8. pressure chamber for reactions
  9. Ziegler-Natta polymerization of ethylene
  10. Solvent insoluble in THF
  11. Why is water not flammable?
  12. Non Linear Optical materials
  13. Helium question?
  14. Stoichiometry Problem
  15. Hybridization Websites
  16. Syntetic opal
  17. Is bitumen a polymer
  18. signal/noise in Raman spec
  19. Gases
  20. Conway microdiffusion analysis
  21. Hydrochloric acid as 7th highest searched topic on Yahoo
  22. Predicting absolute configuration of molecules
  23. Solvent and UV/V spec
  24. I want to calculate degree of saturation of a brine with SG and temp known
  25. Is NO ferroelectric?
  26. PbO2 by electrolysis
  27. Silicone super ball
  28. Calculating Partial Pressures: Proving Dalton's Law
  29. Chemistry Research Idea
  30. Reaction Feasibility
  31. Exothermic Reactions
  32. UV degration of polymers?
  33. meterials with high heat resistance
  34. Electrolysis of water - Bubble control
  35. Energey Density of Carbon Monoxide
  36. Criminology - Stainer
  37. looking for vintage periodic table
  38. Trying to contain hydrogen
  39. corrosion
  40. chemicals for rocket fuel and superchemicals?
  41. how to measure formaldehyde?
  42. symmetry, absorbtion and benzene
  43. Propane burns invisibly
  44. exploding water?
  45. Quick Q - what readily-available metals won't corrode in electrolysis?
  46. How to dilute Light Paraffin /White/ Mineral Oil
  47. How solubility of oil in water is effected by temperature?
  48. Why are London dispersion forces attractive?
  49. New catalyst may impact energy storage (MIT, electrolysis)
  50. volatile constituents analysis
  51. Energy
  52. Help With Copper?
  53. Virtual colors for atom representation?
  54. transition metals
  55. copper (I) oxide
  56. H&E (hematoxylin and eosin) stains
  57. Making Hydrogen
  58. Rechargable batteries
  59. BTU Q's about burning water vs. burning gassoline...
  60. Cross-linking Polyvinyl Alcohol
  61. It Matters?
  62. Raman spectroscopy of protein plz help
  63. Data from a digital polarimeter?
  64. mysterious hydrogen
  65. Electroporating in Antiquity
  66. looking for a long life burner
  67. Protein folding
  68. Electrolysis of water 3
  69. recipe for preparing electrolyte
  70. i need big good reference wiht pucter
  71. Lead-acid batteries
  72. NCl3 (Nitrogen-TriChloride), a new fuel?
  73. a question of protein subunit symmetry and normal coordinate analysis
  74. Are hydrocarbons miscible?
  75. Should Toluene be clear or cloudy white?
  76. Crest White Strips
  77. Chemical Etching of Iron and Gold
  78. Electrolysis mystery
  79. Nitrous Oxide thermal decomposition
  80. Finding molecular formula from volume of products
  81. CDCl3 for NMR
  82. Fluid properties of a diesel exhaust
  83. Raman Microscopy - simple question
  84. How to make a lead-dioxide cathode?
  85. Radium
  86. What is the meaning of chemical energy, in terms of first principles?
  87. Would benzene be able to conduct electricity?
  88. Ethlyne glycol question
  89. Dissolving the powders in tea bags
  90. Creating high-contrast optical mask?
  91. Mass Spectrometry results question
  92. Can you make this addititive from common (perhaps household) materials?
  93. Synthesis and toxicity of hydrazine
  94. How do I determine volume of salt water mixture before mixing?
  95. charge carrier concentration measurements in working electrode
  96. Oxidation proof metal mesh?
  97. Does the smell of a substance diminish wrt time?
  98. Producing hydrogen using electrolysis while avoiding chlorine poisoning
  99. Crystal Babies
  100. Biochemical Organic Machine
  101. There is no conservation law for acids/bases, right?
  102. pKa values for weak/strong bases
  103. Why is the dehydration synthesis also called a condensation reaction?
  104. Why don't lakes freeze solid?
  105. Where do 35S and 32P come from?
  106. Rust on Surgical Forceps
  107. Electrochemistry: Stability test of reference electrode
  108. Natural vs Un-natural
  109. electrochemistry:battery
  110. pH of Store bought Vinegar
  111. Why H2O2 and Not H20??
  112. Monoprotic Acid
  113. Modification of Riemer Tieman reaction
  114. Humidity of non-H20 chemicals
  115. Heat Treatments on Gems
  116. chemical cleaner design
  117. Atomic Emission Spectra
  118. I don't understand "per cm"
  119. Water detection stickers on cell phones?
  120. below zero Kalvin
  121. Temperature changes and heat
  122. i need information about ice calorimeter plz help me.
  123. Hard Contact Lenses
  124. An interesting Contest!!
  125. Separating oxygen from air
  126. Ammonia and polycarbonate reaction
  127. relationship between surface tension and the shape of a liquid drop
  128. Organic Chem Syntheses
  129. LCD twisted nematic molecules
  130. Mass Spectrometer Question
  131. Oxidizing power of potassium chlorate vs. nitrate
  132. Why didn't my triple point experiment work?
  133. determining charges of elements...
  134. A/B Extraction Theory
  135. carbonated drinks
  136. metallic hydrogen
  137. Hardness vs. Weight
  138. short & simple viscosity question
  139. quick valence question
  140. sulphur trioxide
  141. NMR: Methyl proton coupling?
  142. where can i find best book
  143. Anilinium hydrochloride intermediate formation
  144. Barking dog reaction?
  145. Etching Glass using Alkalis
  146. self heating drinks
  147. Sources of iron in the house and fire question
  148. Chemical Binding Energy
  149. Why does oil stick to steel better than water?
  150. 100% ethanol ??
  151. labelling crucibles
  152. Cat urine in pool chemical room
  153. Qc of two step sequence
  154. keto-enol content
  155. Can we predict a complex molecule's shape?
  156. Oil & Water - the horrible mix
  157. If a reaction is not spontaneous is there any of making that reaction occur?
  158. molecular level
  159. Methane from Carbon Dioxide and Hydrogen
  160. Caustic(Sodium Hydroxide) corrosion problem
  161. need halpe plz
  162. Temperature & Humidity
  163. Molecular dipoles
  164. Difference in simple and fractional distillation
  165. How can you make ice "sink"?
  166. Looking for a particular intro book on common molecules
  167. Decay/Reactivity of DMSO and MSM
  168. redox tutorials
  169. Activity and concentration
  170. Helium Source in HPLC
  171. thiolation
  172. Chemoluminesent or phosopholumesent rxn
  173. dissolving sodium carbonate
  174. Effects of heating up different fat acids
  175. organic spectroscopy
  176. Determination of Equilibrium Constant
  177. bleach and vinegar
  178. Zinc and Hydrochloric Acid
  179. How batteries affect soil? Emergency
  180. AWESOME hydrogenation reactor
  181. mineral and their composition
  182. simple aid to Brita filter for declorinating tap water.
  183. Ideal gas probs
  184. Which ∆H should I be using in my chemical equation? In my potential energy diagram?
  185. Essay on the Lithium ion battery
  186. Ibuprofen equation?
  187. Organic element symbol "R"
  188. Alcohols and ethers
  189. Acid + Alcohol
  190. Acid/base solubility
  191. Does temperature decrease
  192. Pretty basic chem/density problem: finding density of irregular shaped soluble solid
  193. frost physics
  194. Bring your innovative mind here
  195. Organic chem q on breathalyzer
  196. Program for chemical model and formula
  197. Weird Reaction..?
  198. How could i dissolve iron powder
  199. Need assistance
  200. Melting metal
  201. Exothermic reactions
  202. Salts and ionic compounds
  203. Instant Heat Packs
  204. Making iodine from potassium iodide and...
  205. Writing symbols
  206. CA Glues
  207. Linus Pauling's book
  208. Half-Life of Chromium Picolinate
  209. Spontaneity
  210. Citric acid
  211. Solubility
  212. Kitchen Chemistry
  213. hydrates
  214. [SOLVED] Sodium monohydrogen phosphate
  215. Salty versus Saline
  216. Can an IPOD be recharged using electrolytes?
  217. Does NaCl dissolve in HCl?
  218. Does anyone have a Blackwell Synergy account? Need a .pdf doc
  219. Titan full of Hydrocarbons?
  220. Water Vs Ice (Properties)
  221. Heat of Solution?
  222. Inductive effect
  223. Advice on Setup to React Natural Resin Esters
  224. Sodium Metabisulfite in SO2 production
  225. Lemon Battery Issues
  226. Car battery terminal corrosion
  227. increasing acidity n basicity
  228. Hydrogen as an additive to diesel fuel?
  229. Water stains bath tub blue
  230. Why does toilet roll absorb water?
  231. Diamond compounds
  232. Would the universe rotate plane polarized light?
  233. Stupid Question about Hetero/Homogeneous mixtures
  234. lithium battery question
  235. Acidic Water Molecules
  236. Diesel fuel
  237. Why is dichloromethane a good organic solvent?
  238. ultrasonic processor
  239. Oxidation of Borneol
  240. Recommended Physical Chemistry Text
  241. Why Gold is more dense than lead?
  242. Reaction with AgNO3-What happened?
  243. Neutralization
  244. Calorimetry
  245. chemical equilibria
  246. Temperature definition
  247. calibration of a thermometer naphthalene
  248. Enzyme Thermodynamic/Kinetics Question
  249. Octane Numbers
  250. molecule fo gasoline
  251. concentration of synthesized nanoparticles
  252. hot water can cool faster than cold
  253. [SOLVED] explosives in a vacuum
  254. elements
  255. A good chemistry book
  256. Gas Chromatography
  257. chemistry on Mars, living or not?
