• You just need a few macroscopic variables that are very familiar to you, like the pressure, the temperature, the volume, the number of moles of each component, the mass of the system.

    你只需要某些你非常熟悉的宏观变量,比如压强,温度,体积,每个组分的摩尔数,系统的质量。

    麻省理工公开课 - 热力学与动力学课程节选

  • So I can make a quantity that I'll call V bar, which is the molar volume, the volume of one mole of a component in my system, and that becomes an intensive quantity.

    所以我可以定义,一个叫做一横的量,这是摩尔体积系统中,一摩尔某种组分的体积,它就变成了。

    麻省理工公开课 - 热力学与动力学课程节选

  • You need to know if it's an equilibrium, and you also need to know how many components you have in your system So, a glass of ice water with an ice cube in it, which is a heterogeneous system, has only one component, which is water, H2O.

    要知道它是不是平衡的,你还需要知道,你的系统中有多少组分,一杯放了冰块的水,虽然它是个非均匀系统,但它只有一种组分,那就是水。

    麻省理工公开课 - 热力学与动力学课程节选

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