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  1. Voltaic cells: They should not work. (0 replies)
  2. Help with PPM conversion (1 replies)
  3. Empirical formula (2 replies)
  4. chemistry questions (1 replies)
  5. chem exam (0 replies)
  6. Dry Erasable ink (1 replies)
  7. Pestricides from local retail stores are always .02 percent chemical 98 perecent wate (2 replies)
  8. Vanadium (1 replies)
  9. How to find the molarity of Fe(NO3)3 in a stock solution (0 replies)
  10. Sucrose to dextrose proportions (1 replies)
  11. Adding Heat to food (3 replies)
  12. Hi.Today is my Test of conversions calculations. Kindly help me as my professor is so (0 replies)
  13. At 200 C, Kc is 1.6E-10 for N2O+NO2<->3NO. 350 mL of (0 replies)
  14. How to prepare coffee grounds for bioplastic? (0 replies)
  15. How to extract ovalbumin from egg whites? (0 replies)
  16. What is solubility ? (1 replies)
  17. Where buy potassium cyanide ? (3 replies)
  18. Calorimetry (1 replies)
  19. How could someone detect and remove the chemical composition of a given stain ? (1 replies)
  20. Chemistry (1 replies)
  21. Citric acid vs sodium chloride (3 replies)
  22. what is the wavelength (in nanometers) of light that has a frequency of 5.88 x1014 s- (1 replies)
  23. True or false chemical reaction happen even when the atoms reacting do not collide (1 replies)
  24. Phosphors and phospherus (2 replies)
  25. Ozone Generator Reactions, family in danger (3 replies)
  26. How much Helium can a 40 liter canister provide? (1 replies)
  27. Copper and its germicidal properties when electroplated (1 replies)
  28. Which is the bond in zirconium dioxide (2 replies)
  29. Is the pain med Tramadol as strong as morphine and... (4 replies)
  30. Will the substance dissolve in water, hexane, both or neither? (4 replies)
  31. Concentrations of Iron II Sulfate (0 replies)
  32. Formaldehyde and milk in resin (0 replies)
  33. Chemistry Equation (1 replies)
  34. Calcium chloride (2 replies)
  35. 34g of water vapour at STP condenses in liquid state.count the volume (1 replies)
  36. I have 1 pound of ferric chloride, anhydrous 99.8%. I wand to make three gallon solut (0 replies)
  37. Help with this chemistry question (0 replies)
  38. Is there any chemical I can add to soybean wax to increase fragrance oil? (2 replies)
  39. Would it be possible to find out all chemicals with a program that has the variables (0 replies)
  40. Chemical Reactions (2 replies)
  41. Formulae name (1 replies)
  42. Is it OK to use chloramine t trihydrate instead of chloramine t? (1 replies)
  43. Do you think the same protein that recognizes and binds to the chemical PTC can recog (2 replies)
  44. Most cost effective surfactant for vegetable oil? (1 replies)
  45. Why does PEG400 makes soft gelatin capsules brittle as opposed to vegetable oil (2 replies)
  46. Bleach and alcohol wipes (2 replies)
  47. How does a dry powder fire extinguisher KHCO3 work to extinguish a fire (1 replies)
  48. How does lateral flow immunochromatography work? (0 replies)
  49. Endothermic reactions (2 replies)
  50. How come zinc is the cathode (3 replies)
  51. Chemistry (2 replies)
  52. Preserving breastmilk for Jewlery (1 replies)
  53. Refine silver from 15% silver brazing rod (2 replies)
  54. What is the total amount of solution in 5gm powder dissolve in 5ml distilled water (2 replies)
  55. # of electrons that are either donated or accepted by an element (1 replies)
  56. Lewis Structures (1 replies)
  57. Concentrations of Mg and Ca in seawater (2 replies)
  58. Chemical mixture hydrocarbons & sodium dodecyl benzene sulfonate (0 replies)
  59. Is P-Menthane-3,8-diol Plant Originated? (0 replies)
