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  1. Water hardness (0 replies)
  2. Show me the lewis structure for ClF4 (0 replies)
  3. Question on thermodynamics and equilibria; delta G and delta G^o (0 replies)
  4. Prepare 375mL of a solution containing .108 M chloride ion from solid magnesium chlor (0 replies)
  5. Hydrochloric acin and bromine (0 replies)
  6. Gibbs energy and equilibria (1 replies)
  7. Question about gibbs free energy (0 replies)
  8. Gibb's energy and internal energy (0 replies)
  9. Entropy (0 replies)
  10. What is the energy of a photon having a wavelength of 4.57 10-8 m? (0 replies)
  11. Chemical equilibria and thermodynamics (0 replies)
  12. Chemical Equilibria (0 replies)
  13. Gibb's free energy (1 replies)
  14. Estimate the percent vinegar in the pickle juice (1 replies)
  15. protons equation help (1 replies)
  16. Wavelenght (1 replies)
  17. Fundamentals of physical chemistry – ii (0 replies)
  18. Sugar and cyanide equation? (1 replies)
  19. Science (1 replies)
  20. Lewis Structure for NOCl2 (1 replies)
  21. Wavelengths and electrons (1 replies)
  22. Solwhat does P mean in chemistry (1 replies)
  23. How to make Kojic Acid Soap (3 replies)
  24. TiC and HNO3 Reaction products (1 replies)
  25. How to find lowest pH which is still completely soluble? (0 replies)
  26. How to find osmolarity/osmolality of sucrose? (0 replies)
  27. Why do we prefer molality over molarity (1 replies)
  28. Why o-nitrophenol is insoluble in sodium bicarbonate? (1 replies)
  29. Is air described as heterogeneous? (1 replies)
  30. Chemistry (1 replies)
  31. What is the trend in the thermal stability of the nitrates and carbonates of group 1 (2 replies)
  32. Help with finding concentration in solutions (1 replies)
  33. I have a question regarding redox reactions (1 replies)
  34. Challenging Chemistry (3 replies)
  35. Thermodynamics (1 replies)
  36. Fission (1 replies)
  37. 3. 84 g of water at 22oC are mixed with 150 g of ethanol at 88oC. (5 replies)
  38. word equation to chemical equation (0 replies)
  39. Chemistry (1 replies)
  40. Acid Base (2 replies)
  41. Sodium Carbonate Solution (1 replies)
  42. Which chemical rxn to use?? (3 replies)
  43. Molecular weight of co2 (2 replies)
  44. Chemistry (5 replies)
  45. Not water soluble (2 replies)
  46. If 15.62 mL of NaOH is required to react with 0.335 g of KHP (molar mass = 204.2 g/mo (0 replies)
  47. Understanding Empirical Formula (1 replies)
  48. Understanding Empirical Formula (1 replies)
  49. How do you ensure that the starting material was pure magnesium, (1 replies)
  50. Pressure is measured by using (1 replies)
  51. Hybridization of Carbon atoms (2 replies)
  52. Based on the structure of the following compound, which statement is INCORRECT? (1 replies)
  53. Why is it different? (1 replies)
  54. Convert moles to grams (1 replies)
  55. What happense to the blue vitriol when exposed to the atmosphere? (1 replies)
  56. Lineweaver burk plot (3 replies)
  57. I have a question about milk. (5 replies)
  58. What is the effect of pressure on chemical adsorption (0 replies)
  59. Ask a chemistry question and get the answer (0 replies)
  60. What is Diisobutylphenoxyethoxyethyl dimethyl benzyl ammonium chloride monohydrate (1 replies)
  61. Why barium chloride has planner structure but aluminium chloride has tetrahedral stru (1 replies)
  62. Will my UA show positive for alcohol? (1 replies)
  63. Heat calculations formula (1 replies)
  64. Does food grade 35% hydrogen peroxide affect metal drinking bottles with water (1 replies)
  65. Calculate normality. (1 replies)
  66. Ask chemistry questions (1 replies)
  67. Cannizzaro reaction or Haloform reaction? (2 replies)
  68. Chemistry (1 replies)
  69. Positive EtG test through transfer of saliva? (2 replies)
  70. finbing the product and balancing chemical equations (1 replies)
  71. Chemistry concentrations (1 replies)
  72. What volume of 0.170{\rm M} {\rm NaOH} is needed to neutralize 6.00{\rm g} of benzoic (1 replies)
  73. what is the hydrogen ion concentration in a solution with ph=11.27? (1 replies)
  74. Photon (1 replies)
  75. What happen if GC(Gas chromatography) run is aborted at the middle of GC analysis (0 replies)
  76. At 25oC and 725 torr pressure what will be the volume of 0.75 mol of Kr? (1 replies)
  77. Calculate enthalpy of vapourization (2 replies)
  78. Ask a chemical engineer (0 replies)
  79. Anions vs Cations (1 replies)
  80. Ask a chemistry question (10 replies)
  81. Help with a chemistry problem (1 replies)
  82. Molarity (6 replies)
  83. Multi fuel engine (1 replies)
