Textbook QuestionConsider the following equilibrium: 2 H2(g) + S2(g) ⇌ 2 H2S(g) Kc = 1.08 × 107 at 700°C (b) Does the equilibrium mixture contain mostly H2 and S2 or mostly H2S?
Multiple ChoiceAt T = 700 K, the equilibrium constant for the reaction CCl4(g) ⇌ C(s) + 2 Cl2(g) is K_p = 0.76. A flask is charged with 3.0 atm of CCl4(g) at 700 K, which is then allowed to reach equilibrium. What is the partial pressure of Cl2(g) in the flask?352views
Multiple ChoiceAt a certain temperature, the equilibrium constant Kc for the reaction 2 C(s) + O2(g) ⇌ 2 CO(g) is 4.72. What is the equilibrium constant Kc for the reverse reaction CO(g) ⇌ C(s) + 0.5 O2(g) at the same temperature?363views
Multiple ChoiceCalculate the equilibrium constant Kc at 256 K for the reaction SO2(g) + Cl2(g) ⇌ SO2Cl2(g) if Kp = 42 at this temperature. Assume the reaction involves gases and use the relation between Kp and Kc.255views
Multiple ChoiceCalculate the equilibrium constant Kc for the reaction N2O4(g) ⇌ 2NO2(g) given that at equilibrium at 100°C, [N2O4] = 0.0014 M and [NO2] = 0.0172 M.293views
Multiple ChoiceConsider the following equilibrium, for which Kp = 7.54×10⁻² at 490 °C: 2Cl2(g) + 2H2O(g) ⇌ 4HCl(g) + O2(g). What is the value of Kc for the following reaction? Cl2(g) + H2O(g) ⇌ 2HCl(g) + 0.5O2(g)298views
Multiple ChoiceConsider the reaction: 2CO(g) + O2(g) ⇌ 2CO2(g). What is the correct equilibrium expression for this reaction?266views
Multiple ChoiceConsider the reaction: A2 + B2 <--> 2AB. The reactants are mixed together, and the following is a plot of the reactant and the product concentrations with time. If at equilibrium, the concentration of A2 is 0.5 M, B2 is 0.5 M, and AB is 1.0 M, what is the value of the equilibrium constant K?291views
