1g碳与适量水蒸气反应生成CO和H2，需吸收10.94kJ热量，此反应的热化学方程式为（）

题干

1g碳与适量水蒸气反应生成CO和H₂，需吸收10.94kJ热量，此反应的热化学方程式为（）

A：C + H₂O ='=' CO + H₂△H= +131.3 kJ·mol^-1

B：C(s)+ H₂O(g) ='=' CO(g) + H₂(g)△H= +10.94 kJ·mol^-1

C：C(s)+ H₂O(l) ='=' CO(g) + H₂(g)△H= +131.3 kJ·mol^-1

D：C(s)+ H₂O(g) ='=' CO(g) + H₂(g)△H= +131.3 kJ·mol^-1

上一题下一题 0.0难度选择题更新时间:2015-10-12 06:46:02

D

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