  258. electrochemical current
  259. Freezing point depression
  260. Structure of Atom 117 & 119
  261. A practical reaction?
  262. Airbags!
  263. Aspirin
  264. Hess's Law
  265. Should I write my will now? Going to use 1.5 moles of t-buLi tomorrow.
  266. ASA Titration
  267. alcoholic question
  268. Titration method to determine HCl concentration in a mixture
  269. silicon-oxygen tetrahedron
  270. Doing a presentation. Need some pointers.
  271. Experiment outline on Tap Water vs Bottled Water
  272. periodic table in another planet
  273. conversion
  274. Extraction of ethanol
  275. question on C13 NMR...
  276. Spectrometry-SiO2-need help
  277. A question on PLANT EXTRACTIONS.
  278. ammonium hydroxide Percent to normality conversion
  279. van der Waals' forces
  280. are the ions at the edge of an ionic crystal complete spheres?
  281. Explanation for "hydrophobic"?
  282. Phosphorous in soil
  283. Good computer for running electronic structure calculations?
  284. When does dissolving occur?
  285. 3 inch iron long
  286. detect/check flexible/rotatable bonds
  287. Bases
  288. Instrumentation & calibration curve related
  289. How much oxalate?
  290. Chlorfoam
  291. Centrifuge question
  292. Lab preperation of Ammonium ferric citrate
  293. Ise
  294. Solubility of compound in solutions other than Water
  295. intramolecular cyclization of triflate/aniline
  296. Equilibrium in a closed pop bottle
  297. Recomend a good chemistry text
  298. Effect of accel/velocity on chemical reactions
  299. Question on Egg
  300. safely storing sulfuric acid
  301. reducing iron in water
  302. looking for a lab
  303. Inhibition of ATP Synthase
  304. [SOLVED] Is it the protons or electrons that are responsible for an element's propert
  305. Effect of aqua regia on P, S, C and Si?
  306. Why do strong oxidizers and hydroxide not react with each other?
  307. physical chemistry textbook without a lot of calculus
  308. Question: Adding Strong Acid to Buffer
  309. Production of artificial radioisotopes
  310. Loved General Chem, but not so much Organic ... what's next?
  311. What major of Chemistry is dealing with toxic?
  312. Chemistry - Common Ion Effect
  313. The simple question
  314. [SOLVED] Removing Pb from water
  315. Free Energy of Dilution
  316. pH problem weak acid and weak base
  317. bis-(dimethylglyoxime-nickel (II))
  318. Cavity Microelectrodes
  319. Delta Heat of Formation
  320. identification of group 2 metal salts
  321. Combustion, or not Combustion?
  322. Dealing with saturated solution(ish)
  323. [SOLVED] Quickie; what reaction
  324. [SOLVED] Physical chemistry problem
  325. Formaldehyde and boiling points
  326. [SOLVED] Electron Configuration
  327. [SOLVED] Cyclopentane to Cyclohexane
  328. [SOLVED] 1,5-pentanediol vs 1,4-butanediol cost
  329. How to Find E°cell Values
  330. Equilibrium Position - Effect of Dilution
  331. Chemical Equilibrium Characteristics
  332. Seemingly simple question.
  333. [SOLVED] Chiral Purity (enantiomer excess) for HPLC
  334. mass rate transfer
  335. Representing Chiral cyclohexane on a chair conformation
  336. Refractive index data base needed
  337. REDOX titration of bleach help!
  338. Concentration of ammonia in a solution
  339. [SOLVED] Carbon Nanotubes
  340. How to picture orbitals?
  341. equilibrium partial pressures
  342. VLE DATA FOR hydrogen sulfide N diethanolamine
  343. Strontium Chloride + Copper (II) Sulphate Pentahydrate --> ?
  344. Help!!
  345. Free Energy of Reaction
  346. Salt Bridges in Voltaic Cells
  347. Molecularity question
  348. Metal Colors?
  349. sodium acetate
  350. [SOLVED] Mircoscale techniques
  351. My cleaning solution changes color when I distill it
  352. [SOLVED] magnesium and acid rates reactions
  353. synthetic substance
  354. [SOLVED] Acid/Base Theory
  355. Chemistry
  356. Suggestions Needed!
  357. How to Excel Analytical Chemistry
  358. problem with atomic spectometry
  359. [SOLVED] Clothes and chemicals don't mix
  360. Question about washing product
  361. Dpph
  362. Glow sticks
  363. ions
  364. abundance of isotopes
  365. The quadratic formula and equilibrium problems
  366. Hydrates
  367. Physics of Energy Drinks
  368. New, and need help with gas to liquid chemical
  369. physical chemistry
  370. Chemistry Extended Essay
  371. pH, Buffers, and Dilution question
  372. molarity-density relation
  373. Analytical Marathon?!!
  374. Nobel Prize in Chemistry 2007
  375. Oxidation
  376. Using Common properties of Solids in Life
  377. brine electrolysis: question
  378. Name of Apparatus to use?
  379. General Chemistry for Beginners
  380. Equilibrium Constant Expression
  381. What are some good books/websites for Analytical Chemistry?
  382. Calorimetry HELP!!
  383. vapor pressure question
  384. Predicting when a liquid flow will break into droplets
  385. Extraction
  386. Specific Heat capacity of solid NaOH?
  387. I feel like everyone is at the organic party but me :(
  388. Coolest chemistry at-home experiments
  389. Spectroscopy
  390. Testing which vitamins work best?
  391. Another Iron Oxide question
  392. Buffers.
  393. BORAZINE question HELP please!!!!!
  394. alchemy
  395. electronegativity and dipole moments
  396. Packaging seals
  397. Vulcanizing soybean oil
  398. sugar vs. aspartame test
  399. Vapor pressure of Thallium Iodide.
  400. Need of information about a hydrogen oxygen fuel cell
  401. why reactive metal form stable compound?
  402. Making Buffer Solutions
  403. Chemical bonding, is this book good?
  404. AP Chemistry
  405. Electrolysis of water 2
  406. Electrolysis of water
  407. Stoichiometry of gasoline
  408. thermodynamics question, need help
  409. Aerogel and its applications
  410. stevia extract
  411. Seperation of sodium and potassium carbonates
  412. Softness/hardness
  413. Arresting mold and mildew growth
  414. Electrolytic vs. electrochemical vs. galvanic cells.
  415. Kjeldahl-Nitrogen
  416. Adrenaline
  417. Electric arc
  418. Amonium Poly Cret
  419. Saponification and Esterification
  420. iron oxide
  421. What is this molecule?
  422. Do chemists have an abonormaly high rate of cancer?
  423. [SOLVED] Sites with IR, 1H NMR, 13C NMR, and mass spectroscopy?
  424. Water and what make gas?
  425. Probability Ellipsoid
  426. Distilling Ethanol by Refrigerating
  427. Sulfur
  428. Question about the Purity of KClO3
  429. Chemical burn
  430. Illegal/Dangerous Activities
  431. Energy from methane
  432. Exothermic reactions that release hydrogen?
  433. Colliods?
  434. Let's kick it up a notch
  435. Carbon
  436. Iron compound
  437. please give me stronger oxidant than water which can't kill my body?
  438. 15% citric acid solution
  439. Precipitates
  440. Lab Experiment for Preparation of Ammonia
  441. Maxwell-Boltzmann Distribution Calculations
  442. Electrolysis
  443. High school chem project [preferably on toxicology]
  444. Deet
  445. Elderberry coloring oil
  446. Chemical detection by irrediation?
  447. Solvent washing
  448. Boiling solvents
  449. Copper Impregnated anodes
  450. Isolation of a Pure Substance
  451. Oxidation and Reduction
  452. Organic Chemistry help
  453. NH3 and Transiton complexes
  454. Burning Hydrocarbons with by products
  455. Moles and atomic weights
  456. Isolating chemicals
  457. IR/Raman spectra and symmetry
  458. Aluminum Chloride Solution
  459. Acetone volatility
  460. Retrieving rust from oxidized steel wool
  461. Design of a chemical reactor
  462. Grubbs olefin metathesis
  463. Salting in? Salting out?
  464. Reciprocal Salt Pairs
  465. Labs & simulations
  466. Slippery elm
  467. liquid batteries
  468. difference in voltage
  469. Titration ph
  470. Memorizing Cations & Anions
  471. Conductive liquids
  472. Alkaline Metals + Water
  473. Acetates
  474. Alka Seltzer Experiment
  475. Dielectric constant for octadecane
  476. Sun block that promotes Vitamin D production
  477. Series and groups
  478. Absolute Zero.
  479. LiAlH4
  480. Is there any difference between Miscible and Soluble?
  481. 2300 year old powerplant.
