Diketahui reaksi: C_((s))+O_(2(g)) -> CO_(2(g)) Delta

Diketahui reaksi: C_((s))+O_(2(g)) -> CO_(2(g)) Delta H_(1)=-394 ~kJ 2 H_(2(g))+O_(2(g)) -> 2 H_(2) O_((I)) Delta H_(2)=-572 ~kJ 2 C_((s))+3 H_(2(g)) -> C_(2) H_(6(g)) Delta H_(3)=-85 ~kJ { Perubahan entalpi )(Delta H) { reaksi: ) 2 C_(2) H_(6(g))+7 O_(2(g)) -> 4 CO_(2(g))+6 H_(2) O_((l)) { adalah... )