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Calculate AS° at 25°C for the reduction of PbO(s), 2P6O(s) + C(s) 2Pb(s) + CO 2(g) given these absolute entropies: S° (J/K mol) 69.45 PbO(s) C(s) Pb(s) CO:(g) 5.7 64.89 213.6 +198.8 J/K mol O-203.3 J/K mol O +488.0 J/K-mol O+203.3 J/K-mol +353.6 J/K mol

Calculate AS° at 25°C for the reduction of PbO(s), 2P6O(s) + C(s) 2Pb(s) + CO 2(g) given these absolute entropies: S° (J/K mol) 69.45 PbO(s) C(s) Pb(s) CO:(g) 5.7 64.89 213.6 +198.8 J/K mol O-203.3 J/K mol O +488.0 J/K-mol O+203.3 J/K-mol +353.6 J/K mol

Chemistry
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 3

**Question 3: Entropy Calculation** Calculate ΔS° at 25°C for the reduction of PbO(s), using the following reaction: \[ 2\text{PbO}(s) + \text{C}(s) \rightarrow 2\text{Pb}(s) + \text{CO}_2(g) \] Given the absolute entropies: - **PbO(s):** 69.45 J/K·mol - **C(s):** 5.7 J/K·mol - **Pb(s):** 64.89 J/K·mol - **CO₂(g):** 213.6 J/K·mol **Select the correct entropy change (ΔS°) from the options below:** - **+198.8 J/K·mol** - **−203.3 J/K·mol** - **+488.0 J/K·mol** - **+203.3 J/K·mol** - **+353.6 J/K·mol** **Instructions:** - Use the given data to calculate the entropy change for the reaction. - Consider the states of matter and stoichiometry. - Choose the correct answer from the options provided.
Transcribed Image Text:**Question 3: Entropy Calculation** Calculate ΔS° at 25°C for the reduction of PbO(s), using the following reaction: \[ 2\text{PbO}(s) + \text{C}(s) \rightarrow 2\text{Pb}(s) + \text{CO}_2(g) \] Given the absolute entropies: - **PbO(s):** 69.45 J/K·mol - **C(s):** 5.7 J/K·mol - **Pb(s):** 64.89 J/K·mol - **CO₂(g):** 213.6 J/K·mol **Select the correct entropy change (ΔS°) from the options below:** - **+198.8 J/K·mol** - **−203.3 J/K·mol** - **+488.0 J/K·mol** - **+203.3 J/K·mol** - **+353.6 J/K·mol** **Instructions:** - Use the given data to calculate the entropy change for the reaction. - Consider the states of matter and stoichiometry. - Choose the correct answer from the options provided.
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