  482. why ???
  483. Scale question
  484. Bismuth compound
  485. Addition of alkali before extraction
  486. O2 + H2O is?
  487. diamond
  488. SDS vs. Dodecanol
  489. Quick question on CFT..
  490. Nitration Reaction
  491. Methanol R ?
  492. Wilderness Chemistry
  493. What Kind Of GlassWare?
  494. lab write ups at the college standard
  495. Quantitative test for sulfur dioxide in orange juice
  496. What happens at a "molecular" level?
  497. Neutralization
  498. NH3 adsorption at high pressure
  499. Why amonia is a base and not water?
  500. Pepto Bismol and HCl
  501. Purchasing Pure Elements
  502. Ununoctium
  503. plastic conductor???
  504. Fractional Distillation
  505. Quantitative Biuret's test for protien
  506. electroconductive gel
  507. how to know compound is explosive?
  508. Molten Salt
  509. Sodium-hydroxide
  510. Dissolving CaCO3 in acid.
  511. Crystal Field Theory
  512. Mixing household bleach with urine
  513. Why the bond angle of methane is 109 instead of 90?
  514. Complex Ion Chemistry
  515. Rust for art--how to & suggestions?
  516. where can i get the answer keys for AP Chemistry Free Response Questions?
  517. Ka of PBS
  518. CO2 bubbling in phosphate buffered saline (pH 7.4)
  519. Dmt
  520. Calculus project
  521. Born Haber Cycle
  522. molar absorbtivity database??
  523. powder puzzle
  524. oxidation #'s in [Re2Cl9]2-
  525. What is so special about benzaldehyde?
  526. Frontier Orbital Theory
  527. why the bond angle of water is 105 instead of 109?
  528. Ribose and Deoxyribose
  529. Chenistry help
  530. Atmosphere, Pressure, & Weather
  531. Pottasium permanganate thickener
  532. methane to methanol / a direct pathway ?
  533. What are those bubbles in my beer?
  534. The auto-ionization of H2O equilibrium
  535. stoichiometry & BCA table
  536. how to prepare the mixture of inorganic material
  537. how we determine conductivity of powder??
  538. potash
  539. Why do we crystallise the product??
  540. Creating water
  541. disolve chlorine
  542. what is the delta s and delta h
  543. how do you calculate delta G
  544. anyone know how to make super glue ?
  545. Solubility of tungstic acid-Need Help
  546. Salicin from willow
  547. Opinion on Peter Atkins textbooks
  548. "Chemical resonance is legitimate and universal"
  549. some trivial question please
  550. MO Theory, sp Hybridization question...
  551. Question
  552. Help me visualize electronic vibrations
  553. lipase; software
  554. forces
  555. C60 electronic structure
  556. Foundations of chemistry
  557. Separating an alloy
  558. how fast does liquid nitrogen expand
  559. Allyl Hexanoate Synthesis
  560. Will KNO3 potasium nitrate disolve in methonal and later burn
  561. Bonding-Antibonding Pair question.
  562. how do i determine whether a reaction occurs spontaneously
  563. Earth's atmosphere
  564. project help
  565. Wax bombs, how do they work?
  566. High voltage batteries, not 2V per cell
  567. Amorphous SiO2 reaction
  568. How to Separate Rust Iron (Fe2O3) into Ferum/Iron and Oxygen?
  569. How does a battery work and mostly those you can recharge
  570. Mercury
  571. extracting energy out of hydrogen and oxygen
  572. Separation of Mixture
  573. Making Wood Alcohol/Methyl Alcohol
  574. Different types and kinds of storing fuels
  575. How to make Methanol with involving electricity
  576. Ethanol for drinking, Ethanol for fuel.
  577. Looking for Phase change material
  578. decrasing solubility of quaternary ammonium compound in water
  579. acid-base equilibrium calculations in business
  580. Mysterious compound
  581. adsorption of hydrogen by palladium
  582. Reversible Thermo-Chemical Reactions
  583. A2 Salters OCR Chemistry
  584. AP Chemistry
  585. Paraffin wax
  586. can titration curves be modeled with a sigmoid function?
  587. NMR theory help
  588. Beer-Lambert Law question
  589. Nuclear Chemistry
  590. Filming Crystals
  591. ALuminum reactions with reagents
  592. Thin-layer chromatography
  593. What makes a molecule optically active?
  594. rust vs magnetic tape
  595. Zink chlorid electroplating?
  596. silicon vs. carbon
  597. Yield gone wrong!!
  598. Humidity and heat?
  599. How to mix parafin wax with chemicals
  600. Carbon Dioxide Extraction Inquiry
  601. Iodine electrode?
  602. Does anyone know the color of these species?
  603. Neutralizing H2S-- Rendering Hydrogen Sulfide in the air into a non-toxic state
  604. Gravity vs. Vacuum Filtration
  605. A question about chlorophyll
  606. Intermolecular forces >>> trends in London Dispersion Forces
  607. How to tell if fuel is contaminated?
  608. Qualitative analysis of Barium, Strontium, Calcium
  609. How to separate CO2 into C and O2
  610. Aviation Fuel
  611. duh- a bad question i know....
  612. Ionic isomers
  613. sulfur as fuel
  614. Quantum mechanics
  615. Equilibrium constant?
  616. Derivation of Eyring Equation
  617. anyone have a good example of an ester
  618. Cheaper ways to make lye
  619. question about kationts
  620. Hydrogen bonding. Why isn't Cl included?
  621. What happens to lead then you overhead it beyond its melting point
  622. Simple question about setting fire to acetone
  623. Byproducts from messed up gun powder
  624. Oil
  625. ice re-freezes quicker if hotter water used to melt it?
  626. Wierd reaction?
  627. How to Tell if an element is radioactive
  628. base, acid reactions?
  629. Salting out/salting in
  630. Chemical Compounds = Ionic Bonds?
  631. instruments in titration
  632. Why does fluorine make compounds volatile?
  633. redox for covalently bonded species?
  634. Clean the POM
  635. sodium bisulphite titration
  636. ozone in the atomsphere?
  637. van der waals parameters a and b
  638. cooking and titration?
  639. 31P and 19F NMR
  640. Degree of hydration in theory?
  641. The chemical reaction of club soda
  642. Aluminium ions are acidic?
  643. carbondioxide will increse acidity?
  644. Acidity?
  645. triprotic acid?
  646. hydro-
  647. A simple molecular drawing program?
  648. coordination metals?
  649. EDTA Determination
  650. Water H2O convert to Hydrogen peroxide H2O2
  651. ACS Exam
  652. How could you tell whether or not a molecule *could* have pi bonds?
  653. Copper corrosion
  654. Alchemy
  655. Plasma in a light bulb
  656. Brimstone (sulphur)
  657. Transforming Elements
  658. metal + nonmetal = covalent bond?
  659. Chemistry = electron reconfig?
  660. Graphite's delocalised electron?
  661. Contracting substance under decreased pressure?
  662. What attracts hydrogen?
  663. Copper Wire as Salt Bridge?
  664. molecule and compound?
  665. Why does steel change it's colour through heating
  666. electrical seperation of hydrogen bonds
  667. Van Der Wal's force doesn't add up
  668. Why colourless for main group metals?
  669. bullet proof materials
  670. In Chlorate Cell
  671. Guys pls
  672. phenol acidity
  673. Ybco
  674. In general, what is the best type of column used for fractional distillation?
  675. Basicity of NaSH compared to NaOH?
  676. Fractional distillation
  677. Polarized light
  678. Please exlplain this to me
  679. mixture
  680. stoichiometric and non stoichiometric defects in the crystal lattice
  681. stone wash denim
  682. Zumdahl's Chemistry
  683. How to calculate?
  684. Blue plasticine-like mass
  685. Vinegar and steel
  686. water bottle explosion with acid smell
  687. Potential Energy
  688. World War II Questions.
  689. Hydrogen Fuel Cell
  690. Acid For Plaster of Paris
  691. halogens/Halides
  692. Nano wires
  693. Very Odd Residu
  694. Shape of salt crystals
  695. Precipitated Carbon
  696. Isoleucine
  697. Standard Enthalpy of formation
  698. need polymer books
  699. Replication of Photosynthesis Through Chemisty?
  700. Fischer-Tropsch process
  701. Hybridization
  702. Addition Polymer Degradation
  703. Rum + Fruit Punch, aceitic acid limiting reagent?
  704. H2SO4 + Sugar Reaction?
  705. Calculating the outcome of a reaction, how to?
  706. Oxidation of KMnO4
  707. The Wax
  708. Al in CuSO4
  709. Electrolysis
  710. generic elastomer question
  711. Pd cats. for Suzuki microwave rxn.
  712. 2 qn regarding rxn of copper sulphate
  713. Periodic Tables
  714. predicting chemical reactions
  715. Epn
  716. half Life of radioactive insulin
  717. Atomic Orbitals vs. Molecular Orbitals and Hybridization
  718. Plastics Acids
  719. Heat Treatment of Aluminum Alloy
  720. Diels-alder reaction
  721. Why isn't water a gas?
  722. Polymers and Acids
  723. Oscillating Reactions
  724. At what temperature water decomposes into hydrogen and oxigen?
  725. Buckministerfullerene (C60)
  726. Metal Alloy Texts
  727. BioDiesel
  728. Hybridisation
  729. Conductivity
  730. Conversion Help Please
  731. Poisonous and Infectous
  732. long chain of c=c carbon double for room temp superconductivity
  733. copper chloride1
  734. Chloralkali Process
  735. I Need Experiments
  736. am stuck
  737. Some Organic thing...
  738. Need Advanced Chemist
  739. A question about water
  740. Weak Acids and Strong Bases
  741. Dissolving Ethanol
  742. help with a problem please?
