Consider the following system at equilibrium where AH° =-87.9 kJ, and K. = 83.3 , at 500 K: %3D 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 Q. A. Is greater than K. B. Is equal to Kc 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
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
icon
Related questions
Question
**Consider the following system at equilibrium where ΔH° = -87.9 kJ, and Kc = 83.3, at 500 K:**

\[ \text{PCl}_3 (g) + \text{Cl}_2 (g) \rightleftharpoons \text{PCl}_5 (g) \]

**If the TEMPERATURE on the equilibrium system is suddenly increased:**

1. **The value of Kc:**
   - A. Increases
   - B. Decreases
   - C. Remains the same

2. **The value of Qc:**
   - A. Is greater than Kc
   - B. Is equal to Kc
   - C. Is less than Kc

3. **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. Already at equilibrium.

4. **The concentration of Cl₂ will:**
   - A. Increase
   - B. Decrease
   - C. Remain the same.

**[Submit Answer] [Retry Entire Group]**  
8 more group attempts remaining

---

This setup involves a chemical equilibrium reaction where you need to determine the effects of temperature changes on the equilibrium constant (Kc), the reaction quotient (Qc), the direction of the reaction, and concentration changes.
Transcribed Image Text:**Consider the following system at equilibrium where ΔH° = -87.9 kJ, and Kc = 83.3, at 500 K:** \[ \text{PCl}_3 (g) + \text{Cl}_2 (g) \rightleftharpoons \text{PCl}_5 (g) \] **If the TEMPERATURE on the equilibrium system is suddenly increased:** 1. **The value of Kc:** - A. Increases - B. Decreases - C. Remains the same 2. **The value of Qc:** - A. Is greater than Kc - B. Is equal to Kc - C. Is less than Kc 3. **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. Already at equilibrium. 4. **The concentration of Cl₂ will:** - A. Increase - B. Decrease - C. Remain the same. **[Submit Answer] [Retry Entire Group]** 8 more group attempts remaining --- This setup involves a chemical equilibrium reaction where you need to determine the effects of temperature changes on the equilibrium constant (Kc), the reaction quotient (Qc), the direction of the reaction, and concentration changes.
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Chemical Equilibrium
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY