[問題] 請問熱力學中
熱力學第一定律裡面有說明
δQ - δW = d U + d P.E + d K.E
↑ ↑ ↑ ↑ ↑
熱能 作功量 內能 位能 動能
請問為什麼 δ 不寫成 d
我們老師言 : 因為它的微分並不是全微分( Total Differential )
我在猜,因為熱與功的函數,並不是點函數
而是路徑函數,所以積分後不能利用初始與末端狀態做計算
但是我不懂他跟全微分有什麼關係呢??
有請版上熱力達人解惑了
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