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  1. How I know the title of investigatory?
  2. How to calibrate uv-visible spectrophotometer?
  3. What is mean by chiral impurity?
  4. Why some time 0.1 percent of FeCl3 solution is added to rosenheim test?
  5. Sodium hydrogen carbonate mixed with sodium hydrogen sulfate?
  6. Addition to original question about chemistry.
  7. Which process for to neutralize bitterness of DNS?
  8. Important to answer- Acid Question
  9. Chemical formulas and equations
  10. Why does KMnO4 become green when added to n-hexane?
  11. Equilibrium
  12. Equilibruim
  13. what happends when the poly ethylene heated to 500^o c
  14. Physical equilibrium
  15. Ask a question about chemistry conversions?
  16. I want to know vacancies for chemical engineers
  17. What ar the chemical equation of
  18. Mechanism of radical substitution
  19. Molality and Molarity
  20. Hydrogen gas reaction of Al HCl
  21. Enumerate five other metals you can use for the preparation of hydrogen gas.
  22. Italian word for color orange
  23. How many grams of hno3 can be dissolved in 100g of water at 50 degrees celsius
  24. If 1.7 moles of C4H10 reacts with oxygen, how many moles of carbon dioxide will be pr
  25. What do you mean by side chain?
  26. Do acids and bases dissociate in solvents other than water? Like propylene glycol?
  27. What is the pH of resulting solution?
  28. solve my chemistry equation?
  29. What's the reaction to magnesium when mixed with acid
  30. Thermodynamics
  31. Can anyone tell me everything about CaO CO2 --> CaCO3?
  32. Concentrated acetic acid is a Class II combustible liquid. What is the molecular weig
  33. Water and dinitrogen pentoxide gas react to produce aqueous hydrogen nitrate.
  34. Water and dinitrogen pentoxide gas react to produce aqueous hydrogen nitrate.
  35. How many moles of sodium hydroxide were required?
  36. How many moles of HCl were required to neutralize the ammonia in the nickel(II) ammin
  37. How to find boiling point and van't hoff factor?
  38. word equations
  39. How much sodium hydroxide would I need to neutralize 1ltr of hydrochloric acid?
  40. How to find Molar Heat of Solution?
  41. Question on Enthalpy (please help?)
  42. How do I convert this?
  43. Methode to manufacture copper sulphate from Cu metal and sunfric acid
  44. How to quickly determine H2SO4 concentration in a mixture solution of CuSO4 and H2SO4
  45. Differentiate dil Chromium(III)chloride(aq) and dil Copper(II)chloride(aq)?
  46. How to react Na2CO3 with H2SO4 present of phenolptalin medium?
  47. How to react H2SO4 with Na2CO3 in present of phenopthalin media
  48. How do I write the structural formula of the c2h4 hydrogenation addition reaction?
  49. Regarding airconditioner
  50. Question about organic chemistry
  51. The salt FeSO4xH2O contains 45.3% water. Find the value of x.
  52. Titration of Buffer Solutions
  53. Why use nitric acid in the preparation of calcium standards
  54. Give the chemical formula and name for the ionic compound formed from Ca and Cl
  55. Finding product out of reactant?
  56. ?why is the rate of the reaction between oxalic acid and sodium hydroxide slow?
  57. My product formulation is separating
  58. Why alcohol in unclear in first seconds while it's dissolving in water?
  59. Find moles
  60. Magnesium reacts with hcl to form h2 gas?
  61. Trigonometry identities solver?
  62. Change in temperature
  63. Why alcohol in unclear in first seconds while it's dissolving in water?
  64. What is the molar mass of the unknown acid?
  65. How many grams of ammonium nitrate are needed to form 28.3 grams of water ? NH4NO3
  66. Ask expert material science?
  67. Organic solar cell
  68. The number of moles in 53g of he,please hep to find?
  69. Physical chemistry
  70. Finding total pressure
  71. The Iodine Clock
  72. If you add 350 mL of 92 degree Celsius of water to 420mL of 8 degree Celsius of wate
  73. Thermochemistry and Electronic Structure?
  74. What will happen if you mix folic acid and zinc?
  75. Conversion between concentration units help!
  76. word equations to chemical equations?
