2418kJmol的精选

问题详情：下列能量变化表示*气燃烧热的是A．H2(g)+1/2O2(g)=H2O(g)  △H=-241.8kJ/molB．2H2(g)+O2(g)=2H2O(g)   △H=-483.6kJ/molC．2H2(g)+O2(g)=2H2O(l)   △H=-571.6kJ/molD．H2(g)+1/2O2(g)=H2O(l)  △H=-285....