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  1. Construction polyurethane paste for joints of buildings
  2. Calculate the amount of heat to change 10g of ice at -10C to steam at 100C (in cal's)
  3. Safe Shot glass fillers
  4. Differing sum of subatomic particles and mass of an atom
  5. How to chck acidity in ethyl acetate
  6. Molar ratio reactions
  7. Wittig reaction - unaffected functional groups
  8. An 80.0-gram sample of gas was heated from 25*C to 225*C. During the process, 346 J o
  9. Chemistry
  10. Hydrofluoric acid
  11. a carbonate of metal has the formula X2CO3 .the equation for the reaction of X2CO3
  12. Chemistry
  13. Protons, neutrons, and electrons are all found in the nucleus of an atom.
  14. Chemistry
  15. PV=nRT
  16. Chemistry Question - Avagadro's Number lab
  17. 3.01 molecules of compound B have a mass of 9g. Calculate molar mass.
  18. Nernst Equation Question (voltage)
  19. How many electrons are transferred in the following reaction?
  20. Gas laws
  21. Chemistry: Molecular Shapes?
  22. How do I balance the redox reaction NO3−(aq) + Mn(s) → NO(g) + Mn2+(aq)?
  23. Does Hypoflourus acid (H-O-F) show intramolecular hydrogen bonding?
  24. Synthesis of Benzocaine
  25. Name the compound
  26. A chemist at a pharmaceutical company is measuring equilibrium constants for reaction
  27. Themochemistry
  28. How to balance this equation
  29. What is the oxidation for
  30. Chem
  31. Alkalinity vs basicity
  32. Acid base redox coneptual and calculation
  33. Acid base hydrolysis
  34. Solution Concentrations... I need help!
  35. What is the volume of Sodium Hyrdoxide needed to neutralize the acid
  36. What is the mass of carbon dioxide formed?
  37. How many moles of reagent remains?
  38. Types of reactions
  39. Heat absorbed
  40. Law of mass reaction
  41. Need to write and balance this equation
  42. Iron
  43. Organosilicon compound
  44. Relative Mass
  45. If 22.0 g of CO2 have a pressure of 1.00 atm at 300 K, what is it's volume?
  46. Chemistry Answers Free
  47. Graph of pv/t vs t
  48. Chemistry question
  49. What is the ΔH° for the precipitation of 345.1 g of calcium sulfate from aqueous solu
  50. The equivalent conductance of 0.20 N solution of MgCl2 is 97.1 2—1 ^ S cm eq. at 25 C
  51. Chemistry Question
  52. what is the word equation for the decomposition of aluminum antimonide
  53. PH acids bases and salts
  54. Chemistry: Symbol for Nucleus
  55. Redox conceptual question help!!
  56. Chemistry-Surface Tension
  57. Oleic acid
  58. Rate of reaction
  59. Household ammonia
  60. Chemistry- Gas law help
  61. Spectator ions
  62. How to isolate RR Zeaxanthin from Paprika Oleoresin?
  63. The question about vaporize technology in medicine
  64. A sample of a compound boils away completely as is melting point. Is it a mixture?
  65. If 127g of CuO r allowed to react many with 7.50g of h2 how g of copper are produced?
  66. Tin (IV) iodide is soluble in acetone?
  67. How can I prevent myself and my team from being killed by Phosphine (PH3) ?
  68. Why ethyl alcohol is soluble in water in all proportions?
  69. Do dimers of a homodimer act differently?
  70. What is liberated when a strip of copper is dipped in a silver nitrate solution?
  71. How to make a specific ink
  72. Wheels shiner
  73. No longer free radicals in fried food?
  74. Physical and chemical properties of group 2 elements.
  75. Boron
  76. What is avagadro's number, and what is its physical significance?
  77. Halogenation
  78. Does the temperature increase during melting?
  79. How does Phosphorus have an extra d orbital for bonding?
  80. Solar Electricity to separate Hydrogen and oxygen from water
  81. Temperature change experiment, help?
  82. Lab Questions
  83. How much energy is given out during the reaction: 8 C5H18N2 + 20 O2 =32 H2O + 5 C8H16
  84. Other than dental and fluoridation, what are industrial uses of sodium fluoride?
  85. Change in litmus solution
  86. Chemistry homework help
  87. Answers to Chemistry Problems
  88. Buffer Problem
  89. Iron (II) sulfate is more reactive with..
  90. How many moles of N2H6O are required to produce 8 moles of NO2
  91. What is the procedure for calibrating uv?
  92. Why you have to prepare lassaign solution
  93. Ask chemistry doubts
  94. Spectrosccopy
  95. Chemistry
  96. Condition for a compoun to be solid or liquid or gas at stp
  97. Tomato juice has a pH of 4. The concentration of H+ in tomoato juice is how many tim
  98. Ask chemistry questions
  99. Coated calcium carbonate
  100. I saw my friend answering this and I still don't understand it, it's confusing me so.
  101. Adhesive
  102. How many grams are needed to make 200.0 ml of a 50mgml-1 Carbon solution? Carbon=12.0
  103. Elements
  104. Chemistry/physics help
  105. Chemistry/physics help
  106. the Ka of CH3COOH is 1.76 x10-5. Calculate the pH of a buffer that is 0.10M in CH3COO