  77. For which hydroxide would the method not work?
  78. The solids aluminum and sulfur react to produce aluminum sulfide?
  79. Charge of Na ions compared to Na atoms
  80. Reaction between sodium hydroxide and carbon monoxide?
  81. How can you determine the specific heat of a metal by using the apparatus and techniq
  82. The question is: the fermentation of glucose in grapes produces ethanol and CO2
  83. moles of kmno4 to neutralize c2o4^-
  84. Rubidium acetic acid yields rubidium acetate hydrogen
  85. Calcium aluminum chloride yields calcium chloride aluminum
  86. How to solve and get theorectical yield
  87. Stone melt
  88. Which Alkaline metal is most reactive?
  89. Vitamin K has a molar mass of 173 g/mole and is 76.3% carbon by mass. How many carbo
  90. Calculate the number of carbon atoms in 1.00g of blood sugar, C6H12O6
  91. What is the mass of rust, Fe2O3, that contains 10.0g of iron?
  92. Describe what happens to the particles of a liquid, in terms of movement and kinetic
  93. Group of college students brought a 6pack down to the beach in Cancun. The 6pack
  94. Thermal Equilibrium
  95. I have a chemistry test tomorrow and I can't seem to get the right answer.
  96. Chemical equation help
  97. I can't remember the form of the valencies in chemistry ( or -)anyone know how?
  98. PH of baking soda water
  99. Complete an incomplete degree/osmani university
  100. Chemistry- mass to mass problems
  101. Chemistry; mass to mass
  102. Why u used in HPLC CAlibration
  103. Chloroform and acetone form an azeotropic mixture of composition 20%acetone and bp
  104. What is the mass of silver that can be prepared from 1.00g of copper metal?
  105. Chemical equilibria: Hard Question
  106. Organic Chemistry
  107. Can you tint your hair blonde when it is black
  108. Equilibria and Kp
  109. Solubility product constant
  110. help me balance this equation Na2 CO3+H3PO4 -Na3PO4 +H2O+CO2
  111. Ask a question about chemistry
  112. If 12.35g of N2H4 is used, what mass of nitrogen is produced
  113. Naoh+ h2c2o4.2h2o
  114. Calcium in milk a risk for elevating creatinin?
  115. Titration of oxalate with kmno4 calculate the concentration of oxalate ion
  116. Predict double replacement CuCl2 NaS
  117. Msc organic chemistry with 4 year scale up experience want to do MBA
  118. Thickness of nickel layer
  119. Hydrochloric acid interaction with Plastics
  120. Mathematics formula chart
  121. Lewis structure
  122. Convert 1.25M OH to pH
  123. Chemistry
  124. Chemistry Molarity
  125. Thermochemistry
  126. Small range using 36.42g/dm3HCl at the end I had 28.0+- 3.6% I don't know what it mea
  127. Ask chemistry questions
  128. h2te electronic geometry
  129. Water hardness
  130. My exam question
  131. Chemistry
  132. Intro to Chem Question
  133. Is there any way to separate/extract Dicalcium Phosphate Dihydrate from toothpaste?
  134. Why does opening a new bottle of soda usually cause bubbles to form rapidly?
  135. Partial pressure
  136. Gas laws and stoichiometry
  137. Gas laws and stoichiometry
  138. Clock reaction
  139. How will blue and red litmus paper react with neutralisation reactions and why?
  140. Environmentally kind gel
  141. Can you use reverse electroplating on circuit boards?
  142. What is the biochemical
  143. How to make 0.001 mmol of edta
  144. As is done monobenzone powder
  145. When 4.75 moles of oxygen gas is produced, how many grams of mercury oxide are heated
  146. Chem: single/double displacement reactions
  147. Using mole ratio to find the number of moles
  148. Balance Word Equations
  149. Ask chemistry
  150. nitric acid and sodium equation
  151. Stoichiomietry
  152. Help me solve my chem. Prob.
  153. EtG test will I pass or fail for one beer?
  154. Organic chemistry