  743. Strontium Compounds
  744. Pressure/Gases
  745. ion
  746. Hybridisation in d-block elements
  747. Stronger than Kevlar? (#2)
  748. Peltier's Effect
  749. Coating Al and Cu simultaneously
  750. proton exchange membrane
  751. Quick polymer nomenclature
  752. The Ultimate Question
  753. gaseous water- no need to drink.
  754. Stronger than Kevlar?
  755. working with NaF and KF
  756. Structural stability
  757. changes in glass after heating
  758. Chemical Bonding - Polar bonds
  759. Answer This If You Can
  760. Paramagnetism/Diamagnetism Predictions
  761. Making your own plastic?
  762. Atomic number and
  763. Rusting in the fermentation room. Explanations?
  764. Molecules with Odd Electrons
  765. Elements that react with crystalline
  766. did zinc react with zinc sulphate solution?
  767. hcl gases recovery
  768. Boron esters and oxygen removal
  769. Properties of matter
  770. can not open IR spectra file
  771. atomic mass units
  772. Different Rates Of Corrosion
  773. Distillation Technique
  774. Convertion from nanometers to CIELAB values
  775. Chem Concept
  776. why do electrons repel?
  777. more tetrabromoethane questions
  778. KNO3 Purity
  779. Sulfur Extraction and Potassium Nitrate
  780. Truth in MSDSs and Tetrabromoethane
  781. Historical question concerning Moseley's experiment
  782. Gas Producing Chemcial Reactions
  783. Acid Reaction
  784. Phase Changing substance: please help me out
  785. Ice Cream
  786. Hello friends........
  787. TiO2
  788. Preparation of Chromium (III) Salts
  789. How do I get galvanized steel to rust?
  790. Chemical Blogs
  791. Shampoo
  792. Galvanic Cells
  793. ice cream and freezing point depression
  794. Electricity and impure water
  795. Making molecules?
  796. 2,3-dimethylindole
  797. Eutectic point
  798. Chemistry Texts
  799. Isomers of Pentene... So confused!
  800. Galvanic cell
  801. How to measure concentration
  802. Alkyl groups
  803. Quick Questions
  804. Where exactly do you get the chemicals to do your own experiments?
  805. Sorry if this sounds suspicious..
  806. Separate by boiling
  807. stereoisomerism problem
  808. Acids and Bases ?
  809. ochem energy calculation - correct answer?
  810. Conductive Glass
  811. Tautomerism
  812. Chemistry review books?
  813. Water potential
  814. Melting point at high pressure.
  815. Perfect battery
  816. Hess's law
  817. Anti-grafitti stuff
  818. Can you unburn toast?
  819. Why is C not 12g/mole?
  820. Name of structure
  821. Articles
  822. Oxygen Absorber
  823. Fischer-Tropsch Synthesis and Catalysts
  824. Violation of octet rule
  825. formation of H2O?
  826. Proton sink?
  827. Strontium Odor
  828. Will Cast Iron dissolve in dil. or conc. acid?
  829. Electroplating Brass
  830. Hydrogen -> Tritium
  831. Catalytic decomposition of nitrous oxide?
  832. Partial thermodynamic equilibrium and Gibbs energy minimisation
  833. Light emitting chemicals and electromagnetic fields.
  834. does water/ or solid have concentration???
  835. slick to the touch
  836. never took chemistry before
  837. does water have concentration
  838. Discovering the Origin of Life through reverse-time physics simulation.
  839. Iron-oxide (rust) making question
  840. Fire in pure oxygen
  841. Polycarb Vs. Acetone
  842. Can Hydrogen undergo PI bonding?
  843. Activated carbon vs. Typical bonfire coal
  844. alexander shulgin
  845. Split Water
  846. Oscillating Reactions
  847. Is zero ever a valid point?
  848. Benzene and electricity
  849. Help! determining Keq using NMR
  850. Best way to neutralize alcohol in your body?
  851. metal matters and nano technology
  852. Soap Making - Chemistry Project
  853. Why do F- and OH- have negative S values?
  854. Help me find a chemical
  855. Tcc
  856. how does a fart bomb work? lol
  857. Consistant Periodic Table
  858. Nitrogen Valences?
  859. spectrometer wanted
  860. What Happens When Atoms are Compressed?
  861. Liquid drop contact angle: THF, mica & graphite
  862. pH and Electrolysis
  863. Measure Rate of Reaction
  864. IR Spectrum Query
  865. Question on Silver Chloride (gravimetric analysis)
  866. Calling all chemists!
  867. Physical Chemistry
  868. Quorn
  869. Nitro Glycerin
  870. measuring activities with a Knudsen cell
  871. Help please
  872. Reaction: Heat will slow down?
  873. chemistry demonstrations
  874. benzo-diazpene
  875. Software
  876. How could you chemically detect peptide nucleic acid?
  877. Ionizing air purifiers and arcing
  878. Molar Ratios
  879. molecule rendering software
  880. reason for optical activity(of optical isomers)
  881. Mole Concept
  882. Interesting question
  883. Narcotics and how they affect the body.
  884. Carbon-14 dating.
  885. Crystal Violet and NaOH
  886. Cu(en)2 ??
  887. Spectroscopy Discussion Thread
  888. Split from Spectroscopy Discussion Thread
  889. which acid?
  890. molecular modeling
  891. Kinetic or thermodynamic?
  892. Scalewizard
  893. Energy from air
  894. Where to buy buckyballs???
  895. Obfuscation around the time of the Big Bang
  896. biochemistry coursework
  897. Heat Absorbing Materials
  898. What is silanol and what could it be used for?
  899. Water desalination plants
  900. what is with all the homework question in the chem forum?
  901. Poisonous and Combustive
  902. Website Question
  903. Ethylene & Acetylene
  904. boiling stones
  905. Problematic "Synthesis" of Sodium Acetate
  906. Helium question
  907. Main chemical in robitusson?
  908. Synthesis of benzyl alcohol
  909. Crash Course in Chem
  910. stoichiometry
  911. Potassium oxide question
  912. Q: chemistry of vanilla oil?
  913. how to test for methanol?
  914. Chemically dissolve aluminum?
  915. Celluloid and Bakelite
  916. How to test for the sweetness of substance?
  917. Chemical equation
  918. Viscosity of the system?
  919. Ahhh! Titanium Chloride!!
  920. Fuel Cell System
  921. Store energy in lime CaO?
  922. Electrolysis
  923. The Chemistry Of Sweetener
  924. Pyrolytic/Graphite/Diamond
  925. dry ice substituting for liqud nitrogen?
  926. Indirect ways to estimate latent heat of fusion?
  927. calculation of absorptivity
  928. Chemistry and Viscosity
  929. Easiest way to find out if oxygen is produced
  930. P-man is Back as the P-manator... Anyways, Fuel Cell Info Needed (Again)
  931. Deriving the rate laws for first and second order reactions
  932. if someone ask about optimum orientation
  933. pcb
  934. Sodium dodecylbenzene sulfonate
  935. Making Fe3O4
  936. Question on the boiling points of ketone compared with aldehyde
  937. Looking for a cool Chemistry Project
  938. Nickel-Aluminum CatalystInfo Needed
  939. Superoxide and preoxide
  940. Bovine Serum Albumin and Varous Ions
  941. Dialating materials
  942. Transition Elements
  943. What are some blue organic compounds?
  944. Any computational chemists have any advice?
  945. Applied Chemistry Question :)
  946. Greenhouse gases
  947. LiAlH4
  948. Hybridization
  949. Simulation of Radioactive Decay
  950. Nickel Catalyst Experiment
  951. TOF Mass Spectrometers
  952. Making Iron-Oxide
  953. Dipoles
  954. Fossil fuels or mantle derived hydrocarbons?
  955. Has anyone heard of P and M notation???
  956. Nucleophilicity of Acetylide ion
  957. Rubber!
  958. structure of solid CO2
  959. Good book for introduction to chemistry
  960. carbon ions
  961. simple atomic radius question
  962. Removal of benzoyl peroxide From PMMA
  963. Making Copper Oxide
  964. acidity of fumaric acid and maleic acid
  965. Pleez Help Me!!
  966. Density of pure L-Proline
  967. Why would white phosphorus burn flesh bu not clothes?
  968. Orbital Diagrams and Electron Configuration Notations
  969. This might seem an immature question...
  970. Polyatomic ions
  971. Canadian Chemical Suppliers
  972. Liq N2
  973. Optical Isomers
  974. Alaklides
  975. question about polarity
  976. Ethanol Viscosity 50% is max?
  977. Unidentified Chemical
  978. extract caffine from coffee beans / tea leaves
  979. Can magnesium Sufate ionize?
  980. IUPAC Nomenclature
  981. Please Respond!
  982. Lewis Structures....
  983. Metal Fuel
  984. Line Spectrum of Mixtures
  985. blue lake test.....HELP
  986. enthalpy query...
