ANSWER THE FOLLOWING PLS 1. For a reaction in equilibrium, which of the following is incorrect if forward reaction is endothermic? a. Increasing the temperature will favor forward reaction. b. The reverse reaction is exothermic. c. Decreasing the temperature will favor reverse reaction. d. Only the forward reaction will be affected by changes in temperature. 2. Which of the following will not affect systems in equilibrium? a.Adding a catalyst. b.Changing the temperature. c. Changing the pressure. d. Changing the volume. 3. The decomposition of phosphorus pentachloride (PCl5) to phosphorus trichloride (PCl3) and the chlorine gas is a reversible process: PCl5(g) ⇌ PCl3(g) + Cl2(g). The equilibrium constant Kc fro the reaction was found to be 0.024 at 523 K. If the equilibrium concentrations of PCl5 and PCl3 gases are 0.037 M and 0.012 M, respectively, what is the equilibrium concentration of the Cl2 gas? a. 0.0078 M b. 1.2 M c. 0.074 M d. 0.019 M
ANSWER THE FOLLOWING PLS 1. For a reaction in equilibrium, which of the following is incorrect if forward reaction is endothermic? a. Increasing the temperature will favor forward reaction. b. The reverse reaction is exothermic. c. Decreasing the temperature will favor reverse reaction. d. Only the forward reaction will be affected by changes in temperature. 2. Which of the following will not affect systems in equilibrium? a.Adding a catalyst. b.Changing the temperature. c. Changing the pressure. d. Changing the volume. 3. The decomposition of phosphorus pentachloride (PCl5) to phosphorus trichloride (PCl3) and the chlorine gas is a reversible process: PCl5(g) ⇌ PCl3(g) + Cl2(g). The equilibrium constant Kc fro the reaction was found to be 0.024 at 523 K. If the equilibrium concentrations of PCl5 and PCl3 gases are 0.037 M and 0.012 M, respectively, what is the equilibrium concentration of the Cl2 gas? a. 0.0078 M b. 1.2 M c. 0.074 M d. 0.019 M
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
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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ANSWER THE FOLLOWING PLS
1. For a reaction in equilibrium, which of the following is incorrect if forward reaction is endothermic?
a. Increasing the temperature will favor forward reaction.
b. The reverse reaction is exothermic.
c. Decreasing the temperature will favor reverse reaction.
d. Only the forward reaction will be affected by changes in temperature.
2. Which of the following will not affect systems in equilibrium?
a.Adding a catalyst.
b.Changing the temperature.
c. Changing the pressure.
d. Changing the volume.
3. The decomposition of phosphorus pentachloride (PCl5) to phosphorus trichloride (PCl3) and the chlorine gas is a reversible process: PCl5(g) ⇌ PCl3(g) + Cl2(g). The equilibrium constant Kc fro the reaction was found to be 0.024 at 523 K. If the equilibrium concentrations of PCl5 and PCl3 gases are 0.037 M and 0.012 M, respectively, what is the equilibrium concentration of the Cl2 gas?
a. 0.0078 M
b. 1.2 M
c. 0.074 M
d. 0.019 M
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