  107. T/F chemistry
  108. How to produce hommade metallic ink mixing aluminium powder with some blinder?
  109. The standard molar heat of vaporization for water is 40.79 kJ/mol.
  110. Stiochiometry
  111. Is there any compound which easily gets oxideised or reduced by exploser to sunlight
  112. If steam produces severe burns, how do people take steam baths?
  113. How do I find the molar mass of the hydrocarbon with only this much of information?
  114. Bi2Ir2O7 + HCl will give what?And at what temperature will the reaction happen?
  115. How would you know if … is H-Bond or Perm Dipole or Induced Dipole
  116. Chemistry
  117. Gravimetric Analysis of Sulfate
  118. How to make 283.4 PPM of Sodium Carbonate Bi-Carbonate
  119. Density of the air
  120. I need help doing my chemistry I don't understand
  121. Chemical which melts rocks
  122. Quantum no.
  123. Will there be any reaction ( precipitating reaction ) when mixing these in water ?
  124. Electrolysis
  125. Absorbance
  126. Calculate the number of grams of solute in 0.230L of 0.120M KBr
  127. What's Aromantic semi auto-polysexual?
  128. What is the purpose of calibrating a blood chemistry analyzer?
  129. Chemistry and anatomy
  130. Does olive oil reflects some infrared radiation
  131. Can 1M FeSO4 solution be stored in nickel vessel
  132. Will a mixture of barium sulfide and barium carbonate burn the skin?
  133. Molar solubility of AgCrO4 in solution when 0.05M K2CrO4 iss mixed with 0.12m AgNO3
  134. What is the difference between methylene blue and methyl violet?Can I use methylene b
  135. Never-Explained Crystal-Defects
  136. If the electron of a hydrogen atom transitions from energy level n=5 to n=3, which le
  137. Acetone vapor is used to smooth the layer lines on ABS plastic 3D prints. It seems t
  138. Etc alcohol
  139. Why lead form ionic compound
  140. How many grams of NaNo3 can be dissolved in 100g of water at 30 degree Celsius?
  141. Can you put multiple alloy compositions into one titanium alloy composition?
  142. Why at constant volume ?
  143. Glow in the dark Phosphors-How can we make them glow even brighter?
  144. Electrolysis of a reaction
  145. A 0.24 g sample of compound of oxygen and boron was found by analysis to contain 0.09
  146. Mystery Experiment
  147. Why Do Unhybridized Orbitals Undergo Pi-Bond ?
  148. Total pressure of vessel
  149. Vapor pressure of water
  150. HLB value
  151. Concentration amount of Magnesium Chloride
  152. Basic doubts on salts dissolving in water.
  153. Water in rust
  154. How do I calculate the concentration of vinegar from know ph?
  155. What is the name of this organic molecule?
  156. Name the chemical
  157. Why does aluminium and potassium nitrate not react when mixed
  158. Kick starting fermentation
  159. Rates of Reaction between Sodium Thiosulfate and Hydrochloric Acid and improvements t
  160. Chemistry molar fraction
  161. Boiling water is one temperature, right??
  162. Rate of Reaction Please Help
  163. Find the Molarity with pOH
  164. Diference between basicity and alkalinity
  165. Chemical kinetics
  166. Calculation of p.p.m.
  167. Quartz watch
  168. Ways of manufasture of 6-methylhept-1-ene (5026-76-6) ((CH₃)₃CCH=C(CH₃)₂)?
