Question

Calculate DrG for the reaction below at 25.0 C
CH4(g) + H2O(g) 3 H2(g) + CO(g)
given DfG [CH4(g)] = -50.8 kJ/mol, DfG [H2O(g)] = -228.6 kJ/mol, DfG [H2(g)] = 0.0 kJ/mol, and DfG [CO(g)] = -137.2 kJ/mol.
A.-416.3 kJ/mol-rxn
B.-142.2 kJ/mol-rxn
C.+142.2 kJ/mol-rxn
D.+315.0 kJ/mol-rxn
E.+416.3 kJ/mol-rxn

Answer

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