Given the Following Data, Determine the Molar Free Energy of Combustion

Given the following data, determine the molar free energy of combustion for propane gas, C₃H₈. (C₃H₈, g) -23.5 kJ/mol (CO₂, g) -394.4 kJ/mol (H₂O, g) -5.6 kJ/mol

A) (-1,629.1 kJ/mol)
B) (-1,582.1 kJ/mol)
C) (-476.5 kJ/mol)
D) (+476.5 kJ/mol)
E) (+1,582.1 kJ/mol)