CHEM 134 Lecture Notes - Lecture 12: Endothermic Process, Equilibrium Constant, Exothermic Process
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5 Feb 2018
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Related Documents
Related Questions
1. Consider the following system at equilibrium where delta HĆĀ° = 18.8 kJ, and Kc = 9.52ĆĀ10-2, at 350 K.
CH4(g) + CCl4(g) inverse 2CH2Cl2(g)
If the VOLUME of the equilibrium system is suddenly decreased 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 CCl4 will: | A. increase. | |
B. decrease. | ||
C. remain the same. |
2. Consider the following system at equilibrium where delta HĆĀ° = -18.8 kJ, and Kc = 10.5, at 350 K.
2CH2Cl2(g) inverse CH4(g) + CCl4(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 CCl4 will: | A. increase. | |
B. decrease. | ||
C. remain the same. |