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Which of the reactions are spontaneous (favorable)? O 2 H,O(g) 2 H,(g) + 0,(g) AG = 457 kJ/mol %3D O CH, (g) + 20,(g) CO,(g) + 2H,O() AG = -820 kJ/mol C(s) + H,O(1) CO(g) + H,(g) AG = 90.8 kJ/mol > 2 Mg(s) + 0,(g) - 2 MgO(s) AG = -1137 kJ/mol O AgCI(s) Ag* (aq) + CI (aq) AG = 55.6 kJ/mol O NH, (g)+ HC(g) » NH, C(s) AG - 91.1 kl/mol

Which of the reactions are spontaneous (favorable)? O 2 H,O(g) 2 H,(g) + 0,(g) AG = 457 kJ/mol %3D O CH, (g) + 20,(g) CO,(g) + 2H,O() AG = -820 kJ/mol C(s) + H,O(1) CO(g) + H,(g) AG = 90.8 kJ/mol > 2 Mg(s) + 0,(g) - 2 MgO(s) AG = -1137 kJ/mol O AgCI(s) Ag* (aq) + CI (aq) AG = 55.6 kJ/mol O NH, (g)+ HC(g) » NH, C(s) AG - 91.1 kl/mol

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter16: Thermodynamics
Section: Chapter Questions
Problem 24E: Thermite reactions have been used for welding metal parts such as railway rails and in metal...
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Which of the reactions are spontaneous (favorable)? O 2 H,0(g) 2 H, (g) + 0,(g) AG = 457 kJ/mol O CH, (g) + 20,(g) CO,(g) + 2H,O() AG = -820 kJ/mol %3! C(s) + H,O(1) CO(g) + H,(g) AG = 90.8 kJ/mol 2 Mg(s) + 0,(g) - 2 MgO(s) AG = -1137 kJ/mol O AgCI(s) Ag* (aq) + CI (aq) AG = 55.6 kJ/mol O NH, (g)+ HCI(g) » NH CH(s) NH, C(s) AG - 91.1 kl/mol
Transcribed Image Text:Which of the reactions are spontaneous (favorable)? O 2 H,0(g) 2 H, (g) + 0,(g) AG = 457 kJ/mol O CH, (g) + 20,(g) CO,(g) + 2H,O() AG = -820 kJ/mol %3! C(s) + H,O(1) CO(g) + H,(g) AG = 90.8 kJ/mol 2 Mg(s) + 0,(g) - 2 MgO(s) AG = -1137 kJ/mol O AgCI(s) Ag* (aq) + CI (aq) AG = 55.6 kJ/mol O NH, (g)+ HCI(g) » NH CH(s) NH, C(s) AG - 91.1 kl/mol
For a particular reaction at 128.0 °C, AG = 227.67 kJ, and AS = 644.41 J/K. Calculate AG for this reaction at -1.9 °C. AG =
Transcribed Image Text:For a particular reaction at 128.0 °C, AG = 227.67 kJ, and AS = 644.41 J/K. Calculate AG for this reaction at -1.9 °C. AG =
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