**5.**For the following reaction:\[ \text{PCl}_3 \, (g) + \text{Cl}_2 \, (g) \rightleftharpoons \text{PCl}_5 \, (g) \]it was found that a 4.00 L vessel at equilibrium contained 0.0148 mol PCl₃, 0.0126 mol Cl₂, and 0.991 mol of PCl₅.a. Write an expression for Kc.b. Determine the value of Kc for this reaction.---**6.**For the following reaction:\[ \text{H}_2\text{O} \, (g) + \text{CO} \, (g) \rightleftharpoons \text{H}_2 \, (g) + \text{CO}_2 \, (g) \]a 1.00 L container initially contains 0.0150 mol of H₂O vapor and 0.0150 mol of CO. Once the reaction reaches equilibrium, the vessel contains 0.0083 mol of CO₂.a. Write an expression for Kc. H₂O is part of the expression.b. What are the equilibrium concentrations of H₂O, CO, and H₂?c. What is the value of Kc?

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5. For the following reaction PC13 (8) + Cl2 (8) → PCI5 (g) it was found that a 4.00L vessel at equilibrium contained 0.0148 mol PCl3, 0.0126 mol Cl₂, and 0.991 mol of PCI5. a. Write an expression for Kc. b. Determine the value of Ke for this reaction.

5. For the following reaction PC13 (8) + Cl2 (8) → PCI5 (g) it was found that a 4.00L vessel at equilibrium contained 0.0148 mol PCl3, 0.0126 mol Cl₂, and 0.991 mol of PCI5. a. Write an expression for Kc. b. Determine the value of Ke for this reaction.

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...

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Question

**5.**

For the following reaction:

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

it was found that a 4.00 L vessel at equilibrium contained 0.0148 mol PCl₃, 0.0126 mol Cl₂, and 0.991 mol of PCl₅.

a. Write an expression for Kc.

b. Determine the value of Kc for this reaction.

---

**6.**

For the following reaction:

\[ \text{H}_2\text{O} \, (g) + \text{CO} \, (g) \rightleftharpoons \text{H}_2 \, (g) + \text{CO}_2 \, (g) \]

a 1.00 L container initially contains 0.0150 mol of H₂O vapor and 0.0150 mol of CO. Once the reaction reaches equilibrium, the vessel contains 0.0083 mol of CO₂.

a. Write an expression for Kc. H₂O is part of the expression.

b. What are the equilibrium concentrations of H₂O, CO, and H₂?

c. What is the value of Kc?

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