  60. Ethanol ppm calculation for thesis (1 replies)
  61. Hydrogen bonds (1 replies)
  62. Soap Making With Galvanized Bin (3 replies)
  63. Please tell me the stone soluble acid (2 replies)
  64. 4 piperidone monohydrochloride vs 4 piperidone monohydrate hydrochloride (1 replies)
  65. Chemistry (1 replies)
  66. Calculate the concentration (1 replies)
  67. Hand swipe drug testing of visitors to prisons (3 replies)
  68. Decomposition of Leaves (1 replies)
  69. Electrochem oxidation and reduction potentials? (0 replies)
  70. Chemistry Question (1 replies)
  71. Chemistry Questions (1 replies)
  72. Find the Ph for the solution. (1 replies)
  73. Is there any coordination bond in benzene diazonium chloride (1 replies)
  74. What is zinc diacid phosphate (3 replies)
  75. Amount of heat absorbed per gram? (1 replies)
  76. Recovery of solidified 2 4 diChloro 5 fluoro acetophenone (0 replies)
  77. Questions for chemistry exams (6 replies)
  78. Two Deep Cycle Batteries (7 replies)
  79. Ration of phosphorous with oxygen (0 replies)
  80. Palmitoleic acid + Brain health? (1 replies)
  81. Na2O9SiTi (7 replies)
  82. When to charge a rechargeable battery? (1 replies)
  83. Nucleophilic substitution or elimination? (1 replies)
  84. NiSO4 is soluble in water (2 replies)
  85. How to use carbon dioxide (1 replies)
  86. Thermodynamics question (1 replies)
  87. CrO4 (1 replies)
  88. Calculate the volume in ml of a 0.1mol/l hpo3 sol. Required to titrate the 15ml of a (1 replies)
  89. Nuclear chemistry (2 replies)
  90. Chemistry (2 replies)
  91. Methytriethoxysilane (3 replies)
  92. Muriatic acid and brass (5 replies)
  93. Chemical Mixture Question (6 replies)
  94. Periodic Tablet (10 replies)
  95. Why? (2 replies)
  96. Turn a solid into a soluble solution (1 replies)
  97. Consumed a glass of wine on Tuesday night, will it show up on EtG on Friday evening (3 replies)
  98. Another mixture question (3 replies)
  99. Mercury(ll)oxide inhalation/skin absorption (5 replies)
  100. Bleach question (4 replies)
  101. Why hcl can't give nascent chlorine while reacting with copper ? (2 replies)
  102. What elemental composition generates heat when cold? (2 replies)
  103. Atomic structure (2 replies)
  104. What are the synonyms of Finasteride? (0 replies)
  105. What is junction potential? (2 replies)
  106. Using Impure Iron Powder (2 replies)
  107. Trap Grease (1 replies)
  108. Cold vapor mercury (0 replies)
  109. How to draw 2-propyl cyclopentylethanoate (1 replies)
  110. 10th edition ACS book... Hydrochloric acid mercury procedure (0 replies)
  111. reactions in an equation (0 replies)
  112. Beta particles are written as (3 replies)
  113. Litmus paper (2 replies)
  114. Cinnamaldehyde (1 replies)
  115. Moles (1 replies)
  116. Heat of fusion (0 replies)
  117. acid base equations (1 replies)
  118. Metallic copper is oxidized by dilute nitric acid to form Cu2+ and NO. (1 replies)
  119. Principles of Thermodynamics (1 replies)
  120. Lab questions (1 replies)
  121. Stoichiometry (0 replies)
  122. net ionic equation (0 replies)
  123. The steps of the scientific method must be followed in order every time an experiment (5 replies)
  124. Find Experimental/Percentage Error Chemistry (1 replies)
  125. Solution concentration (3 replies)
  126. Solutions are homogeneous mixtures, while colloids and suspensions are heterogeneous (3 replies)
  127. Mixtures like colloids and suspensions CAN be physically separated. (1 replies)
  128. Missing money (6 replies)
  129. The ol suffix (4 replies)
  130. What conditions are required for this hypothetical creature to exist? (13 replies)
