PDA

View Full Version : Chemistry



Pages : 1 2 3 4 5 6 7 [8] 9 10

  1. practical idiots
  2. Loschmidt - "How big is a molecule?" - 1865
  3. Problems with Born-Haber cycles
  4. Oxidation states of group 4 elements
  5. Is it possible to make a mushroom cloud?
  6. Question about VSEPR
  7. water vapour residue
  8. Multiple Questions
  9. Shapes of Simple organic molecules - isomers
  10. Impact absorbency of foam structures
  11. ethanol is toxic
  12. confusion over moles calculations
  13. Orgo sux
  14. mass of proton
  15. Drank Chlorine water!!
  16. hydrogen peroxide ?
  17. Determination of Mg content in rocks
  18. Buffers.
  19. CEP reference number
  20. Avagadro's Law and Number
  21. % alcohol by weight question
  22. Help me! This is so hard!
  23. need help!!!!!
  24. enthalpy of solvation of sodium in h20
  25. HEAT ABSORBING MATERIALS
  26. How to divide molten Metal from Slag (the Blast Furnace)
  27. Electron Configuration
  28. Valence
  29. Ultrasound-mediated TDD - little confusion
  30. Chemistry Jobs
  31. The Technology & Experiments used to Advance Chemistry
  32. triple point estimation
  33. The Hydrogen atom and Vibrational Spectroscopy
  34. oxygen removal
  35. quality advanced chemistry kit?
  36. Why things have X boiling point.
  37. For all the true chemistry lovers out there...
  38. chemistry of carcinogens in diesel exhaust
  39. deionised water and distiled water
  40. Chemical Bonding & Reactions
  41. Glycerin
  42. Corrosion and acid-metal reactions.
  43. Whats the saturation of sugar in your pants?
  44. Hydrogen Fuel Survey
  45. best material for breaking hydrogen oxygen bond
  46. Trying to disolve or blend ink on paper
  47. quantum numbers in three dimensions
  48. dissolving sugar!!!
  49. What is the published solubility for caster sugar?
  50. Online study notes for fundemental chemistry.
  51. Color removal from sulphuric acid solution
  52. Beers Law UV-Vis
  53. using IR
  54. What is the published solubility for white sugar?
  55. Ca(OH)2 HCl question
  56. Does sugar have a dangerous goods code?
  57. Mr. Non-Polar
  58. Question about water ice.
  59. Hydrogen peroxide
  60. Li ion batteries
  61. Heavy Water-Can I drink it?
  62. Help, please! (polarizability) I've got 5 hours
  63. Collecting water vapour
  64. a question probably answered but just came to me
  65. Batteries from Blood?
  66. Coloring Agents
  67. lanthanide and actinide series
  68. Density
  69. Hydrogen bonding
  70. Verifying the Theory of Elements
  71. clorox "Outdoor"
  72. Fahrenheit/Celsius
  73. pet urine odor
  74. Does water contain calories?
  75. The 2nd ICBBE Conference ask for papers!
  76. 7up and sodium chloride
  77. Ammonia and Al
  78. Molecular Velocity
  79. chemical cells
  80. O or O2
  81. BioChemistry Journal
  82. Vodoo science?
  83. D Orbital Shape
  84. What is the hottest muscle rub??
  85. how to handle P2O5 as desiccant
  86. Blasting Caps Question
  87. NEW, INVISIBLE NANO-FIBERS CONDUCT ELECTRICITY, REPEL DIRT
  88. Electrolysing water
  89. Chemical question?
  90. Ethanol
  91. Sodium metal
  92. hydrogen ionization
  93. Smallest thing viewed
  94. Can the alcohol destroy the property of vitamin C?
  95. daniell cell & ammonium hydroxide!
  96. Tobacco Engineering - Solidification Rate
  97. redox equation
  98. Equillibrium?
  99. re-heating cooking oil
  100. Liquid molar density dependence on Temperature
  101. vacuum
  102. Any other candidates?
  103. Transition Metal Reactions
  104. ZINC GRANUEL
  105. Crude oil and its importance!?
  106. Wilderness Chemistry
  107. separation of hdrogen from water
  108. temp. effect on subatomic particles
  109. limonen sucrose citric acid
  110. Reaction Mechanisms, help!
  111. "K" for equilibrium rxns
  112. Lewis Electron Dot Diagrams HELP!!!
  113. Water Engine: Possible/Real?
  114. Pyridine
  115. Solubility product
  116. Oxygen in water
  117. significant electron mass
  118. Can you help us identify this Please?
  119. Why the bond angle of methane is 109 instead of 90?
