CO(g)与H2O(g)反应生成CO2(g)与H2(g)过程的能量变化如图所示,

CO(g)与H2O(g)反应生成CO2(g)与H2(g)过程的能量变化如图所示,有关两者反应的说法正确的是

A.该反应为吸热反应

B.1mol CO2(g)和1mol H2(g)反应生成1molCO(g)和1mol H2O(g)要放出41kJ热量

C.反应的热化学方程式是:CO(g) + H2O (g) = CO2(g) + H2(g)  △H=+41kJ/mol

D.CO(g)与H2O(g)所具有的总能量大于CO2(g)与H2(g)所具有的总能量

答案

D

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