焦耳每莫爾(符號:J·mol−1 或 J/mol)是國際單位制中表徵每一定量物質能量的推導單位。能量以焦耳為單位,材料的量以摩爾為單位。

以J·mol-1為單位的物理量包括:


當用於測量電離能,可以轉化成電子伏特,通過

1 V = 1 J/庫侖 = F J/莫爾電子 = (96485.38 ± 0.02) J/莫爾電子

其中F為法拉第常數

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