  987. Single Molecule Nanocar
  988. importance of enthalpy
  989. Zumdahl text users
  990. Magnetic sphere in electrolyte
  991. Copper Ion Flame Test
  992. Nickel Catalyst Experiment
  993. urgent problem with round bottomed flask
  994. Help with stability of full valence shell
  995. Help on 19F-NMR
  996. Rare metals
  997. Graphite Cost
  998. teflon and alkoxides?
  999. GC elution order
  1000. Funding.
  1001. Rust Filtration?
  1002. Collecting Hydrogen during electrolysis.
  1003. Flammable Bouncing Balls
  1004. markownikoff's rule
  1005. Distilled Water and Polyatomic Ion
  1006. water behind the microwave oven
  1007. Thermodyanmics question.
  1008. Where to post chemistry homework questions (NOT HERE)
  1009. separating substances under lower atmos press
  1010. Notes on different synthetic organic substances
  1011. Boric Acid Esters
  1012. Electrochemistry
  1013. is that possible?
  1014. 2005 Nobel Prize in Chemistry
  1015. solids disolved in liquids
  1016. Changing taste of wine with a magnet?
  1017. Is instrumental analysis the worst chemistry class?
  1018. types of charges?
  1019. How to measure an emission spectrum?
  1020. a distillation procedure, product safe to drink?
  1021. Gibbs phase rule
  1022. First and Second order phase tarnsitions
  1023. Cation Solubility
  1024. Metal Reactivity, Part II
  1025. Net Ionic Equations
  1026. Critical Density and Vander Waal's Equation
  1027. Enzymes
  1028. electron dot diagrams
  1029. needing help
  1030. Extraction question
  1031. Which is the stronger acid?
  1032. Neutralization (Acid-Base) Reaction
  1033. Quick acid question
  1034. Milliken Oil Drop Experiment. Help Please.
  1035. Testing the purity of a protein
  1036. Oleic acid
  1037. Water's boiling point and table salt
  1038. Electron Configuration
  1039. Relationship between molarity & concentration?
  1040. Bromine from BCDMH
  1041. Heat of Reaction
  1042. Chemistry book online
  1043. How do you add equations
  1044. Zinc and Acids
  1045. Hrlp Please...
  1046. Metal Reactivity
  1047. Gravimetric Analysis-- Questions
  1048. Catalyst
  1049. Mass Ratios and Mutiple Proportions
  1050. Two basic chemistry questions
  1051. Ionic chrystal
  1052. chemistry help
  1053. Beer-Lambert Law
  1054. cyclohexene and toluene + sulfuric acid
  1055. Toluene + bromine
  1056. Dipole Dipole and Lewis Dot structes
  1057. Spectroscopy Questions
  1058. Law of Multiple Proportions
  1059. Chemistry Equations Using TeXaide
  1060. some desperate chem help
  1061. Proving inflection points - Titration
  1062. Energy per Volume Crated by Best Chem. Reaction
  1063. Molar absorptivity of iso octane
  1064. Organic chem. study guides?
  1065. Chemical formula and thoretical/percent yield.
  1066. Corrosion and EMF Series
  1067. Calculating pKa
  1068. Organic chemistry question
  1069. Net Ionic Equations
  1070. Dissociation of glycine
  1071. Stainless Steel
  1072. IB HL Chemistry Lab Suggestions
  1073. Impossible to centrifuge salt out of water?
  1074. Trying to find a Solidifier that is water Soluble
  1075. Nucleus Charge
  1076. Free Nomenclature Naming Programs?
  1077. Intermolecular forces problems
  1078. Iron, Sulfur, and Hydrochloric Acid
  1079. Invetigatory project
  1080. dissolution of corrosion product over inconel 600 and SS304
  1081. Molarity---Organic lab help
  1082. Boiling points
  1083. my drinking water...
  1084. hydrolysis of ROH
  1085. c18 hydrocarbon
  1086. infared ray absorption
  1087. need help with an easy question on valence bonds
  1088. Dissipation of stored energy
  1089. chem word problem !! plz help
  1090. Introducing Molecular Workbench
  1091. Stable translucent colloid solution
  1092. Looking for a colour changing dye
  1093. Chemical Drawings
  1094. Organic Questions
  1095. Chemical and Physical Changes
  1096. water filtration sysyem for relief in N.O.
  1097. Polycyclic Nomenclature
  1098. designating hybrid orbitals
  1099. Help with test for anion in Copper Chloride
  1100. Online course on drawing the structure given the IUPAC names
  1101. Hyperconjugation???????
  1102. biochem thermodynamics
  1103. Significant Figures
  1104. quick simple H-bonding question
  1105. rare element
  1106. Shells & subshells!
  1107. Pauling scale
  1108. Equilibrium Frustration.......
  1109. NaOH Corroding Metals
  1110. What is conduction band?
  1111. What are delta bonds?
  1112. food coloring
  1113. About Williamson ether synthesis
  1114. Mixing Nucleus.
  1115. electrolysis variables
  1116. Thin Lead Chromatography help
  1117. Why does water have a high specific heat?
  1118. Lactase query
  1119. green tea
  1120. base plus base?
  1121. Acid/Base pH
  1122. Electrochemistry
  1123. chemical equilibrium
  1124. reaction kinetics
  1125. exp'al set-up
  1126. methyl amine w/ a sulfonyl chloride
  1127. What makes water safe/unsafe to drink?
  1128. Red phase oxygen...
  1129. organic Xenon polymer
  1130. law of multiple proportions
  1131. ACS in Washington DC next week, who should I go see?
  1132. help with working out chemical equations
  1133. The Cleaner
  1134. how to calculate polarity...basic, i know
  1135. solubility & acids
  1136. why rotational in vibrational??
  1137. topic for investegatory project
  1138. Supercritical helium
  1139. solubility problems
  1140. isomers of C6H10 and C6H12
  1141. colouration
  1142. questions about aluminum in electrolisis
  1143. Calculation of tetra
  1144. Stability of transuranic elements
  1145. Hot wax and cold water.
  1146. Electrolysis of Brine....
  1147. Predict whether the following reactions occur...
  1148. acid/base
  1149. Question for chemists about lanthanide-carboxyl structures and their formation
  1150. i need some helps....how does acid affect the ionization of water ?
  1151. trans-cinnamic acid
  1152. Help Determining the Activation Energy
  1153. pH of weak acid/weak base salts
  1154. Boiling points
  1155. Ethanol & Fermentation
  1156. chemical reaction & cooling
  1157. equilibrium constant
  1158. term symbols & degeneracy
  1159. I need Helps..... Decomposition Reaction WE
  1160. Oxygen tanks for diving
  1161. About Benzene
  1162. phase equilibrium
  1163. physical chem
  1164. The H-bond's strength
  1165. Chemistry Forums
  1166. Thanks So Much Every1!
  1167. density conversion
  1168. structural formulas
  1169. Making 50%v/v and 50%w/v glycerol solutions.
  1170. isomers for C4H8BrCl
  1171. Sodium Hydroxide and Plastic
  1172. ionization energies
  1173. Organic Chemistry
  1174. Science fair
  1175. Heat of reaction
  1176. Bond length = Bond strength ?
  1177. dissolving CO2
  1178. Lactic acid reaction question
  1179. polar
  1180. A universal constant?
  1181. An gas molecule problem
  1182. Silly NMR Question
  1183. Finding the value of the ionization for an acid
  1184. Oxidation numbers
  1185. Net charge
  1186. need help on moles calculation
  1187. Hydrolysis of ethyl ethanoate (soaponification)
  1188. Units of KJ
  1189. Conversion to Diol
  1190. atoms and ions radius
  1191. Chemicals in foods that produce "high"
  1192. Precipitate question
  1193. Need help w/Rydberg's formula
  1194. mrjeffy and associates...
  1195. Finding the resulant from the product
  1196. Buffer help.
  1197. Question about reactivity of substituted furan in H3O
  1198. This may sound rather silly
  1199. Drying Out Iron Chloride
  1200. check my work?
