(10分)甲醛是一种重要的化工产品,可利用甲醇催化脱氢制备。气态

(10分)甲醛是一种重要的化工产品,可利用甲醇催化脱氢制备。气态甲醛与气态甲醇转化的能量关系如图所示。

(1) 甲醇催化脱氢转化为甲醛的反应是________(填“吸热”或“放热”)反应。

(2) 过程Ⅰ与过程Ⅱ的反应热是否相同?_________,原因是_______________________。

(3) 写出甲醇催化脱氢转化为甲醛的热化学反应方程式___________________________。

 

答案

 

解析:略

 

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