Kk.304. Consider the reactionS(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/molAG =rxnConsider the reactionFe(s) + 2HCl(aq)-FeCl₂(s) + H₂(g)Calculate the standard free energy change for this reaction at 25°C from AH and ASrxnAGrxnkJ/molCalculate the temperature (in kelvins) at which the sign of AG changes from positive to negative for thereaction 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/molKrxnand AS°= 215 J/K mol

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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

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Chapter1: Chemical Foundations

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Question

Kk.304.

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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