[課務] 普化小考5 解答

[xupxurmp (It's磊(ㄌㄟˇ)君)]

1. What is the definition of standard enthalpies of formation (Hf。) ?

   標準狀態下,由元素生成1 mole化合物伴隨的焓改變量(change of enthalpy)

2.What is the standard state of the following material ?

  Element:

           1 atm ,25。C,元素存在的狀態下,Hf。=0

  Compounds  Gas:  1 atm

             Solution:  1 M

             Pure material:  液體或固體的純物質

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