What is the enthalpy change for the combustion of 4.738 C,H, in excess oxygen? 2 C H2(g) + 13 02(g) 8 CO2(g) + 10 H,O(g) AH = -3790 kJ Select one: a. -154 kJ b.- 401 kJ C.-8960 kJ d. -32.7 kJ e.-23200 kJ e