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8. Which one of the following statements is FALSE? A) The average rate of a reaction decreases as the reaction proceeds. B) It is not possible to determine the rate of a reaction from its balanced equation. C) The rate of zero order reactions are not dependent on concentration. D) The half-life of a first order reaction is dependent on the initial concentration of reactant.

8. Which one of the following statements is FALSE? A) The average rate of a reaction decreases as the reaction proceeds. B) It is not possible to determine the rate of a reaction from its balanced equation. C) The rate of zero order reactions are not dependent on concentration. D) The half-life of a first order reaction is dependent on the initial concentration of reactant.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter12: Chemical Kinetics
Section: Chapter Questions
Problem 5ALQ: Consider the following statements: In general, the rate of a chemical reaction increases a bit at...
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8. Which one of the following statements is FALSE? A) The average rate of a reaction decreases as the reaction proceeds. B) It is not possible to determine the rate of a reaction from its balanced equation. C) The rate of zero order reactions are not dependent on concentration. D) The half-life of a first order reaction is dependent on the initial concentration of reactant. 9. Assume that the following chemical reaction is at equilibrium. 2 ICI(g) 12(g) + Cl₂(g) AH = +26.9 kJ At 25 °C, Kp = 2.0 x 105. If the temperature is increased to 45 °C, which statement applies? B) Kp will decrease and the reaction will proceed in the backward direction. Kp will decrease and the reaction will proceed in the forward direction. C) Kp will remain unchanged and the reaction will proceed in the forward direction. D) K, will increase and the reaction will proceed in the backward direction. E) Kp will increase and the reaction will proceed in the forward direction. 10) Consider the following reaction at equilibrium. What effect will reducing the volume of the reaction mixture have on the system? CuS(s) + O2(g) = Cu(s) + SO2(g) A) The equilibrium constant will decrease. B) No effect will be observed. C) The reaction will shift to the right in the direction of products. D) The equilibrium constant will increase. EThe reaction will shift to the left in the direction of reactants. 4
Transcribed Image Text:8. Which one of the following statements is FALSE? A) The average rate of a reaction decreases as the reaction proceeds. B) It is not possible to determine the rate of a reaction from its balanced equation. C) The rate of zero order reactions are not dependent on concentration. D) The half-life of a first order reaction is dependent on the initial concentration of reactant. 9. Assume that the following chemical reaction is at equilibrium. 2 ICI(g) 12(g) + Cl₂(g) AH = +26.9 kJ At 25 °C, Kp = 2.0 x 105. If the temperature is increased to 45 °C, which statement applies? B) Kp will decrease and the reaction will proceed in the backward direction. Kp will decrease and the reaction will proceed in the forward direction. C) Kp will remain unchanged and the reaction will proceed in the forward direction. D) K, will increase and the reaction will proceed in the backward direction. E) Kp will increase and the reaction will proceed in the forward direction. 10) Consider the following reaction at equilibrium. What effect will reducing the volume of the reaction mixture have on the system? CuS(s) + O2(g) = Cu(s) + SO2(g) A) The equilibrium constant will decrease. B) No effect will be observed. C) The reaction will shift to the right in the direction of products. D) The equilibrium constant will increase. EThe reaction will shift to the left in the direction of reactants. 4
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