在25℃、101 kPa下,0.1 mol甲醇燃烧生成CO2和液态水时放热72.65 kJ,下列热化学方程式正确的是
A.CH3OH (l)+O2 (g) = CO2(g)+2H2O(l) ΔH=+726.5 kJ/mol |
B.2CH3OH (l)+3O2 (g) = 2CO2(g)+4H2O(g) ΔH=+1453 kJ/mol |
C.CH3OH (l)+O2 (g) = CO2(g)+2H2O(l) ΔH=-726.5 kJ/mol |
D.2CH3OH (l)+3O2 (g) = 2CO2(g)+4H2O(g) ΔH=-1453 kJ/mol |