PDA

View Full Version : Chemistry


Pages : [1] 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

  1. Nomenclature (using IUPAC)
  2. two imaginary atoms Shells
  3. school project
  4. Nagging problems
  5. computer programs?
  6. Transistors vs breast implants
  7. Redox reaction
  8. chemistry experiments or formulas
  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. congeals when heat is applied
  16. A burbon on the rocks exists because ice is less dense than water
  17. Salt Peter?
  18. oxidization C2H5OH -> CO2
  19. Enthalpy AP Chemistry
  20. engineering spec. molecule
  21. Can you manufacture 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. how to calculate moles
  33. chem question
  34. problems with understanding polarity
  35. [SOLVED] self diffusion of water
  36. Electron shells
  37. lab technique
  38. high pressure 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