SOLVED

 16.1 Multiple Choice Questions 1) Equilibrium in which rate of the forward reaction equals the rate of the reverse reaction is A) dynamic. B) temperature independent. C) concentration independent. D) volume independent. E) impossible. 2) Chemical equilibrium is the result of A) all of the reactants being converted into products. B) stoppage of further reaction. C) formation of products equal in mass to the mass of the reactants. D) opposing reactions attaining equal rates. E) a loss of pressure in the system. 3) Which of the following statements is false? A) When K >> 1, the forward reaction is favored and essentially goes to completion. B) When K << 1, the reverse reaction is favored and the forward reaction does not proceed to a great extent. C) When K ≈ 1, neither the forward or reverse reaction is strongly favored, and about the same amount of reactants and products exist at equilibrium. D) K >> 1 implies that the reaction is very fast at producing products. E) None of the above. 4) Give the direction of the reaction, if K >> 1. A) The forward reaction is favored. B) The reverse reaction is favored. C) Neither direction is favored. D) If the temperature is raised, then the forward reaction is favored. E) If the temperature is raised, then the reverse reaction is favored. 5) Give the direction of the reaction, if K << 1. A) The forward reaction is favored. B) The reverse reaction is favored. C) Neither direction is favored. D) If the temperature is raised, then the forward reaction is favored. E) If the temperature is raised, then the reverse reaction is favored. 6) Give the direction of the reaction, if K ≈ 1. A) The forward reaction is favored. B) The reverse reaction is favored. C) Neither direction is favored. D) If the temperature is raised, then the forward reaction is favored. E) If the temperature is raised, then the reverse reaction is favored. 7) Express the equilibrium constant for the following reaction. 16 CH3Cl(g) + 8 Cl2(g) ⇔ 16 CH2Cl2(g) + 8 H2(g) A) K = B) K = C) K = D) K = E) K = 8) The equilibrium constant is given for one of the reactions below. Determine the value of the missing equilibrium constant. H2(g) + Br2(g) ? 2 HBr(g)Kc = 3.8 × 104 2 HBr(g) ? H2(g) + Br2(g)Kc = ? A) 1.9 × 104 B) 5.3 × 10-5 C) 2.6 × 10-5 D) 6.4 × 10-4 E) 1.6 × 103 9) The equilibrium constant is given for one of the reactions below. Determine the value of the missing equilibrium constant. H2(g) + Br2(g) ? 2 HBr(g)Kc = 3.8 × 104 4 HBr(g) ? 2 H2(g) + 2 Br2(g)Kc = ? A) 1.9 × 104 B) 5.1 × 10-3 C) 2.6 × 10-5 D) 6.9 × 10-10 E) 1.6 × 103 10) The equilibrium constant is given for one of the reactions below. Determine the value of the missing equilibrium constant. 2 SO2(g) + O2(g) ? 2 SO3(g)Kc = 1.7 × 106 SO3(g) ? 1/2 O2(g) + SO2(g)Kc = ? A) 3.4 × 102 B) 8.5 C) 1.3 × 103 D) 1.2 × 10-6 E) 7.7 × 10-4 1