18 g炭粉燃烧所得气体中CO占,CO2占;且C(s)+O2(g)===CO(g) ΔH=-110.35 kJ·mol-1, CO(g)+O2(g)===CO2(g) ΔH=-282.57 kJ·mol-1,与这些碳完全燃烧相比较,损失的热量是( )
A.196.46 kJ | B.55.175 kJ |
C.141.285 kJ | D.282.57 kJ |
18 g炭粉燃烧所得气体中CO占,CO2占;且C(s)+O2(g)===CO(g) ΔH=-110.35 kJ·mol-1, CO(g)+O2(g)===CO2(g) ΔH=-282.57 kJ·mol-1,与这些碳完全燃烧相比较,损失的热量是( )
A.196.46 kJ | B.55.175 kJ |
C.141.285 kJ | D.282.57 kJ |