At 25°C, for the Reaction $2 \mathrm { H } _ { 2 } ( \mathrm {~g} ) + \mathrm { O } _ { 2 } ( \mathrm {~g} ) f \quad 2 \mathrm { H } _ { 2 } \mathrm { O } ( \mathrm { l } )$

Multiple Choice

At 25°C, for the reaction $2 \mathrm { H } _ { 2 } ( \mathrm {~g} ) + \mathrm { O } _ { 2 } ( \mathrm {~g} ) f \quad 2 \mathrm { H } _ { 2 } \mathrm { O } ( \mathrm { l } )$ , the standard enthalpy change (?H°) is ?285.8 kJ/mol, and the absolute entropies of the products and reactants are S°(H₂O) = 70.00 J/(mol·K) , S°(O₂) = 205.2 J/(mol·K) , and S°(H₂) = 130.7 J/(mol·K) . What is the standard free-energy change for the reaction?

A) 278.6 kJ/mol
B) -188.4 kJ/mol
C) -249.7 kJ/mol
D) 359.8 kJ/mol
E) -313.4 kJ/mol