10. Water gas, a commercial fuel, is made by the reaction of hot coke carbon with steam: C(s)+H2O(g) CO(g) + H2(g) When equilibrium is established at 832°C, the concentrations of CO, H₂, and H₂O are 4.00 × 102, 4.00 × 102, and 1.00 x 10-2 mol/L, respectively. Calculate the value of AG° for this reaction at 832°C. (10 points) 11. The reaction 4Ag(s) + O2(g) →2Ag2O(s), AH°=-61.14 kJ and AS° =-132 J/K is spontaneous at 25°C. At what temperature will the reaction no longer be spontaneous? Assume that AH° and AS° are essentially temperature independent. (8 points)

10. Water gas, a commercial fuel, is made by the reaction of hot coke carbon with steam: C(s)+H2O(g) CO(g) + H2(g) When equilibrium is established at 832°C, the concentrations of CO, H₂, and H₂O are 4.00 × 102, 4.00 × 102, and 1.00 x 10-2 mol/L, respectively. Calculate the value of AG° for this reaction at 832°C. (10 points) 11. The reaction 4Ag(s) + O2(g) →2Ag2O(s), AH°=-61.14 kJ and AS° =-132 J/K is spontaneous at 25°C. At what temperature will the reaction no longer be spontaneous? Assume that AH° and AS° are essentially temperature independent. (8 points)

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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