  84. How I ask questions regarding chemistry? (1 replies)
  85. Help with mole concept (1 replies)
  86. Polymers confusing me (1 replies)
  87. What is hydrogen bonding? (1 replies)
  88. What happens when an aqueous solution is exposed to an external electric field? (10 replies)
  89. True or False. A sample of matter (1 replies)
  90. Chemistry Help (1 replies)
  91. 23 g of kcl and 200 g of h2o in two significant figures (2 replies)
  92. Uses of common laboratory apparatus (2 replies)
  93. EtG alcohol test (1 replies)
  94. Atomic mass (2 replies)
  95. General chemistry question (1 replies)
  96. Laboratory apparatus and their uses (3 replies)
  97. Will bezene make you fail an EtG test? (1 replies)
  98. Hardness of water (1 replies)
  99. Percent yield (7 replies)
  100. HOBr molecular shape and geometry? (1 replies)
  101. Need help.. (1 replies)
  102. Concentration of phosphate (1 replies)
  103. Common laboratory apparatus and their uses (2 replies)
  104. I need help with a Chemistry Theoretical and stoichiometry question? (0 replies)
  105. Ask questions for chemistry (3 replies)
  106. Ask chemistry questions free (4 replies)
  107. Density (2 replies)
  108. Help me solve chemistry problems (1 replies)
  109. Density (1 replies)
  110. Which topic will prove excellent for my chemistry project class 12 (7 replies)
  111. Solution? (1 replies)
  112. Help solve chemical reaction questions (0 replies)
  113. Volume of water (2 replies)
  114. Answer My Chemistry Questions (2 replies)
  115. Chem 157 (0 replies)
  116. Moles of gas (1 replies)
  117. Common laboratory tools and their uses (0 replies)
  118. Simple Hess's Law question. Difference between kJ and kJ/mol (1 replies)
  119. Hypophosphorous (1 replies)
  120. What would be the purpose ,result of releasing barium,aluminum,and strontium into sky (1 replies)
  121. Answers to chemistry conversions (1 replies)
  122. What is aryl group (1 replies)
  123. Carbon react with chlorine (1 replies)
  124. Carbon react with chlorine (0 replies)
  125. Which is the most reactive metal lithium or caesium (3 replies)
  126. Yellow/orange color (1 replies)
  127. How would you explain the appearance of a yellow/orange color in a stove burner flame (1 replies)
  128. How do I shape Magnesium Carbonate (chalk) that's in powder form? (3 replies)
  129. Chemistry reactions help (1 replies)
  130. Answer my question of chemistry (1 replies)
  131. Heck Reaction (1 replies)
  132. M.sc Organic chemistry (1 replies)
  133. Ask a chemistry question for free (0 replies)
  134. Ask a chemistry question for free (0 replies)
  135. What are the coefficients of zn(s) hcl(aq)-->zncl2(aq) h2(g) (0 replies)
  136. Chemistry homework (5 replies)
  137. Bonding (2 replies)
  138. How to clear my chemistry doubts (0 replies)
  139. Acidic, basic, or neutral (0 replies)
  140. Percentage composition (1 replies)
  141. writing an equation for a reaction... (0 replies)
  142. Luminol chemiluminescence? (0 replies)
  143. How many moles? PLEASE HELP! (1 replies)
  144. Chemistry Acid/Base Titration (1 replies)
  145. An acid is: (multiple choice) (3 replies)
  146. Problem 2--calculating iodine number (0 replies)
  147. Problem 1--calculating iodine number (0 replies)
  148. Calculating iodine number (0 replies)
  149. What kind of fabrics/ colors glow under blacklight? (1 replies)
  150. Interesting topics that can be used for investigatory projects (0 replies)
  151. Full investigatory projects about chemistry (0 replies)
  152. Heavy water and novelty ice cubes (1 replies)
  153. Dye resist (0 replies)
  154. Anions to moles (1 replies)
  155. Solubility (0 replies)
  156. Chemistry conversions (1 replies)
  157. Periodic table (0 replies)
  158. Ask chemistry questions (2 replies)
  159. Chemistry (1 replies)
  160. Nuclear Chemistry (0 replies)
  161. Revision help (0 replies)
  162. The balance and type for k2o(s) h2o(l) -----> koh(aq) (1 replies)
  163. How to make curd with in ten minutes? (1 replies)
  164. Organic chemistry (2 replies)
  165. EtG test will I pass or fail for one beer? (4 replies)
  166. Help me solve my chem. Prob. (1 replies)
  167. Stoichiomietry (1 replies)
  168. nitric acid and sodium equation (9 replies)
  169. Ask chemistry (1 replies)
  170. Balance Word Equations (1 replies)
  171. Using mole ratio to find the number of moles (1 replies)
  172. Chem: single/double displacement reactions (0 replies)
  173. When 4.75 moles of oxygen gas is produced, how many grams of mercury oxide are heated (1 replies)
  174. As is done monobenzone powder (0 replies)
  175. How to make 0.001 mmol of edta (0 replies)