  120. Photochemical smog
  121. why the bond angle of water is 105 instead of 109?
  122. Properties of liquids?
  123. concentrated acetic acid
  124. Could anyone verify
  125. Without the bees
  126. Soap and shampoo
  127. distinguish between SWNT and MWNT
  128. cis isomers in fatty acids
  129. neutralization
  130. Extract food dye from Froot Loops?
  131. lipids fluorometric assay
  132. Barium Meal
  133. Role of Glauber'salt
  134. Slicing toast at the atomic level
  135. Super-cooled Liquid
  136. Stupid Question from 7th Grade
  137. Atomic radii
  138. vacuum
  139. Cold Chemistry
  140. Diamond
  141. Regarding boiling points and melting points
  142. hydrogen car
  143. Electrolysis - Is this safe?
  144. HOH + NaCl
  145. Not sure if ths belongs here...
  146. Attention all Forensic Chemists!
  147. Dry Ice/CO2
  148. CHEMISTRY OF SOLUTIONS FAVOURS ENERGETICS
  149. Potato Clock
  150. Wavelength and Frequency of Certain Elements
  151. Methylbenzoate research
  152. Reactions with salt water
  153. grignard reaction
  154. chem hand book
  155. Help! Semiconductor plant
  156. no attraction
  157. Visible light spectrum
  158. Monoprotic acid strength
  159. What is the basics of osmotic pressure??
  160. What are colloidal substances??
  161. Oil floats over water
  162. What's the basic difference of molarity,molality,normality
  163. HELP! :( im stuck with ions
  164. some questions
  165. endothermic flame :?:
  166. quantized electrons
  167. What metal was coin made of?
  168. Radioactive decay
  169. Fe(acac)2 Solubility
  170. will this type of reaction occur?
  171. lab purpose
  172. dia/para magnetism
  173. Complex ions
  174. Azo dye in sodium hydroxide
  175. Alkene
  176. confirmed subatomic particles
  177. Density of liquids/gels
  178. HELP!! PLEASE!! hydrogen peroxide in acidic conditions?
  179. Sulphur dioxide and something else
  180. History of Science - Joseph Priestly
  181. creating fire
  182. Strange Ice Behaviour in Birdbath!!
  183. difference
  184. Heat conductivity and Melting point
  185. Dipole-dipole force
  186. Cause of death? toxicological?
  187. Question
  188. States of matter
  189. I need ideas on this one, would you help?
  190. I need a slogan for Aluminum please!
  191. Uranium
  192. Absolute Zero
  193. Chem lab problem~
  194. Chemistry problems...really need help!
  195. Chem - salt problem AJ
  196. Hi..i am new
  197. Mento mints & Cola
  198. Chemical reaction
  199. Stuff of stuff
  200. cellulose
  201. beta lactamase inhibitors.
  202. Atomic mass
  203. pH value of sulphuric acid
  204. mass spectrometry
  205. Just some general chemistry questions.
  206. Bleaching action
  207. chemical clock, help me!!!!!
  208. Iron
  209. attraction
  210. carborane acid
  211. Cyclophosphamide structure
  212. covalent -> ionic
  213. Building a Lab...
  214. Molecular bonds & Harmonic Resonance
  215. united nuclear
  216. Question about analytical instrumentation: XDR
  217. Apple reactor
  218. Safety
  219. carbonic acid
  220. Enthalpy Problem
  221. Could somebody help me?
  222. Electronegativity
  223. Bonding
  224. Whats the product?
  225. Hydrocolloid and adhesive
  226. Mendeleev
  227. nitroglycerin
  228. How do we know....
  229. CE
  230. Hydrogen fuel cell
  231. Inductive Effect (I need further explanation)
  232. um pop rox and coke
  233. evaporation and dating of a liquid
  234. DO not understand dot/cross diagrams
  235. Experiments with Nickel
  236. Oxygen Snow?
  237. project due thurs... in freak out mode... help?
  238. molar mass
  239. silicon question
  240. Copper (II) sulfate & steel wool
  241. Coldest Ice
  242. Why do we need Carbon?
  243. technology about: grape seed extract
  244. If you could alter one thing about a food recipe...
  245. Spectroscopy!
  246. chemistry-redox equations
  247. So there is only one Isomer for the formula HFClBrC
  248. Creating Plasma
  249. Van Der Waals forces QUESTION....
  250. Re: Acidic nature of alcohols