  1201. Using KF for electrolysis
  1202. citric acid
  1203. Aluminium Chloride
  1204. Alcohols + non-organic acids = ?
  1205. Ok, I give up, What is -Et?
  1206. Why do H+ ions not react with the atoms/molecules they're originally bonded to?
  1207. Why does rust not dissociate in water?
  1208. Organic chemistry - benefits to society
  1209. NaCl's viscosity
  1210. 2-methylbutan-2-ol bp
  1211. Pool Chemicals Burn Woman
  1212. Titration Help ASAP.
  1213. Equilibrium question
  1214. Volumetric Analysis
  1215. Major in Chem E, or Chemistry?
  1216. 'Plastic oil' could improve fuel economy in cars
  1217. Help understanding a lab - intermolecular bonding
  1218. No, No2 ?
  1219. Chemistry is so hard to understand when you're bored and tired...
  1220. Quick Check
  1221. nd hlp. calculating frequency
  1222. X-ray scattering
  1223. What characterizes an acid as strong?
  1224. Ionice equation help
  1225. electroylsis help
  1226. cathodic protection
  1227. Enthalpy Tables for various fuels...
  1228. Pls advice me
  1229. Quick deprotonation question
  1230. excess/limiting quantities
  1231. Nitric acid from gasoline
  1232. Similar Reaction Mechanisms
  1233. looking at reaction force on a molecular level?
  1234. Atom's Radius
  1235. Phenol-formaldehyde synthesis and solvent
  1236. basic question
  1237. oxidative cleavage of alkenes
  1238. cohesion of water
  1239. pH calculation
  1240. Tough Synthesis
  1241. Conjugate acids and bases
  1242. Fast oxygen absorber
  1243. ionization
  1244. Ozone and oxygen statement
  1245. electrophilic addition of bromine
  1246. Chemical elements
  1247. help about -ate
  1248. problem: weak acids
  1249. Equilibrium
  1250. Enantiomeric excess question
  1251. Equalibrium & Le chatliers principle
  1252. Questions about molec. geometry and electron pairing
  1253. Misc. questions/Inorganic chemistry
  1254. Inorganic chemistry: d-Metal complexes
  1255. Need help calculating percent composition
  1256. Nitrogen reactions
  1257. Double Displacement Reaction
  1258. Partial Pressure Calcs.
  1259. Pentanol Problems...
  1260. calc. the MM from decay and half life
  1261. How to crystallize water?
  1262. Heat given by a flame
  1263. How to balance equations using the half cell method?
  1264. Activation Energy
  1265. C5h11oh
  1266. question bout physical chem
  1267. Isomers
  1268. Chemistry of Water?
  1269. Titrations and pH indicators
  1270. Question about spectroscopic notation
  1271. 2 Quick Q's
  1272. Zinc Carbon Cell
  1273. Freezing Point Depression
  1274. Hydrogen Peroxide
  1275. Has anyone got a chemical equilibrium prac they could send me?
  1276. Opinions Needed on Chemistry softwares, Which is the best?
  1277. mathman@fliegler.com
  1278. KS and TS
  1279. Chemical calculator poll
  1280. What's the deal with esters?
  1281. Reducing Smoke
  1282. Light's interaction with particles...
  1283. pH calculation once again
  1284. Bromine
  1285. Production of sulfuric acid
  1286. red glow
  1287. pH and pOH and [H+] and [OH-] Problems..
  1288. My heads gonna burst-please help!
  1289. Heat of Reaction
  1290. heat of reaction
  1291. 2 Q's
  1292. Esterification
  1293. inept neutralisation
  1294. calculating the amount in moles
  1295. incorrect exam Questions
  1296. pH calculation
  1297. please help
  1298. Difficult question
  1299. Quick organic chem question\
  1300. Confused!
  1301. any computational chemists in the house?
  1302. how does ions affect rusting
  1303. does anyone know what color azo-dye..
  1304. Chlorine Poisoning??
  1305. some question need to be solved!!!!!
  1306. What part of air hits dust?
  1307. oxidation numbers
  1308. Chemical cell ! help !
  1309. CHEM EQUAtioNS HARD!!!
  1310. ACS Organic Exam... Who's taken it?
  1311. Redox Relapse
  1312. What Is Acyclic Isomer
  1313. working out the ph of CH3COONa
  1314. isomer separation
  1315. Urgent A2 OCR Planning help
  1316. Redox
  1317. basics please
  1318. How do I remove copper from water (be realistic)
  1319. Need advise about Industrial Chem!
  1320. heat of combustion
  1321. Finding Unknown Liquids
  1322. Enthalpy
  1323. Properties of CsF and NaF..
  1324. Chemical snow
  1325. Thermodynamically favored reaction
  1326. Detecting volcanic ash or meteor.
  1327. Infinite Energy With Fuel Cells?
  1328. help!!!!can anyone answer my question!!!!!!!!!
  1329. Chemical components in insecticides
  1330. Questions from Exam Grade 11 Just Check
  1331. any suggestions for inorganic chemistry problem books?
  1332. Diamond
  1333. Vinegar to methanol?
  1334. quick question
  1335. Canadian Chemical Distributors
  1336. Does pure gold oxidize(I truly need a long-time proffesional chemist)!
  1337. Acceptable GRE Score (Chemistry)
  1338. Chemistry Question - Help Needed
  1339. Question on the rxn of Alcohol and Carboxylic acids.
  1340. Sn1 vs Sn2 reactions
  1341. Please help
  1342. Two quick questions
  1343. Equilibrium
  1344. help
  1345. Simple question
  1346. Henry's Law Constants
  1347. Atomic absorption spectroscopy
  1348. PhD in chemistry
  1349. crystal ID
  1350. Silicon Surface Texture.
  1351. Equilibrium Question
  1352. Help!! I need to know how...
  1353. Acivation energy question
  1354. Chemistry joke
  1355. Why is Hydrogen so flammable?
  1356. Chemistry Question
  1357. absolute zero
  1358. Silicon dioxide
  1359. Will a long tube act like a fractionating column?
  1360. is this equation correct?
  1361. brown ring test
  1362. Chem Equilibrium Q
  1363. redox equations help
  1364. Chemistry Buffers
  1365. Potassium Chlorate and Sugar ignitor
  1366. geometric isomers
  1367. redox equations
  1368. where can i find a list of redox half equations?
  1369. Need Help!!!
  1370. UV visible spectroscopy
  1371. Rates of reactions
  1372. Why is the heat of formation for NaOH negative?
  1373. Solutions compared of solutes and solvents
  1374. Which will dissolve in water Castor Oil or Potassium Iodide?
  1375. Buffer solution
  1376. two equilibrium problems
  1377. Electrochemisty Concept- Help Plz
  1378. ASA Synthesis
  1379. what's the answer
  1380. Need help finding the formula of a compound
  1381. Question on Ionic bonds and compounds
  1382. Back with a brand new edition
  1383. Ferric Chloride: MSDS and safety precautions
  1384. A very specific equilibrium reaction...
  1385. Help! Urgent!
  1386. Equalibrium Problem
  1387. Some Equilibrium Problems
  1388. Two more for the champs
  1389. natural log of a pressure is...?
  1390. silicon inert?
  1391. Seperating with solubility
  1392. pH -- really basic, I know, but I'm tired
  1393. Pros & Cons of Citric Acid in Lemon Juice
  1394. Mercury + Aluminium Equation
  1395. Fast reactions
  1396. Predicting a reaction between ester and acyl halide
  1397. Coal Tar....wtf?
  1398. Nitrogen Organic
  1399. chemical makeup of tapwater
  1400. Undo Highlighters Chemical
  1401. Hair Gel
  1402. Identifying spectator ions
  1403. Martini Chemistry
  1404. Reaction Rate
  1405. Am I getting the correct answers for these Chemical Equilbium (I have a test tommorow
  1406. Fishing...
  1407. Shapes of structural diagrams-help!
  1408. Nopola polar covalent ionic?
  1409. Reducing Sugar
  1410. Concentration Citric Acid in Lemon Juice?
  1411. Separtion by paper chromatography
  1412. real gases
  1413. Bonding in Liquids
  1414. Grey and White tin
  1415. Explosives
  1416. Foggy mirror...
  1417. Crystal experiments
  1418. Review my work?
  1419. need help with simple calorimetry problem
  1420. Need help with titrations and buffers
  1421. flame color
  1422. Synthesis
  1423. changing molar mass at diff temp and pressures - help
  1424. bonding quest.
  1425. Am I doing these Chemical Equilibrium Mass Action Expression problems correctly?
  1426. Acid indicator question
  1427. Covalent bonds
  1428. the Bohr model of the H atom for anyone who needs it
  1429. Conjugate acid
  1430. Enthalpy
  1431. Gas Law problem
  1432. Enthalpy question
  1433. Another boiling point question
  1434. Atomic mass: Isotope question
  1435. Ore Mining question
  1436. Oxide coating question
  1437. Boiling point question
  1438. Oxidation number
  1439. nodal surfaces?
  1440. need help with rate
  1441. Very basic
  1442. Reaction of an organic acid with aluminium phosphate
  1443. help needed badly in understanding the concept of atomic masses
  1444. Acid Questions
  1445. Lewis Structure + Molecular shapes
  1446. pressure
  1447. Equilibrium.
  1448. Heat capacity
  1449. Making a gold solution for plating.
  1450. a mol question
  1451. molar mass
  1452. Specific heat question please help =(
  1453. Buffer Systems
  1454. Acid/Base Reactions
  1455. Calculating Heat of Combustion
  1456. Atomic structure
  1457. PV=nRT?
  1458. Formula
  1459. Back-titration help
  1460. Problem related to Alkenes
  1461. Stearic Acid combustion
  1462. Chrome alum
  1463. Swimming pool chlorine questions
  1464. A good smoke bomb.
  1465. please help with equilibrium problem
  1466. Absorbance and Stray light...helppp!
  1467. Specific heat - calorimetry??
  1468. thinking hard about errors in titration!
