乙醇+3氧气=2二氧化碳+3水
CH3CH2OH+3O2=2CO2+3H2O 条件:点燃
C2H5OH+3O2=2CO2↑+3H2O (点燃)
点燃C2H5OH+3O2=====2CO2+3H2O
C2H5OH+3O2= (点燃)2CO2↑+3H2O