  131. The less enthalpy a substance the more stable it is. But why? (3 replies)
  132. Double salts (1 replies)
  133. Ethanol vaporization (4 replies)
  134. Chemistry (2 replies)
  135. Changing the pH of H2O (1 replies)
  136. Does molybdate and hydrogen peroxide react in water? (1 replies)
  137. Are these chemicals organic / carbon-based? (1 replies)
  138. Substance, compound, or mixture that can turn liquid white? (0 replies)
  139. Crystal Growth Question (0 replies)
  140. Alumina-Activated alumina-Al2 O3 (1 replies)
  141. Stability of carbocation (1 replies)
  142. Calcium diet supplement capsule to defluoridate water (7 replies)
  143. Metals (13 replies)
  144. Final Concentration (1 replies)
  145. Chemistry true or false (2 replies)
  146. Chemistry true or false (2 replies)
  147. Chemistry (2 replies)
  148. The best way to separate a mixture of iron fillings and sand is to use filtering. (6 replies)
  149. Can you do electrolysis of sodium hydroxide with a 9v battery (2 replies)
  150. Ways of manufasture of 6-methylhept-1-ene (5026-76-6) ((CH₃)₃CCH=C(CH₃)₂)? (2 replies)
  151. Quartz watch (1 replies)
  152. Calculation of p.p.m. (2 replies)
  153. Chemical kinetics (2 replies)
  154. Diference between basicity and alkalinity (3 replies)
  155. Find the Molarity with pOH (1 replies)
  156. Rate of Reaction Please Help (2 replies)
  157. Boiling water is one temperature, right?? (4 replies)
  158. Chemistry molar fraction (0 replies)
  159. Rates of Reaction between Sodium Thiosulfate and Hydrochloric Acid and improvements t (1 replies)
  160. Kick starting fermentation (1 replies)
  161. Why does aluminium and potassium nitrate not react when mixed (1 replies)
  162. Name the chemical (1 replies)
  163. What is the name of this organic molecule? (4 replies)
  164. How do I calculate the concentration of vinegar from know ph? (1 replies)
  165. Water in rust (0 replies)
  166. Basic doubts on salts dissolving in water. (0 replies)
  167. Concentration amount of Magnesium Chloride (1 replies)
  168. HLB value (0 replies)
  169. Vapor pressure of water (0 replies)
  170. Total pressure of vessel (5 replies)
  171. Why Do Unhybridized Orbitals Undergo Pi-Bond ? (2 replies)
  172. Mystery Experiment (1 replies)
  173. A 0.24 g sample of compound of oxygen and boron was found by analysis to contain 0.09 (1 replies)
  174. Electrolysis of a reaction (2 replies)
  175. Glow in the dark Phosphors-How can we make them glow even brighter? (3 replies)
  176. Why at constant volume ? (1 replies)
  177. Can you put multiple alloy compositions into one titanium alloy composition? (4 replies)
  178. How many grams of NaNo3 can be dissolved in 100g of water at 30 degree Celsius? (0 replies)
  179. Why lead form ionic compound (1 replies)
  180. Etc alcohol (3 replies)
  181. Acetone vapor is used to smooth the layer lines on ABS plastic 3D prints. It seems t (2 replies)
  182. If the electron of a hydrogen atom transitions from energy level n=5 to n=3, which le (1 replies)
  183. Never-Explained Crystal-Defects (0 replies)
  184. What is the difference between methylene blue and methyl violet?Can I use methylene b (0 replies)
  185. Molar solubility of AgCrO4 in solution when 0.05M K2CrO4 iss mixed with 0.12m AgNO3 (0 replies)
  186. Will a mixture of barium sulfide and barium carbonate burn the skin? (2 replies)
  187. Can 1M FeSO4 solution be stored in nickel vessel (0 replies)
  188. Does olive oil reflects some infrared radiation (1 replies)
  189. Chemistry and anatomy (4 replies)
  190. What is the purpose of calibrating a blood chemistry analyzer? (3 replies)
  191. What's Aromantic semi auto-polysexual? (1 replies)
