某体系在非等压过程中加热,吸热Q,使温度从T1升到T2,则此过程的焓增量H :(A)H = Q (B)H = 0 (C)H = U +(pV) (D)H 等于别的值.
问题描述:
某体系在非等压过程中加热,吸热Q,使温度从T1升到T2,则此过程的焓增量H :
(A)H = Q (B)H = 0 (C)H = U +(pV) (D)H 等于别的值.
答
(C)H = U +(pV)
H = Q -W
对于所有体系均适用。
焓变是能量变化,即与外界交换的热或功。
答
答案:C选项!