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Reaction #1 Co(g) + 2H2(g) -→ CH;OH(!) AS° = -332 J/K Reaction #2 CH;OH() → CH(g) +0:(g) AS° = +162 J/K AH, AG; s° Substance (kJ mor) (kJ mot) (JK' mor) CO(g) -110.5 197.674 -238.7 -166.4 126.8 CH:OH() CH:(g) -74.8 186.2 NOTE: You should be able to work this problem without using any additional tabulated data. (a) Calculate AH for reaction #1. (b) Calculate AGP for CO(g). (c) Calculate S° for O2(g). (d) At what temperatures is reaction #1 spontaneous?

Reaction #1 Co(g) + 2H2(g) -→ CH;OH(!) AS° = -332 J/K Reaction #2 CH;OH() → CH(g) +0:(g) AS° = +162 J/K AH, AG; s° Substance (kJ mor) (kJ mot) (JK' mor) CO(g) -110.5 197.674 -238.7 -166.4 126.8 CH:OH() CH:(g) -74.8 186.2 NOTE: You should be able to work this problem without using any additional tabulated data. (a) Calculate AH for reaction #1. (b) Calculate AGP for CO(g). (c) Calculate S° for O2(g). (d) At what temperatures is reaction #1 spontaneous?

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy
Section: Chapter Questions
Problem 37PS: For the reaction BaCO3(s) BaO(s) + CO2(g), rG = +219.7 kJ/mol-rxn. Using this value and other data...
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Reaction #1 Co() + 2H2(g) → CH:OH() AS° = -332 J/K CH.(g) + 0:(g) AS° = +162 J/K Reaction #2 CH:OH(!) – AH', AG; s° Substance (kJ mor) (kJ mot') (JK' mor') Co(g) -110.5 197.674 -238.7 -166.4 126.8 CH:OH(f) CH(g) -74.8 186.2 NOTE: You should be able to work this problem without using any additional tabulated data. (a) Calculate AH for reaction #1. (b) Calculate AGf for CO(g). (c) Calculate S° for O2(g). (d) At what temperatures is reaction #1 spontaneous?
Transcribed Image Text:Reaction #1 Co() + 2H2(g) → CH:OH() AS° = -332 J/K CH.(g) + 0:(g) AS° = +162 J/K Reaction #2 CH:OH(!) – AH', AG; s° Substance (kJ mor) (kJ mot') (JK' mor') Co(g) -110.5 197.674 -238.7 -166.4 126.8 CH:OH(f) CH(g) -74.8 186.2 NOTE: You should be able to work this problem without using any additional tabulated data. (a) Calculate AH for reaction #1. (b) Calculate AGf for CO(g). (c) Calculate S° for O2(g). (d) At what temperatures is reaction #1 spontaneous?
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