google.com, pub-6039933496604285, DIRECT, f08c47fec0942fa0 Chemistry by Alex P.I.P: Bagaimana cara menghitung panas pembakaran gas propane? Penyelesaian: C3H8(g) + 5O2 (g) 3CO2(g) + 4 H2O(l) ΔH = -530610 kal ΔH o 25 o C = -530610 = (3 ΔH o CO2 + 4 ΔH o H2O(l) - ΔH o propane ΔH o propane = 530610 + 3(-94050) + 4(-68317) = -24820 ka