An exact differential Because a property is a point function, its differential must be an exact or perfect or total differential in mathematical term The line integral of the differential of a property is independent of the path or curve connecting the end states, and in the special case of a complete cycle this integral vanishes 4上一内容下一内容令回主目录 返回 2021/2/21上一内容 下一内容 回主目录 返回 2021/2/21 An exact differential Because a property is a point function, its differential must be an exact or perfect or total differential in mathematical term. The line integral of the differential of a property is independent of the path or curve connecting the end states, and in the special case of a complete cycle this integral vanishes