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  1. Chemistry science fair project idea
  2. Kinetic energy of gases
  3. Which conformer is more stable of both and why
  4. Mesomeric effect of phenol due to lone pair of electrons
  5. Write the ionic equation for the dissolving of lead chloride in hot water.
  6. E say that it is because of change in column height that causes osmosis to stop.
  7. If for example you have a container with a semi-permeable membrane filled with 2M sol
  8. What the difference between anti markovnikov rule and markovnikov rule
  9. Balanced equation
  10. Does osmosis always need an osmotic pressure to stop?
  11. I was asked to draw (S)-5-heptyn-3amine I know how to draw it, but , what does the
  12. When you have a inverted thistle funnel with a semi-permeable membrane around it
  13. What is the mass of the copper block?
  14. Three helium nuclei fuse together, forming one carbon nucleus. The mass of carbon is
  15. Chemistry question: We define osmotic pressure as pressure needed to be applied to st
  16. Chemistry: Ideal gas laws
  17. What is a foofighter
  18. Find the Edge (geometry) and the Volume of Unit cell
  19. PH in low pressure boiler
  20. Work against the external pressure
  21. Dilutions
  22. Molar calculations involving washing up liquids/detergents and the foam produced
  23. Sn1 sn2 best leaving groups and about the solvents organic chemistry,
  24. If I fractionally distillate A + B (miscible liquids); and if I obtain pure A in the
  25. Equilibrium and enthalpy
  26. What would the equation be for the dissolution of shellac (C31H27NO4) in ethanol?
  27. For this reaction what are the products that I can get Alcoholos Organic chemistry
  28. Which of the following, when added to water, creates a solution with the highest conc
  29. How to balance nitrogen plus oxygen plus water yields hydrogen nitrate
  30. Dew Point?
  31. Sulfur content by mass
  32. Grams of Sulfur
  33. Calculate the ppm CaCO3 hardness of a water sample
  34. How to get the ph of copper sulfate 0.1M?
  35. HPLC profiling of bacteria
  36. Flavonoids
  37. Convert grams to moles formula?
  38. An unknown dissolves in water
  39. Mixing ideal gazes and enthorpy
  40. Redox titration
  41. Would a 150 lb. Male pass an ETG test 65 hours after having 1 drink?
  42. Write the balanced molecular reaction
  43. Why is HCl added to a solution
  44. Laboratory apparatus and their uses?
  45. Spider
  46. Please Help !
  47. Is there water vapor in a vacuum?
  48. What I sthe molecular weight of acetic acid that will form assuming complete combusti
  49. What is the differnce of molar enthalpy and enthalpy of formation?
  50. I want to know about standard enthalpy of NaAl(SO4)2
  51. Standard Enthalpy claculation
  52. Stiochiometery
  53. Clear my doubts in chemistry
  54. Chemistry Question about ThermoChemistry
  55. Chemistry question about Organic Chemistry
  56. I failed an EtG test, I didn't drink, and I'm pregnant.
  57. Chemistry mcq
  58. Movement of atoms?
  59. I'm unsure as to answer these questions. Can someone help?
  60. How can I teach myself Chemistry on a college grade level?
  61. Optical activity of water?
  62. Reaction of hydrochloric acid with zinc metal
  63. Butane, C4H10, has a boiling point of -0.5 ?C (which is 31 ?F). Despite this, liquid
  64. General Chemistry- Buffers!
  65. Celsius temp
  66. Explain why potassium chloride will not dissolve in carbon tetrachloride, CCl4
  67. Why does a bottled carbonated beverage fizz when you take the cap off?
  68. Can sodium bicarbonate mixed with water ever be an acidic solution?
  69. Net chemical equations?
  70. Edta problems in engineering chemistry
  71. Determine the mass of oxygen reguired to completley burn 10.0 g of propane, C3H8
  72. What will happen when mixture of phosphorus chloride with chlorine?
  73. Can you help me with my chemistry homework?
  74. 0.102*0.0821*273 /1.01
  75. Half life question
  76. State one observation when calcium carbonate is added until excess of nitric acid.
  77. Write out word equations for chemistry?
  78. Calculate the number of molecules of C8H8 containing 1.44?10^25 C atoms
  79. What is the product for this reaction ?
  80. CH3CH2C triple bond CCH3 + O2 ----->(heat)?
  81. Does magnesium react with dilute acid?
  82. What happens in the calcium and sulphuriic acid experiment?
  83. What is the maximum mass of water that can be released by heating a 6.645 sample of c
  84. atoms of an element in X moles compound
  85. Hardness of water
  86. How many moles of Na2CO3 can be produced?
  87. Chemistry Hess's Law problem
  88. Why does all types of..
  89. Measuring carbon dioxide sodium for smoke?
  90. science word equations solver?
