1. If 12.26L of gas A reacts according to the following equation 2A(g)+3B(g)à9C (g) + 6D(g)what volumes of gases C and D are produced?
2 a.) If 58.3 grams of a 14% (m/m) solution of NaOH were boiled to dryness, how much NaOH would remain?
b.) If the recovered NaOH (from part a) were re-dissolved in 1.22kg of water, what would the resulting molaity be?
3. How much concentrated acid is required to make 250mL of 3.50 M HCl?(Concentrated hydrochloric acid is 12.1 M.)
4. If 2.20 L ofa gas at 754 torr and 580 mL of gas at 0.988 atm are combined and allowed to diffuse in a 6.00L container, what is the total pressure of the new system?
5. A sample of water at 0 degrees celcius releases 6.7 kJ of energy.How much ice is formed? (Heat of fusion of water = 335J/gHeat of vaporization of water = 2.26 kJ/g)