• This piston is being brought out, so we expect 0 the work to be negative, negative. And we start o V2 ut with zero volume. We end up with a volume p2 of V2, and the external pressure is constant to p2.

    所以我们可以想象功是负的,开始的时候体积是,最终的容积是,外界的压力恒为。

    麻省理工公开课 - 热力学与动力学课程节选

  • The only valuable now on this side is temperature.

    压强和容积都无关紧要了。

    麻省理工公开课 - 热力学与动力学课程节选

  • It didn't care what the volume was doing.

    而与容积无关,理想气体的。

    麻省理工公开课 - 热力学与动力学课程节选

  • V2 And there's going to be some volume V2 and some volume V1, but are not necessarily the same. Especially since the pressures are different. we don't know yet about temperature so I don't know what to say about these volumes because I don't know what the temperatures' are going to do.

    这里的体积会变成2,这里的容积是V1,它们不必相等,尤其是当压力不相等的时候,我们还不知道温度,所以我不能说这里的容积,是多少因为我不知道,温度会怎样变化。

    麻省理工公开课 - 热力学与动力学课程节选

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