CH3OHg32O2gCO2g2H2Og的精選

問題詳情： 已知：①CH3OH(g)+3/2O2(g)=CO2(g)+2H2O(g) △H=-akJ•mol-1②CH4(g)+2O2(g)=CO2(g)+2H2O(g) △H=-bkJ•mol-1③CH4(g)+2O2(g)=CO2(g)+2H2O(l) △H=-ckJ•mol-1則下列敘述正確的是（    ）A.由上述熱化學...

問題詳情：已知：①CH3OH(g)+3/2O2(g)=CO2(g)+2H2O(g)   △H=－akJ·mol－1②CH4(g)+2O2(g)=CO2(g)+2H2O(g)        △H=－bkJ·mol－1③CH4(g)+2O2(g)=CO2(g)+2H2O（1）      △H=－ckJ·mol－1則下列敘述正確的是（  ）A...