分析以下几个热化学方程式,表示固态碳和气态氢气燃烧时燃烧热的是
A.C(s)+1/2O2(g)===CO(g) ΔH ="-110.5" kJ/mol |
B.C(s)+O2(g)===CO2(g) ΔH ="-393.5" kJ/mol |
C.2H2(g)+O2(g)===2H2O(l)ΔH ="-571.6" kJ/mol |
D.H2(g)+1/2O2(g)===H2O(g)ΔH ="-241.8" kJ/mol |
分析以下几个热化学方程式,表示固态碳和气态氢气燃烧时燃烧热的是
A.C(s)+1/2O2(g)===CO(g) ΔH ="-110.5" kJ/mol |
B.C(s)+O2(g)===CO2(g) ΔH ="-393.5" kJ/mol |
C.2H2(g)+O2(g)===2H2O(l)ΔH ="-571.6" kJ/mol |
D.H2(g)+1/2O2(g)===H2O(g)ΔH ="-241.8" kJ/mol |