  1469. H2S + xxx -> Neutral
  1470. physical equilibria
  1471. two simple questions
  1472. Huh?
  1473. Molarity notation
  1474. Hydrocarbons
  1475. Why do onions make you cry?
  1476. Arrhenius equations; A2 Chemistry coursework
  1477. Figuring out the acidic % of a certain food
  1478. atomic theory in another planet - problem
  1479. Organic Chemistry: Haloform Reaction
  1480. Organic Chemistry: Formamide + Formic Acid
  1481. pi bonds for hybridizations
  1482. This Cannot Be Density In Chem
  1483. Thermodyamics
  1484. Residual Entropy
  1485. Catalysts
  1486. Catalytic reactions
  1487. EM radiation frequency
  1488. Which photon has the higher frequency?
  1489. Help!
  1490. Isoelectronic series?
  1491. pH
  1492. Why is the flow behaviour or viscosity important in the case of polymer?
  1493. Metals from ores..
  1494. What is the mechanism for demercuration of organomercurial alcohol?
  1495. Electron probability in oscillating hydrogen molecule
  1496. Metal Equation
  1497. Iron/Stainless Steel
  1498. Why do most reagents have potassium instead of sodium?
  1499. Ionic equations
  1500. Molecular Weight Question
  1501. Acid/Base Question
  1502. another universe
  1503. A hard electrochemistry question (in my opinion)
  1504. Acid-base titration
  1505. A quick chemistry Question
  1506. periodic table/electron config
  1507. Iron/Copper Age
  1508. Mixing oil and water
  1509. Finding Moles of ML?
  1510. when they combine
  1511. A question about calorimetry
  1512. Question about AMU & Temp. Conversions
  1513. Why sometimes is it more accurate to weigh liquids than to use a graduated cylinder t
  1514. Vapor Density: 1.3
  1515. thermochemistry
  1516. Creating Light
  1517. 10,000ppm hypochlorite
  1518. Partial Energy Level Diagram for Hydrogen
  1519. Wavelenght
  1520. enthalpy of formation
  1521. Ice
  1522. about crystals
  1523. Polybutene
  1524. density of sodium hydroxide
  1525. Heat of Vaporization
  1526. Spectrophotometry
  1527. hydrogen
  1528. Help with products of reactions
  1529. Zn(NO3)2 problem!!!
  1530. Hydrogen Balloons
  1531. Ph Problem
  1532. Schoolground environmental chemistry
  1533. Energy in Chemical Reactions
  1534. H/D exchange
  1535. Soda with melted ice
  1536. What is green copper?
  1537. help for ionization
  1538. How do flourescant lights work/run out?
  1539. Kinectics
  1540. Color of fire
  1541. Fossil fuels-- rescue me plz
  1542. What's the blue/black crap in the water? (electrolysis)
  1543. Electrochemical cell
  1544. Gas Law Problem.
  1545. Activity series in water
  1546. Which ions?
  1547. idle wonderings
  1548. quick help!!!
  1549. Calculating a Kis value for a competitive inhibitor
  1550. limestone, weathering, metal, word equation
  1551. Hydrogen bond
  1552. Lasers/ Atoms
  1553. Adding KNO3
  1554. Innocentive Challenge
  1555. Question about titanium tetrachloride
  1556. Gases
  1557. crystallization
  1558. A question about gravimetric analysis
  1559. Questions in conductivity of solutions
  1560. Sleeping Potion
  1561. Mercury Hg2+2 ion
  1562. Question about solutions.
  1563. synthesis problem - help plss
  1564. Please check these balanced equations!
  1565. Measuring rate of reaction via rate of temperature change
  1566. Gas laws
  1567. Fuels
  1568. Earth.
  1569. Fire Anyone?
  1570. net ionic equations
  1571. some basic concepts of chem
  1572. Volumetric estimation of iron(II)ions
  1573. Purchasing chemicals?
  1574. Disproportionation....
  1575. Etching copper
  1576. Question in regards to the equilibrium law and expressions
  1577. Finding pH and molarities
  1578. conjugate pairs versus not conjugate pairs
  1579. Corn Starch
  1580. self adhesive vinyl
  1581. Double Dissaciation Problem
  1582. Chemistry of Alkaloids
  1583. Inorganic Fertilizer
  1584. totally stuck!!!
  1585. Straightfoward chemistry question.
  1586. Nutritional information
  1587. Vapor Pressure
  1588. molar enthalpy of reactions...
  1589. bp and mp
  1590. American Chemical Society - Spring 2005
  1591. Simple question about calorimetry.
  1592. Equilibrum Concentration Problem
  1593. Burning Salt
  1594. enthalpy of neutralisation
  1595. To determine the activation energy
  1596. Biofuels?
  1597. Please Help!!!
  1598. recrystallization websites
  1599. vapor pressure
  1600. Finding major species in aqueous solutions!
  1601. Reducing agents
  1602. Acid!
  1603. Gas in windows?
  1604. Last Minute Question--Test Hours away
  1605. Spectrophotometry
  1606. Chemical Equilibrium, finding concentration
  1607. Question
  1608. Titration
  1609. Poll: Best invention ever and why?
  1610. History of Chemistry
  1611. extraction/purification caffeine - help
  1612. Are white and brown sugar the same thing?
  1613. Vespr Help
  1614. fire
  1615. Chemical Shifts
  1616. nfo of different chemical components?
  1617. Calorie Problem
  1618. LIMITING reactions
  1619. Chem Trends
  1620. pH
  1621. Two, atleast to me, perplexing chem problems
  1622. density of water and bonds.
  1623. Last Minute Help
  1624. Redox reactions
  1625. Plea for help with kinetics lab -- Urgent
  1626. I need help with determaning the age of something by rust
  1627. need urgent help with chemistry lab - kinetics
  1628. few questions
  1629. Electrochemistry question
  1630. Half Life help
  1631. Molecular Shapes
  1632. Bond enthalpies....
  1633. bone experiment, need facts
  1634. Conductivity of Water
  1635. Hear me out; this *is* a chemistry question
  1636. Enzymes and Catalysts
  1637. Websites
  1638. Fractions of distillation.....
  1639. Solids are solids
  1640. Light and Electrons
  1641. Manufacture of nitric acid
  1642. Analytical separations
  1643. Naming Acids
  1644. Calcium + Calcium Nitrate → ?
  1645. Uber Explosives
  1646. peroxide's cool
  1647. Molarity?
  1648. Chemical Kinetics Query
  1649. EXCIPLEX : a "new" molecule
  1650. Non 1:1 Ratio in Acid-Base Neutralization
  1651. Dissociation type problem
  1652. Stoichiometry Help
  1653. Chemistry Scavanger Hunt
  1654. Lewis Dot Structure for ClO4-
  1655. Do pH levels carry on thorugh evaporation?
  1656. Lab safety-related
  1657. An other stoiciometry problem
  1658. problem help!
  1659. Chemical confusion?
  1660. Periodic Trends
  1661. pH meter
  1662. Stoikiometry
  1663. Hydrogen Peroxide
  1664. cool reaction!!!
  1665. Titration
  1666. Calculating Ea through slope
  1667. One question
  1668. dilution
  1669. I need saltpeter
  1670. Make hydrochloric acid
  1671. Ionic Charge and the Periodic Table
  1672. Which of these is spontaneous??
  1673. atomic spectra
  1674. Starlight
  1675. Calculating Partial Pressures, Keq
  1676. Thermal Gravimetric Analysis question.
  1677. thin films and the likes...
  1678. Double bond....
  1679. Oxidation States....
  1680. ethylene reaction
  1681. need help ASAP!
  1682. volume needed to precipitate something
  1683. organic help
  1684. chloroform and metals
  1685. Normality question
  1686. Structure of 2,4-Pentanedione
  1687. can pure molten hydrochloric acid conduct electricity?