  169. Can you do electrolysis of sodium hydroxide with a 9v battery
  170. The best way to separate a mixture of iron fillings and sand is to use filtering.
  171. Chemistry
  172. Chemistry true or false
  173. Chemistry true or false
  174. Final Concentration
  175. Metals
  176. Calcium diet supplement capsule to defluoridate water
  177. Stability of carbocation
  178. Alumina-Activated alumina-Al2 O3
  179. Crystal Growth Question
  180. Substance, compound, or mixture that can turn liquid white?
  181. Are these chemicals organic / carbon-based?
  182. Does molybdate and hydrogen peroxide react in water?
  183. Changing the pH of H2O
  184. Chemistry
  185. Ethanol vaporization
  186. Double salts
  187. The less enthalpy a substance the more stable it is. But why?
  188. What conditions are required for this hypothetical creature to exist?
  189. The ol suffix
  190. Missing money
  191. Mixtures like colloids and suspensions CAN be physically separated.
  192. Solutions are homogeneous mixtures, while colloids and suspensions are heterogeneous
  193. Solution concentration
  194. Find Experimental/Percentage Error Chemistry
  195. The steps of the scientific method must be followed in order every time an experiment
  196. net ionic equation
  197. Stoichiometry
  198. Lab questions
  199. Principles of Thermodynamics
  200. Metallic copper is oxidized by dilute nitric acid to form Cu2+ and NO.
  201. acid base equations
  202. Heat of fusion
  203. Moles
  204. Cinnamaldehyde
  205. Litmus paper
  206. Beta particles are written as
  207. reactions in an equation
  208. 10th edition ACS book... Hydrochloric acid mercury procedure
  209. How to draw 2-propyl cyclopentylethanoate
  210. Cold vapor mercury
  211. Trap Grease
  212. Using Impure Iron Powder
  213. What is junction potential?
  214. What are the synonyms of Finasteride?
  215. Atomic structure
  216. What elemental composition generates heat when cold?
  217. Why hcl can't give nascent chlorine while reacting with copper ?
  218. Bleach question
  219. Mercury(ll)oxide inhalation/skin absorption
  220. Another mixture question
  221. Consumed a glass of wine on Tuesday night, will it show up on EtG on Friday evening
  222. Turn a solid into a soluble solution
  223. Why?
  224. Periodic Tablet
  225. Chemical Mixture Question
  226. Muriatic acid and brass
  227. Methytriethoxysilane
  228. Chemistry
  229. Nuclear chemistry
  230. Calculate the volume in ml of a 0.1mol/l hpo3 sol. Required to titrate the 15ml of a
  231. CrO4
  232. Thermodynamics question
  233. How to use carbon dioxide
  234. NiSO4 is soluble in water
  235. Nucleophilic substitution or elimination?
  236. When to charge a rechargeable battery?
  237. Na2O9SiTi
  238. Palmitoleic acid + Brain health?
  239. Ration of phosphorous with oxygen
  240. Two Deep Cycle Batteries
  241. Questions for chemistry exams
  242. Recovery of solidified 2 4 diChloro 5 fluoro acetophenone
  243. Amount of heat absorbed per gram?
  244. What is zinc diacid phosphate
  245. Is there any coordination bond in benzene diazonium chloride
  246. Find the Ph for the solution.
  247. Chemistry Questions
  248. Chemistry Question
  249. Electrochem oxidation and reduction potentials?
  250. Decomposition of Leaves