  91. How to find the number of atoms thick?
  92. Several questions.
  93. What volume of 0.0810 M NaOH is required to exactly neutralize 10.00mL of 0.119 M HCl
  94. A 73.6 L constant-volume cylinder containing 7.38 g He is heated until the pressure
  95. Complete and balance in acid (indicate gain or loss of e-).
  96. A mixture of water and graphite is heated to 600 K
  97. Find the equilibrium partial pressures of A and B for each of the following
  98. How do you prepare iodine solution from solid iodine?
  99. chemistry (equation)
  100. Chem. Equilibrium
  101. If electricity of sufficient voltage is passed into a solution of potassium bromide
  102. How do you calculate the heat of reaction?
  103. True or false the theoretical yield is the amount of each reactant needed in order t
  104. What is the molecular weight of novocain
  105. Determine the total of the coefficients when added together
  106. True or false
  107. The formula for the compound
  108. Compounds formed from metals and nonmetals
  109. The numeric value for Avogadro's number is?
  110. True or false
  111. Consider the following generic chemical equation.
  112. When he returns he finds?
  113. online word equation balancer?
  114. Flammable and combustible..
  115. Ask chemistry questions?
  116. Estimate the percent vinegar in pickle juice
  117. Finding the element
  118. Difference between red hot and white hot
  119. Is a polymer a alkene or a alkane?
  120. How many grams of Ba3(PO4)2 will be created from 116.5 grams of BaCl2?
  121. Where do you get oxygen in the equation CuCl2 NH3 = [Cu(NH3)4(H2O)2]2 N2 2HCl?
  122. Synthetic elements with atomic numbers greater than 93
  123. How to calculate the volume of nitrogen gas released from the decomposition of
  124. What do you get when you mix zinc with Sulphric acid?
  125. What is the mass percent of copper in a compound?
  126. Calculate the chemical potential of benzene relative to pure benzene
  127. Estimate freezing point
  128. What is the empirical formula of the compound?
  129. Chemical equation of adding lime to soil?
  130. Sodium aminomethanesulfonic H2SO4 reaction?
  131. How to convert moles into grams?
  132. Dr. Brown has a radioisotope source containing 1.2 x 106 (also written as 1.2E 06) at
  133. Consider a van parked in a lot outside a professional football stadium in Atlanta, GA
  134. Ask chemistry questions?
  135. Determine total volume of gases when temperature is raised.
  136. I have a chemistry question about hydrogen bonding.
  137. Calculate the change in Temperature.
  138. Temperature change & chemical equations.
  139. Dilution problem
  140. Finding pressure
  141. Qualitative researchers use extraordinary efforts to make sure objectivity is achieve
  142. Acid carbonate strong base reaction
  143. Ask a chemistry question?
  144. In addition to the gas produced, an aqueous solution of zinc chloride is also produce
  145. A chemistry problem about Rate law/mechanism stuff
  146. Calculate number of moles of atoms in 3.61×1024 of magnesium chloride,
  147. Lithium combines with oxygen to form lithium oxide
  148. I have a true or false about cell's internal structures
  149. Question about acids and bases; Kw; Ka and Kb
  150. Acid/conjugate base pairs
  151. KW - ionic constant of water
  152. Acids and Kw
  153. KW - acids and bases
  154. Find molarity of potassium permanganate
  155. translating chemical symbols into a word equation?
  156. 50.0 grams of a pure gaseous compound was found to contain 22 grams of oxygen. What I
  157. How many moles of atoms are in 3.49 grams Ni? Answer in units of mols
  158. Why do the aluminium ions move to the negative electrode in the process of aluminium
  159. 2HgS 4 HNO3 4 HCl will give ?
