[問題] 討論一個熱力學觀念~
G的變化 = H的變化 - TxS的變化
當G的變化 < 0,反應為自發性,屬放能反應
當G的變化 > 0,反應為非自發性,屬吸能反應
以上是一般書上的定義
我想問一下若當G的變化 < 0時
假設H的變化為10(吸能),而TxS的變化為20,而使G的變化為-10
這樣不就更定義上矛盾了?
所以吸能還是放能到底要如何決定呢?
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