问题
选择题
100g C不完全燃烧所得产物中,CO所占体积为1/3,CO2为2/3,且:C(s)+1/2O2(g)═CO(g)△H=-110.35kJ•mol-1; CO(g)+1/2O2(g)═CO2(g)△H=-282.57kJ•mol-1.与这些碳完全燃烧相比,损失的热量为( ) A.39.292kJ B.3274.3kJ C.784.92kJ D.2489.44kJ |
答案
答案:C
100g C不完全燃烧所得产物中,CO所占体积为1/3,CO2为2/3,且:C(s)+1/2O2(g)═CO(g)△H=-110.35kJ•mol-1; CO(g)+1/2O2(g)═CO2(g)△H=-282.57kJ•mol-1.与这些碳完全燃烧相比,损失的热量为( ) A.39.292kJ B.3274.3kJ C.784.92kJ D.2489.44kJ |
答案:C