  192. Calculate the number of grams of solute in 0.230L of 0.120M KBr (0 replies)
  193. Absorbance (0 replies)
  194. Electrolysis (1 replies)
  195. Will there be any reaction ( precipitating reaction ) when mixing these in water ? (0 replies)
  196. Quantum no. (1 replies)
  197. Chemical which melts rocks (3 replies)
  198. I need help doing my chemistry I don't understand (1 replies)
  199. Density of the air (1 replies)
  200. How to make 283.4 PPM of Sodium Carbonate Bi-Carbonate (0 replies)
  201. Gravimetric Analysis of Sulfate (3 replies)
  202. Chemistry (1 replies)
  203. How would you know if … is H-Bond or Perm Dipole or Induced Dipole (0 replies)
  204. Bi2Ir2O7 + HCl will give what?And at what temperature will the reaction happen? (1 replies)
  205. How do I find the molar mass of the hydrocarbon with only this much of information? (0 replies)
  206. If steam produces severe burns, how do people take steam baths? (8 replies)
  207. Is there any compound which easily gets oxideised or reduced by exploser to sunlight (2 replies)
  208. Stiochiometry (1 replies)
  209. The standard molar heat of vaporization for water is 40.79 kJ/mol. (2 replies)
  210. How to produce hommade metallic ink mixing aluminium powder with some blinder? (5 replies)
  211. T/F chemistry (1 replies)
  212. the Ka of CH3COOH is 1.76 x10-5. Calculate the pH of a buffer that is 0.10M in CH3COO (0 replies)
  213. Chemistry/physics help (1 replies)
  214. Chemistry/physics help (5 replies)
  215. Elements (2 replies)
  216. How many grams are needed to make 200.0 ml of a 50mgml-1 Carbon solution? Carbon=12.0 (1 replies)
  217. Adhesive (1 replies)
  218. I saw my friend answering this and I still don't understand it, it's confusing me so. (1 replies)
  219. Coated calcium carbonate (2 replies)
  220. Ask chemistry questions (0 replies)
  221. Tomato juice has a pH of 4. The concentration of H+ in tomoato juice is how many tim (3 replies)
  222. Condition for a compoun to be solid or liquid or gas at stp (1 replies)
  223. Chemistry (1 replies)
  224. Spectrosccopy (0 replies)
  225. Ask chemistry doubts (1 replies)
  226. Why you have to prepare lassaign solution (0 replies)
  227. What is the procedure for calibrating uv? (1 replies)
  228. How many moles of N2H6O are required to produce 8 moles of NO2 (1 replies)
  229. Iron (II) sulfate is more reactive with.. (3 replies)
  230. Buffer Problem (4 replies)
  231. Answers to Chemistry Problems (1 replies)
  232. Chemistry homework help (1 replies)
  233. Change in litmus solution (3 replies)
  234. Other than dental and fluoridation, what are industrial uses of sodium fluoride? (1 replies)
  235. How much energy is given out during the reaction: 8 C5H18N2 + 20 O2 =32 H2O + 5 C8H16 (2 replies)
  236. Lab Questions (1 replies)
  237. Temperature change experiment, help? (1 replies)
  238. Solar Electricity to separate Hydrogen and oxygen from water (2 replies)
  239. How does Phosphorus have an extra d orbital for bonding? (0 replies)
  240. Does the temperature increase during melting? (2 replies)
  241. Halogenation (1 replies)
  242. What is avagadro's number, and what is its physical significance? (4 replies)
  243. Boron (2 replies)
  244. Physical and chemical properties of group 2 elements. (3 replies)
  245. No longer free radicals in fried food? (2 replies)
  246. Wheels shiner (1 replies)
  247. How to make a specific ink (0 replies)
  248. What is liberated when a strip of copper is dipped in a silver nitrate solution? (2 replies)
  249. Do dimers of a homodimer act differently? (0 replies)
  250. Why ethyl alcohol is soluble in water in all proportions? (1 replies)