Eqn 1: ZnS(s) Eqn 2: S(s) + O2(g) Egn 3: ZnS(s) + O>(g)→ Zn(s) + SO2(g) Zn(s) + S(s) SO-(g) AG° = +198.3 kJ AG° = -300.1 kJ The decomposition of zinc sulfide (represented by Equation 1) can be accomplished by coupling the reaction to the combustion of sulfur (represented in Equation 2), which results in the overall reaction represented in Equation 3. a. Determine the free energy change for the reaction represented in Equation 3. b. Explain why the reactions represented in Equations 1 and 2 are suitable for coupling to produce a thermodynamically favorable process.

Eqn 1: ZnS(s) Eqn 2: S(s) + O2(g) Egn 3: ZnS(s) + O>(g)→ Zn(s) + SO2(g) Zn(s) + S(s) SO-(g) AG° = +198.3 kJ AG° = -300.1 kJ The decomposition of zinc sulfide (represented by Equation 1) can be accomplished by coupling the reaction to the combustion of sulfur (represented in Equation 2), which results in the overall reaction represented in Equation 3. a. Determine the free energy change for the reaction represented in Equation 3. b. Explain why the reactions represented in Equations 1 and 2 are suitable for coupling to produce a thermodynamically favorable process.

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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