### Equilibrium Calculation Example**Problem:**Given the reaction: \[ 2 \text{H}_2\text{S(g)} \rightleftharpoons 2 \text{H}_2\text{(g)} + \text{S}_2\text{(g)} \]where \( K_c = 9.3 \times 10^{-8} \) at 400°C.3.5 moles of \(\text{H}_2\text{S}\) are placed in a 3.0 L container and the system is allowed to reach equilibrium. Calculate the concentration of \(\text{H}_2\) at equilibrium.**Options:**1. **3.1 × 10⁻³ M** (Your answer)2. **4.8 × 10⁻³ M**3. **2.7 × 10⁻⁸ M**4. **3.2 × 10⁻⁴ M**5. **6.3 × 10⁻³ M** (Correct answer)

Answered: Image /qna-images/answer/935dd285-baa9-4472-86b3-ff66e43fef05.jpg

(Incorrect) 2 H₂S(g) + 2 H₂(g) + S₂(g) Kc = 9.3x 108 at 400°C 3.5 moles of H₂S are placed in a 3.0 L container and the system is allowed to reach equilibrium. Calculate the concentration of H₂ at equilibrium. 3.1 x 10-3 M (Your answer) 4.8 x 10-3 M 2.7 x 10-8 M 3.2 × 10-4 M 6.3 x 10-3 M (Correct answer)

(Incorrect) 2 H₂S(g) + 2 H₂(g) + S₂(g) Kc = 9.3x 108 at 400°C 3.5 moles of H₂S are placed in a 3.0 L container and the system is allowed to reach equilibrium. Calculate the concentration of H₂ at equilibrium. 3.1 x 10-3 M (Your answer) 4.8 x 10-3 M 2.7 x 10-8 M 3.2 × 10-4 M 6.3 x 10-3 M (Correct answer)

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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