  160. Percentage of pure zinc in Zinc Mono hydrate
  161. How does periodic trends affect boding?
  162. Hydrochloric acid distilled water sodium hydroxide
  163. What is the process of combining two atomic nuclei to form a heavier nucleus called?
  164. What do we call the chart arranges the elements by atomic number and valence?
  165. Nuclear reactors that produce more fuel than they use are called breeder reactors?
  166. Valence Electrons are electrons in the innermost shell?
  167. What kind of substance is composed of more than one type of atom linked together
  168. pH of products of 50mL 0.01M HCl 50mL 0.02M HNO3=?
  169. Gravimetric stoichiometry questions?
  170. balancing word equations?
  171. Chemistry
  172. Iron(II) sulfate, FeSO4, is prescribed for the treatment of anemia.
  173. Chemistry- -Valency of Magnesium.
  174. Chem Homework
  175. What simple machine most effectively multiplies the effort force applied to the mach
  176. Specific Heat
  177. How do I solve this?
  178. Chemistry: Matter and Change
  179. Chemical formula
  180. Ask chemistry questions?
  181. Write formulas for the compounds formed between the following
  182. Write formulas for each of the following compounds
  183. Which molecule would be immiscible in water?
  184. Partial pressure of oxygen hydrogen and nitrogen are .210 .145 and .235atm what is th
  185. Empirical Formula
  186. Zinc and lead (ll) nitrate react to form zinc nitrate and lead
  187. What is product resolution/ fractionation of hplc ?
  188. What is the mass of 1 mole of oxygen atoms
  189. Answers for human vision cuts off on the red side of the spectrum at about 675 nanome
  190. How to find the volume of NaOH?
  191. Activity to effect of potassium bisulphite
  192. QC LAB Pharmaceutical
  193. Copper metal reacts with 12.67g of silver nitrate that has been dissolved in water. H
  194. the equation is N=O(0.5)t/h
  195. Chemistry: Predicting the products and balancing chemical reactions?
  196. How will Lithium ion form
  197. turning formula equations into a word equation
  198. Chemical reaction of chlorine gas and methane?
  199. Algebra moles
  200. Lewis dot structure for transition metals?
  201. Which of the following contains one mole molecules of the substance?
  202. Chemistry Project : Find the quantity of ammonium in hair dye ?
  203. How to find concentration of an acid in an experiment?
  204. EtG testing one drink?
  205. Theoretical yield, limiting reactant and excess reactant
  206. Please help me with my chemistry
  207. Heat Fusion
  208. I don't know how to find chemical equation products, can someone help me?
  209. Possible ETG test on the 13th... will I pass?
  210. Gr. 10 science lab, giving a balanced chemical equation with only the reactants
  211. Chemistry
  212. Chemistry help
  213. Chemistry help
  214. How do I create this equation. Nitric acid and potassium borate
  215. Total hardness calculation formula?
  216. Chemistry subject
  217. Heat of fusion problem solver?
  218. chemistry equation question
  219. Moles and Equivalents
  220. Chemistry unit 6 question
  221. NaOH CaSO4 <> Ca(OH)2 Na2SO4 what is the charge on the S in CaSO4
  222. An unknown mass of anhydrous potassium carbonate was dissolved in water and the solut
  223. Is carbon reduced and oxidized during charge/discharge in a Li-ion secondary battery?
  224. If I have mg/L of Hardness (CaCO3) , can I calculate mg/L of Calcium?
  225. Why is there a blue flash before oxyhydrogen balloon explodes?
  226. 20% Phosphate solution has crystals in the bottom - how do I make it liquid again?
  227. Relationship between ppm and normality?
  228. Define electro negativity of any atom.
  229. What is atomicity of Noble Gas?
  230. How much "stronger" is a drink with 100 proof alcohol than one with 80 proof alcohol?
  231. Reaction of hexanal with oxygen? Is it possible?
  232. Thermochemistry
  233. Chemistry!
  234. Chemistry !
  235. Ppm calculation?
  236. Chemistry- Chemical Bonding
  237. how do you balance sulfur + oxygen => sulfur dioxide
  238. Completing word equations
  239. Electrolysis of water
  240. Electric discharge produced ozone
  241. Haber Process
  242. Atomic mass
  243. SI unit Moles
  244. Moles/chemistry
  245. Oxidation reaction
  246. balancing equations and identifying reaction types
  247. What are 10 random elements that aren't...
  248. Reaction prediction
  249. Kenetic Energy
  250. How many atoms will remain in 352 years?