[問題] 關於不可逆跟可逆的火商
我最近念到火商在可逆時是ds=dq/T,不可逆的時候不是這樣。那火商再不可逆的時候是什麼樣子。還有自由膨脹應該是不可逆吧,可是我看他ds=dq/T導公式用的很爽阿,請熱學高手幫忙解答。
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