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作业:2.22某双原子理想气体1mol从始态350K,200kPa经过如下四个不同过程达到各自的平衡态,求各过程的功W。 (1)恒温可逆膨胀到50kPa; (2)恒温反抗50kPa恒外压不可逆膨胀; (3)绝热可逆膨胀到50kPa; (4)绝热反抗50kPa恒外压不可逆膨胀。
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