在25℃、101 kPa下,1 g甲醇( CH3OH)燃烧生成CO2和液态水时放热22.68 kJ,下列热化学方程式正确的是( )A.CH3OH(l)+ O2(g)===CO2(g)+2H2O(l);ΔH="+725.8" kJ/mol | B.2CH3OH(l)+3O2(g)===2CO2(g)+4H2O(l);ΔH=-1452 kJ/mol | C.2CH3OH(l)+3O2(g)===2CO2(g)+4H2O(l);ΔH=-725.8 kJ/mol | D.2CH3OH(l)+3O2(g)===2CO2(g)+4H2O(l);ΔH="+1452" kJ/mol |
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