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At 320 K and 16 atmospheres, the molar volume of ammonia (NH3) is about 10 % less than that of an ideal gas. Explain this observation.
A 14.5 gram sample of gas is found to have a volume of 2.8 liters at 275 K and 1.10 atm. What is the molar mass of this gas?
Write balanced chemical equations for the following reactions.
The activation energy for a particular reaction is 95 kJ/mol. By what factor will the rate constant increase when the temperature is increased from 50 oC to 62 oC?
differentiate acids from compounds that contains hydrogen and an anion, or oxyanions and are not acids
Calculate the final temperature that results when a 13.0 -g sample of water at 23.1C absorbs 870 J of heat.
How would (The weak base sample was impure, containing about 5% inert material) affect the values of Ka for the weak acid unknown and the values of the molar mass for the disodium salt
Propane reacts with excess oxygen to produce carbon dioxide gas and water. What volume of CO2,measured at 27.2 °C and 0.918 atm, is produced from the reaction of 10.1 g propane with excess oxygen.
What is the value of K_sp for tin(II) sulfide, given that its solubility
From the ration of the mass of the black product to the initial 5g placed in the flask, could the remaining black compound be the anhydrous copper carbonate hydroxide molecule?
Construct a cel from Ni(s), Ni^2+(l), Cd(s) and Cd^2+(l) a. What would be the anode and what would be the cathode? b. indicate the half reactions happening at each the anode and the cathode
How many grams of dry NH_4Cl need to be added to 2.10 L of a 0.100 it M solution of ammonia, NH_3, to prepare a buffer solution that has a pH of 8.84? K_b for ammonia is 1.8 * 10^{-5}
If 1.87 of acetic acid() reacts with 2.31 of isopentyl alcohol() to give 2.96 of isopentyl acetate(), what is the percent yield of the reaction?
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