25℃、101kPa时,1g甲醇完全燃烧生成CO2和液态H2O,同时放出22.68kJ热量。下列表示该反应的热化学方程式中正确的是( )
A.CH3OH(l)+3/2O2(g) = CO2(g) +2H2O(l) △H=-725.8 kJ·mol-1 |
B.2 CH3OH(l)+3O2(g) = 2CO2(g)+4H2O(l) △H="+1451.6" kJ·mol-1 |
C.2 CH3OH+O2 = 2CO2+4H2O △H=-22.68 kJ·mol-1 |
D.CH3OH(l)+3/2O2(g) = CO2(g)+2H2O(g) △H=-725.8 kJ·mol-1 |