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What is the molar mass of a gas that occupies a volume of 1.500 L at a pressure of 356 mm Hg, a temperature of 22.5 C and weighs 0.9847g?
when 1 of a fuel is burned at constant pressure it produces 3450 of heat and does does 11 ofwork.what is the value of
Describe the following combinations as either soluble or insoluble. 1. Sand sinks to the bottom of a beaker of water. 2.Antifreeze and water mix completely. 3. Benzene, a liquid, floats on the surface of water.
what volume of 3M sulphuric acid is required to neutralize all of the C 7 H 5 NaO 3 and the excess sodium hydroxide present after the initial reaction? Determine how much H 2 SO 4 was in excess?
Calculate the pH at the equivalence point for the titration of 0.130 M methylamine (CH3NH2) with 0.130 M HCl. The Kb of methylamine is 5.0× 10-4.
Three trials to determine concentration of unknown substance. Values: .210 M,.198M, .203 M . The actual concentration is .135 M.
The Ka of a monoprotic weak acid is 6.08 × 10-3. What is the percent ionization of a 0.187 M solution of this acid
What are the p, V, and T values of the final state of the same perfect gas after an adiabatic expansion to a final pressure of 0.100bar that follows the gas law: PV^(5/3)=constant
What polypeptide would be synthesized from the following template strand of DNA:3' CGG AGA CGG ACG 5'
What is the change in internal energy (in J) of a system that releases 675 J of thermal energy to its surroundings and has 7.60x10^2 cal of work done on it
1) Why does methylbenzoate dissolve in concentrated sulfuric acid? 2) Give a detailed mechanism for the reaction (Be Specific) 3) Expalin in detail why you obtain meta substitution and not ortho or para substitution.?
The chloride remained in solution because it was soluble. Next, an excess amount of silver nitrate was added, a reaction occurred, and silver chloride was precipitated which was removed from the solution by filtration.
the fluorocarbon c2cl3f3 has a normal boiling point of 47.6 celsius. the specific heats of c2cl3f3l and c2cl3f3g are
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