  176. What is the biochemical (0 replies)
  177. Can you use reverse electroplating on circuit boards? (1 replies)
  178. Environmentally kind gel (0 replies)
  179. How will blue and red litmus paper react with neutralisation reactions and why? (0 replies)
  180. Clock reaction (0 replies)
  181. Gas laws and stoichiometry (0 replies)
  182. Gas laws and stoichiometry (0 replies)
  183. Partial pressure (0 replies)
  184. Why does opening a new bottle of soda usually cause bubbles to form rapidly? (2 replies)
  185. Is there any way to separate/extract Dicalcium Phosphate Dihydrate from toothpaste? (0 replies)
  186. Intro to Chem Question (1 replies)
  187. Chemistry (1 replies)
  188. My exam question (3 replies)
  189. Water hardness (0 replies)
  190. h2te electronic geometry (1 replies)
  191. Ask chemistry questions (0 replies)
  192. Small range using 36.42g/dm3HCl at the end I had 28.0+- 3.6% I don't know what it mea (0 replies)
  193. Thermochemistry (0 replies)
  194. Chemistry Molarity (0 replies)
  195. Chemistry (1 replies)
  196. Convert 1.25M OH to pH (1 replies)
  197. Lewis structure (1 replies)
  198. Mathematics formula chart (4 replies)
  199. Hydrochloric acid interaction with Plastics (0 replies)
  200. Thickness of nickel layer (0 replies)
  201. Msc organic chemistry with 4 year scale up experience want to do MBA (0 replies)
  202. Predict double replacement CuCl2 NaS (0 replies)
  203. Titration of oxalate with kmno4 calculate the concentration of oxalate ion (0 replies)
  204. Calcium in milk a risk for elevating creatinin? (0 replies)
  205. Naoh+ h2c2o4.2h2o (1 replies)
  206. If 12.35g of N2H4 is used, what mass of nitrogen is produced (0 replies)
  207. Ask a question about chemistry (1 replies)
  208. help me balance this equation Na2 CO3+H3PO4 -Na3PO4 +H2O+CO2 (3 replies)
  209. Solubility product constant (0 replies)
  210. Equilibria and Kp (0 replies)
  211. Can you tint your hair blonde when it is black (0 replies)
  212. Organic Chemistry (7 replies)
  213. Chemical equilibria: Hard Question (0 replies)
  214. What is the mass of silver that can be prepared from 1.00g of copper metal? (1 replies)
  215. Chloroform and acetone form an azeotropic mixture of composition 20%acetone and bp (1 replies)
  216. Why u used in HPLC CAlibration (0 replies)
  217. Chemistry; mass to mass (1 replies)
  218. Chemistry- mass to mass problems (1 replies)
  219. Complete an incomplete degree/osmani university (0 replies)
  220. PH of baking soda water (2 replies)
  221. I can't remember the form of the valencies in chemistry ( or -)anyone know how? (1 replies)
  222. Chemical equation help (0 replies)
  223. I have a chemistry test tomorrow and I can't seem to get the right answer. (1 replies)
  224. Thermal Equilibrium (1 replies)
  225. Group of college students brought a 6pack down to the beach in Cancun. The 6pack (1 replies)
  226. Describe what happens to the particles of a liquid, in terms of movement and kinetic (0 replies)
  227. What is the mass of rust, Fe2O3, that contains 10.0g of iron? (1 replies)
  228. Calculate the number of carbon atoms in 1.00g of blood sugar, C6H12O6 (1 replies)
  229. Vitamin K has a molar mass of 173 g/mole and is 76.3% carbon by mass. How many carbo (1 replies)
  230. Which Alkaline metal is most reactive? (2 replies)
  231. Stone melt (1 replies)
  232. How to solve and get theorectical yield (0 replies)
  233. Calcium aluminum chloride yields calcium chloride aluminum (0 replies)
  234. Rubidium acetic acid yields rubidium acetate hydrogen (0 replies)
  235. moles of kmno4 to neutralize c2o4^- (0 replies)
  236. The question is: the fermentation of glucose in grapes produces ethanol and CO2 (0 replies)
  237. How can you determine the specific heat of a metal by using the apparatus and techniq (0 replies)
  238. Reaction between sodium hydroxide and carbon monoxide? (0 replies)
  239. Charge of Na ions compared to Na atoms (2 replies)
  240. The solids aluminum and sulfur react to produce aluminum sulfide? (1 replies)
  241. For which hydroxide would the method not work? (0 replies)
  242. word equations to chemical equations? (1 replies)
  243. Conversion between concentration units help! (0 replies)
  244. What will happen if you mix folic acid and zinc? (4 replies)
  245. Thermochemistry and Electronic Structure? (0 replies)
  246. If you add 350 mL of 92 degree Celsius of water to 420mL of 8 degree Celsius of wate (0 replies)
  247. The Iodine Clock (0 replies)
  248. Finding total pressure (0 replies)
  249. Physical chemistry (0 replies)
  250. The number of moles in 53g of he,please hep to find? (1 replies)