Diketahui reaksi: C(s) + O2(g) -> CO2(g) delta H=-94 kJ

Diketahui reaksi: C(s) + O2(g) -> CO2(g) delta H=-94 kJ (reaksi 1) 2H2(g) + O2(g) -> 2H2O(g) delta H=-136 kJ (reaksi 2) 3C(s) + 4H2(g) -> C3H8(g) delta H=-24 kJ (reaksi 3) Tentukan segitiga H pada reaksi C3H8(g) + 5O2(g) -> 3CO2(g) + 4H2O(g)!