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Consider the reaction S(s,rhombic) + 2CO(g) SO₂(g) + 2C(s.graphite) Use standard free energies of formation to calculate the standard free energy change for this reaction at 25°C. kJ/mol AG, Exn

Consider the reaction S(s,rhombic) + 2CO(g) SO₂(g) + 2C(s.graphite) Use standard free energies of formation to calculate the standard free energy change for this reaction at 25°C. kJ/mol AG, Exn

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter18: Thermodynamics And Equilibrium
Section: Chapter Questions
Problem 18.121QP
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Consider the reaction S(s,rhombic) + 2CO(g)- SO₂(g) + 2C(s.graphite) Use standard free energies of formation to calculate the standard free energy change for this reaction at 25°C. kJ/mol AG = rxn Consider the reaction Fe(s) + 2HCl(aq)-FeCl₂(s) + H₂(g) Calculate the standard free energy change for this reaction at 25°C from AH and AS rxn AG rxn kJ/mol Calculate the temperature (in kelvins) at which the sign of AG changes from positive to negative for the reaction below. This corresponds to the temperature at which K < 1 changes to K > 1. Assume that AH° and AS° are constant and do not change with temperature. T = CH4(9) + H₂O(g) 3H₂(g) + CO(g) AH 206 kJ/mol K rxn and AS°= 215 J/K mol
Transcribed Image Text:Consider the reaction S(s,rhombic) + 2CO(g)- SO₂(g) + 2C(s.graphite) Use standard free energies of formation to calculate the standard free energy change for this reaction at 25°C. kJ/mol AG = rxn Consider the reaction Fe(s) + 2HCl(aq)-FeCl₂(s) + H₂(g) Calculate the standard free energy change for this reaction at 25°C from AH and AS rxn AG rxn kJ/mol Calculate the temperature (in kelvins) at which the sign of AG changes from positive to negative for the reaction below. This corresponds to the temperature at which K < 1 changes to K > 1. Assume that AH° and AS° are constant and do not change with temperature. T = CH4(9) + H₂O(g) 3H₂(g) + CO(g) AH 206 kJ/mol K rxn and AS°= 215 J/K mol
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