SOLVED

31) Calculate P [NO]eq, if P [NOCl]eq = 0.33 atm, P [Cl2]eq = 0.50 atm, and Kp = 1.9 × 10-2. 2 NOCl(g) ? 2 NO(g) + Cl2(g) A) 1.7 atm B) 0.0042 atm C) 0.30 atm D) 0.064 atm E) 0.087 atm CH4(g) + 2 H2S(g) ? CS2(g) + 4 H2(g) A reaction mixture initially contains 0.50 M CH4 and 0.75 M H2S. If the equilibrium concentration of H2 is 0.44 M, find the equilibrium constant (Kc) for the reaction. A) 0.23 B) 0.038 C) 2.9 D) 10. E) 0.34 33) Which of the following statements is true? A) Dynamic equilibrium occurs when the rate of the forward reaction equals the rate of the reverse reaction. B) The equilibrium constant for the forward reaction is equal to the equilibrium constant for the reverse reaction. C) A reaction quotient (Q) larger than the equilibrium constant (K) means that the reaction will favor the production of more products. D) Dynamic equilibrium indicates that the amount of reactants and products are equal. E) All of the above are true. 34) In a reaction mixture containing only reactants, what is the value of Q? A) -1 B) 1 C) ∞ D) 0 E) It cannot be determined without concentrations. 35) In a reaction mixture containing only products, what is the value of Q? A) -1 B) 1 C) ∞ D) 0 E) It cannot be determined without concentrations. 36) In a reaction mixture containing reactants and products, each at a concentration of 1M, what is the value of Q? A) -1 B) 1 C) ∞ D) 0 E) It cannot be determined without concentrations. 37) Which of the following statements is true? A) If Q < K, it means the reverse reaction will proceed to form more reactants. B) If Q > K, it means the forward reaction will proceed to form more products. C) If Q = K, it means the reaction is at equilibrium. D) All of the above are true. E) None of the above are true. 38) Which of the following statements is true? A) If Q < K, it means the reverse reaction will proceed to form more reactants. B) If Q > K, it means the reverse reaction will proceed to form more reactants. C) If Q = K, it means the reaction is not at equilibrium. D) All of the above are true. E) None of the above are true. 39) Which of the following statements is true? A) If Q < K, it means the forward reaction will proceed to form more products. B) If Q > K, it means the forward reaction will proceed to form more products. C) If Q = K, it means the reaction is not at equilibrium. D) All of the above are true. E) None of the above are true. 40) Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of H2O(g). C2H4(g) + H2O(g) ? C2H5OH(g)Kc = 9.0 × 103 [C2H4]eq = 0.015 M[C2H5OH]eq = 1.69 M A) 9.9 × 10-7 M B) 80. M C) 1.0 M D) 1.68 M E) 0.013 M