Consider the following system at equilibrium where AH° = -87.9 kJ, and K. 83.3, at 500 K: %3D PCI3 (g) + Cl2 (g) =PCI3 (g) If the TEMPERATURE on the equilibrium system is suddenly increased The value of K. A. Increases B. Decreases C. Remains the same The value of Qc A. Is greater than K. B. Is equal to K. C. Is less than K. The reaction must: A. Run in the forward direction to restablish equilibrium. B. Run in the reverse direction to restablish equilibrium. C. Remain the same, Already at equilibrium. The concentration of Cl, will: A. Increase. B. Decrease. C. Remain the same.
Consider the following system at equilibrium where AH° = -87.9 kJ, and K. 83.3, at 500 K: %3D PCI3 (g) + Cl2 (g) =PCI3 (g) If the TEMPERATURE on the equilibrium system is suddenly increased The value of K. A. Increases B. Decreases C. Remains the same The value of Qc A. Is greater than K. B. Is equal to K. C. Is less than K. The reaction must: A. Run in the forward direction to restablish equilibrium. B. Run in the reverse direction to restablish equilibrium. C. Remain the same, Already at equilibrium. The concentration of Cl, will: A. Increase. B. Decrease. C. Remain the same.
Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:10 access important values If heeded for this question.
Consider the following system at equilibrium where AH° = -87.9 kJ, and K. = 83.3, at 500 K:
PCI3 (g) + Cl2 (g) PCI5 (g)
If the TEMPERATURE on the equilibrium system is suddenly increased
The value of K.
A. Increases
B. Decreases
C. Remains the same
The value of Qc
A. Is greater than K.
B. Is equal to K.
C. Is less than K.
The reaction must:
A. Run in the forward direction to restablish equilibrium.
B. Run in the reverse direction to restablish equilibrium.
C. Remain the same. Already at equilibrium.
The concentration of Cl, will:
A. Increase.
B. Decrease.
C. Remain the same.
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Introduction
The direction in which a reaction occurs, depends on several factors. The factors are temperature, moles of reactants and products, pressure, and volume. The direction of the reaction is determined by using the Le-chatlier’s principle.
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