Consider the following system at equilibrium where AH° = 87.9 kJ, and K. = 1.20x10-2, at 500 K. PCI5(9) 2 PCI3(g) + Cl2(g) If the VOLUME of the equilibrium system is suddenly decreased at constant temperature: The value of K. 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 K.. 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.

Chemistry: The Molecular Science
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Chapter12: Chemical Equilibrium
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Problem 6QRT: Indicate whether each statement below is true or false. If a statement is false, rewrite it to...
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Consider the following system at equilibrium where AH° =
87.9 kJ, and K, = 1.20×10-2, at 500 K.
?
PCI5(9) 2 PCI3(g) + Cl2(g)
If the VOLUME of the equilibrium system is suddenly decreased at constant temperature:
The value of K.
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 Cl2 will:
A. increase.
B. decrease.
C. remain the same.
Transcribed Image Text:Consider the following system at equilibrium where AH° = 87.9 kJ, and K, = 1.20×10-2, at 500 K. ? PCI5(9) 2 PCI3(g) + Cl2(g) If the VOLUME of the equilibrium system is suddenly decreased at constant temperature: The value of K. 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 Cl2 will: A. increase. B. decrease. C. remain the same.
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