Consider the following system at equilibrium where H° = 111 kJ, and Kc = 6.30, at 723 K.2NH3(g) N2(g) + 3H2(g)If the VOLUME of the equilibrium system is suddenly increased at constant temperature: The value of Kc A. increases. B. decreases. C. remains the same. The value of Qc A. is greater than Kc. B. is equal to Kc. C. is less than Kc. The reaction must: A. run in the forward direction to reestablish equilibrium. B. run in the reverse direction to reestablish equilibrium. C. remain the same. It is already at equilibrium. The number of moles of H2 will: A. increase. B. decrease. C. remain the same.
Consider the following system at equilibrium where H° = 111 kJ, and Kc = 6.30, at 723 K.2NH3(g) N2(g) + 3H2(g)If the VOLUME of the equilibrium system is suddenly increased at constant temperature: The value of Kc A. increases. B. decreases. C. remains the same. The value of Qc A. is greater than Kc. B. is equal to Kc. C. is less than Kc. The reaction must: A. run in the forward direction to reestablish equilibrium. B. run in the reverse direction to reestablish equilibrium. C. remain the same. It is already at equilibrium. The number of moles of H2 will: A. increase. B. decrease. C. remain the same.
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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Consider the following system at equilibrium where H° = 111 kJ, and Kc = 6.30, at 723 K.
2NH3(g) N2(g) + 3H2(g)
If the VOLUME of the equilibrium system is suddenly increased at constant temperature:
| The value of Kc | A. increases. | |
| B. decreases. | ||
| C. remains the same. |
| The value of Qc | A. is greater than Kc. | |
| B. is equal to Kc. | ||
| C. is less than Kc. |
| The reaction must: | A. run in the forward direction to reestablish equilibrium. | |
| B. run in the reverse direction to reestablish equilibrium. | ||
| C. remain the same. It is already at equilibrium. |
| The number of moles of H2 will: | A. increase. | |
| B. decrease. | ||
| C. remain the same. |
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