Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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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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