在36 g 碳不完全燃烧所得气体中,CO占体积,CO2占体积。且有:C(s) + O

36 g 碳不完全燃烧所得气体中,CO体积,CO2体积。且有:

C(s) + O2(g) = CO(g) H = 110.5 kJ/mol  CO(g) + O2(g) = CO2(g) H = 283 kJ/mol

与这些碳完全燃烧相比,损失的热量是

A172.5 kJ                          B 1149 kJ        

C283kJ                             D 517.5 kJ

答案

C

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