  1688. Molecular Structure
  1689. site
  1690. Helppppp Stoichiometry (sp?)
  1691. IUPAC names
  1692. word equation
  1693. State of matter?
  1694. Really basic netron/ electron stuff
  1695. Basic chemistry help
  1696. Bonding energy?
  1697. Question about Experimental Results
  1698. Copper Nitrate plus water
  1699. Chemistry Questions
  1700. writing balanced net ionic equations
  1701. Finding temperature
  1702. Solid Rocket Motor
  1703. Need Some Help
  1704. acid bases help
  1705. Empiric formula
  1706. percentage problem
  1707. Molality question
  1708. Log Sig Figs Confusion
  1709. Right vs. Left Handed Molecules
  1710. Detecting Minerals through chemistry
  1711. Isolation of cobalt
  1712. Kinda dumb q about oxygen
  1713. Questions about chlorine
  1714. Order of reaction
  1715. Calling all Chemistry Experts
  1716. evaporated beer
  1717. acetanilide
  1718. Theoretical/Computational Chemistry
  1719. volumetric analysis question. Help plz
  1720. Cod?
  1721. Tetrahedrally adapted metal d-orbitals?
  1722. Chemistry Hydrate Problem
  1723. Organic help
  1724. Electrolysis Of Water Help Please....
  1725. Titration of NaOH and HCl... need help
  1726. NaCl Crystal
  1727. Oxidation States
  1728. Hydrogen to Helium...Helium to heavier elements
  1729. Maillard Reaction
  1730. Question on how to prepare mixtures.. need help!!
  1731. Urgent Purty Problem
  1732. Gravimetric Analysis
  1733. about the substitution reaction
  1734. Gaseous Oxygen = Paramagnetic?
  1735. partial pressure
  1736. Calculate volume in combustion
  1737. Calculating pressure
  1738. Why are liquids generally less dense than solids?
  1739. estimating width of molecules
  1740. Why is HF dangerous
  1741. Question regarding bonding in liquid.
  1742. optically active compounds
  1743. Entropy Change
  1744. polar aprotic solvent sn2 rate
  1745. Protonation
  1746. Does HOF exist?
  1747. Energy problem
  1748. Hydrogen bonds!!!
  1749. Calculation problem
  1750. Synthesis of a nitrile from an amide
  1751. Per cent
  1752. Conductors
  1753. Ethers
  1754. Electrolytic Cells
  1755. Isotopes
  1756. One question
  1757. CSI Test
  1758. Mass measurement for gases
  1759. Basic Stoichiometry
  1760. Availability of Chemicals
  1761. Having a problem with atom/ion radius
  1762. COOH synthesis
  1763. Reaction of acetone with oxalic ester
  1764. Applying Chemistry to the real world
  1765. Curious question
  1766. Hydrogenation of 1-Octene to n-Octene
  1767. Chemistry Supplies?
  1768. determination of the atomic radius of an Al atom
  1769. Please Help!
  1770. What was happening on the lab?
  1771. Simple question.
  1772. *Thermite Reaction*
  1773. Vitamin A and Beta Carotene
  1774. Molar Mass question
  1775. A Question about Chromatography
  1776. bleech golfballs
  1777. Alkene reactions
  1778. electrorheological fluids
  1779. shape of H2SO4
  1780. alkanes, alkenes, and heat
  1781. Help!
  1782. Physical chemistry..
  1783. Organic Chemistry
  1784. help with 'elementary' question..
  1785. Tylenol and Advil
  1786. Relating Molar Enthalpy of Oil to Something: Need Lab Ideas
  1787. properties of organic acids.
  1788. Bond sizes in organic chemistry
  1789. Organic Chemistry
  1790. Manometers
  1791. Chemical compositon of sugar [substitutes]
  1792. catalyst
  1793. Reaction of 1-chloro-2-propanol with hydrogen halides
  1794. Limiting Reactions help
  1795. What are the pragmatic applications of physical chemistry?
  1796. Questions about the separating mixture
  1797. Chemical bounding
  1798. Supercritic CO2 as an extraction solvent
  1799. Heat Capacity iron heating water
  1800. a Carbon skeleton with 2 diff functional groups
  1801. electric field
  1802. Urgent: Finding Mystery Volume
  1803. Rates of Reaction
  1804. Glucose
  1805. Element that is also a molecule?
  1806. Classifications
  1807. Balanced Reactions and Mechanisms
  1808. Calculating Avogadro's number from scratch
  1809. how do i draw the structure of O-iodotoulene?
  1810. Chemical Equilibrium Problem #2
  1811. VSEPR Theory.....
  1812. Chemical Equilibrium Problem
  1813. equilibrium / buffer question
  1814. Hplc!
  1815. Molecular model kits
  1816. How to combine elements of differing ionic charge
  1817. find the mass
  1818. very simple polar covalent bond questions
  1819. coursework - unknown acid: tests - PLEASE HELP!!!!!
  1820. Strong Base - Weak Acid ?
  1821. Mark-Houwink-Sakurada constants - HELP!!
  1822. Chemics of NOx
  1823. Heat of Reaction - Calculations Help
  1824. Does nuclear bombs emit EMP?
  1825. Net Ionic Equation
  1826. Can air be frozen?
  1827. Thistle tubes
  1828. Ksp question
  1829. Gas Collecting Setup
  1830. Lab Setup question
  1831. Silver nitrate
  1832. Boiling points of water
  1833. proton
  1834. Packing Spheres
  1835. Normal electron configuration Ethyne
  1836. polarity
  1837. Laboratory Apparatus question
  1838. Rusting
  1839. What elements of Gen. Chemistry I are important in II
  1840. pH help??
  1841. Shapes of orbitals
  1842. Fluorescence
  1843. mole fraction
  1844. Electronic Configuration Question
  1845. good links about Gas Chromatography
  1846. hybridaization
  1847. gas chromatography!
  1848. The definition of 'shielding'
  1849. Temperatures of reactions
  1850. chemists, I NEED HELP WITH ALCOGELS!
  1851. structure of boehmite
  1852. Bond Angles
  1853. salt and freezing point
  1854. Acidic, Basic, or nuetral???
  1855. Thermodynamics: Equilibrium HELP!!!
  1856. aspirin questions
  1857. Linear range- in detector of GC
  1858. Cis vs. Trans epoxidation of olefins
  1859. Berylium and Lithium
  1860. the exact difference between Chemistry and Physics..
  1861. What is Dioxin ?
  1862. Gas chromatography
  1863. Naming Ionic formulas
  1864. Home Brew?
  1865. Molecular Orbital Theory
  1866. A simple question.
  1867. acs
  1868. relative basicity of two molecules.
  1869. Would a noble gas react with a radical?
  1870. Presistant Organic Pollutants, Stockholm Convention
  1871. Isomers Of Nitrogen Difluoride..
  1872. Need Tips for doing Hess's Law
  1873. Titration Calculation question.
  1874. Having Trouble With Calculations
  1875. Electrochemical Cell Question
  1876. Errors in Ksp lab?
  1877. Polymerization - Synthesis of Orlon
  1878. Acid-Base neutralization w/ more than 1 base.
  1879. Molecular orbital question
  1880. Hess' Law
  1881. Did anyone actually enjoy organic chem?
  1882. Alcohols Combustion
  1883. C Nmr
  1884. Silver-sulphur
  1885. Standardization of H2O2 Solution
  1886. Solution Concentration: Molarity
  1887. condensation polymers
  1888. Chlorination mechanism....
  1889. Equilibrium constant...
  1890. "Hot" Water
  1891. Determination of the final temperature inside a calorimeter
  1892. Prediction the Products
  1893. COnductivity/Resistivity
  1894. emperical formula
  1895. Types of Chemical Reactions
  1896. aerogels - Supercritical Extractions?
  1897. Ethanoic/propanoic
  1898. Sugar alcohols and their effect on your teeth.
  1899. Dissolving on a molecular level.....
  1900. ASA Titration
  1901. explain this for me, thanks!
  1902. Vinegar and Soda
  1903. Net ionic equations
  1904. High School Lab: Precipitates and Solubility Rules
  1905. undergraduate chemical engineering
  1906. Excessive Heavy Metals in Dieased Brains?
  1907. Lab Experiment:Calculating Molar Enthalpy of Fusion of Water
  1908. Water (& Hydrogen Bond?)
  1909. Some difficult questions
  1910. Help! practical application of common ion effect
  1911. 4,5-Dibromoisatin synthesis
  1912. Ortho,meta,para.
  1913. How to erase pen writing by chemical?
  1914. Chem help please?
  1915. Starch vs Cellulose??
  1916. I think this is Daltons Law Problem
  1917. optical isomerism
  1918. Need help on radial distribution on excel!!!
  1919. How to make a raincloud disappear ?
  1920. Long-winded finding of Limiting Reagent
  1921. Nuetralization Reaction involving a weak acid and weak base
  1922. Very Difficult : Finding final Volume gasses (for me)
  1923. covalent bonding
  1924. Bonds? Where are the val. e-'s
  1925. When reactions occur, how can you differentiate between A2B2 and 2AB?
  1926. Mn Catalyst for Asymmetric Epoxidation
  1927. Quick Enthalpy Help
  1928. In High School chem wrong like HS Physics?
  1929. Hard problem
  1930. Calorimetry Question
  1931. Melting point
  1932. Which oxidation state should I assume when balancing equations?
  1933. Boiling Point of a solution.
  1934. Buffer Solutions
  1935. A stupid question...
  1936. ester formation & amount of acid catalyst needed
  1937. Setting up a galvanic cell (1.25V)
  1938. Outer shells and reactions....
  1939. Getting the identity of an unknown element in a reaction.
  1940. Freezing point
  1941. Redox for molybdenum
  1942. Very weird problem here....
  1943. Redox in basic solution
  1944. Redox
  1945. Chromatography
  1946. Two unknwon factors in this stoichiometry problem
  1947. Glucose....
  1948. Rf value
  1949. formula
  1950. PH-calculation question.