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.
Chapter17: Spontaneity, Entropy, And Free Energy
Section: Chapter Questions
Problem 78E: Consider the following reaction at 298 K: 2SO2(g)+O2(g)2SO3(g) An equilibrium mixture contains O2(g)...
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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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