CH4g32O2g2H2OgCO的甄选

问题详情：下列热化学方程式中△H代表燃烧热的是(      )A、CH4(g)+3/2O2(g)=2H2O(g)+CO(g)        △H1B、S(s)+3/2O2(g)=SO3(s)                  △H2C、C6H12O6(s)+6O2(g)=6CO2(g)...