The combustion reaction of butane is as follows.
C4H10(g) + 13/2 O2(g) → 4 CO2(g) + 5 H2O(l)
Using Hess's law and the reaction enthalpies given below, find the change in enthalpy for this reaction.
reaction (1): C(s) + O2(g) → CO2(g) ΔH = -393.5 kJ/mol
reaction (2): H2(g) + 1/2 O2(g) → H2O(I) ΔH = -285.8 kJ/mol
reaction (3): 4C(s) + 5H2(g) → C4H10 (g) ΔH = -125.7 kJ/mol