  155. How to make curd with in ten minutes?
  156. The balance and type for k2o(s) h2o(l) -----> koh(aq)
  157. Revision help
  158. Nuclear Chemistry
  159. Chemistry
  160. Ask chemistry questions
  161. Periodic table
  162. Chemistry conversions
  163. Solubility
  164. Anions to moles
  165. Dye resist
  166. Heavy water and novelty ice cubes
  167. Full investigatory projects about chemistry
  168. Interesting topics that can be used for investigatory projects
  169. What kind of fabrics/ colors glow under blacklight?
  170. Calculating iodine number
  171. Problem 1--calculating iodine number
  172. Problem 2--calculating iodine number
  173. An acid is: (multiple choice)
  174. Chemistry Acid/Base Titration
  175. How many moles? PLEASE HELP!
  176. Luminol chemiluminescence?
  177. writing an equation for a reaction...
  178. Percentage composition
  179. Acidic, basic, or neutral
  180. How to clear my chemistry doubts
  181. Bonding
  182. Chemistry homework
  183. What are the coefficients of zn(s) hcl(aq)-->zncl2(aq) h2(g)
  184. Ask a chemistry question for free
  185. Ask a chemistry question for free
  186. M.sc Organic chemistry
  187. Heck Reaction
  188. Answer my question of chemistry
  189. Chemistry reactions help
  190. How do I shape Magnesium Carbonate (chalk) that's in powder form?
  191. How would you explain the appearance of a yellow/orange color in a stove burner flame
  192. Yellow/orange color
  193. Which is the most reactive metal lithium or caesium
  194. Carbon react with chlorine
  195. Carbon react with chlorine
  196. What is aryl group
  197. Answers to chemistry conversions
  198. What would be the purpose ,result of releasing barium,aluminum,and strontium into sky
  199. Hypophosphorous
  200. Simple Hess's Law question. Difference between kJ and kJ/mol
  201. Common laboratory tools and their uses
  202. Moles of gas
  203. Chem 157
  204. Answer My Chemistry Questions
  205. Volume of water
  206. Help solve chemical reaction questions
  207. Solution?
  208. Which topic will prove excellent for my chemistry project class 12
  209. Density
  210. Help me solve chemistry problems
  211. Density
  212. Ask chemistry questions free
  213. Ask questions for chemistry
  214. I need help with a Chemistry Theoretical and stoichiometry question?
  215. Common laboratory apparatus and their uses
  216. Concentration of phosphate
  217. Need help..
  218. HOBr molecular shape and geometry?
  219. Percent yield
  220. Hardness of water
  221. Will bezene make you fail an EtG test?
  222. Laboratory apparatus and their uses
  223. General chemistry question
  224. Atomic mass
  225. EtG alcohol test
  226. Uses of common laboratory apparatus
  227. 23 g of kcl and 200 g of h2o in two significant figures
  228. Chemistry Help
  229. True or False. A sample of matter
  230. What happens when an aqueous solution is exposed to an external electric field?
  231. What is hydrogen bonding?
  232. Polymers confusing me
  233. Help with mole concept
  234. How I ask questions regarding chemistry?
  235. Multi fuel engine
  236. Molarity
  237. Help with a chemistry problem
  238. Ask a chemistry question
  239. Anions vs Cations
  240. Ask a chemical engineer
  241. Calculate enthalpy of vapourization
  242. At 25oC and 725 torr pressure what will be the volume of 0.75 mol of Kr?
  243. What happen if GC(Gas chromatography) run is aborted at the middle of GC analysis
  244. Photon
  245. what is the hydrogen ion concentration in a solution with ph=11.27?
  246. What volume of 0.170{\rm M} {\rm NaOH} is needed to neutralize 6.00{\rm g} of benzoic
  247. Chemistry concentrations
  248. finbing the product and balancing chemical equations
  249. Positive EtG test through transfer of saliva?
  250. Chemistry