1) The solubility of H2S (g) in water at 0 C and 1.0 atm partial pressure of H2S is 0.195 M. What is its solubility when the partial pressure is changed to 0.711 atm at 0 C? A. 0.274 M B. 105 M C. 274 M D. 0.105 M E. 0.139 M

2) Nitric oxide (NO) can be removed from gas-fired powerplant emissions by reaction with methane according to the following equation: CH4 (g) + 4 NO (g) 2 N2 (g) + CO2 (g) + 2 H2O (g) If the rate of concentration change of water is 0.4 M/s, what is the rate of concentration change for nitric oxide? A. 0.8 M/s B. 0.4 M/s C. 1.6 M/s D. 1.6 M/s E. 0.8 M/s

3) A first order decomposition reaction was found to have an initial rate of 0.19 M min1 when the initial reactant concentration was 0.33 M. What is the initial rate of reaction if the initial concentration is increased to 0.45 M? A. 0.26 M min1 B. 1.3 M min1 C. 0.78 M min1 D. 0.19 M min1 E. 0.58 M min1