The piston has a cross-sectional area, a, and the force pressure is force per volume area.
我们以活塞系统为例,来说明膨胀功。
So the probability of having an electron at the nucleus in terms of probability per volume is very, very high.
在单位体积内发现,一个电子的概率非常非常大。
Pressure is force per volume area.
气体就被压缩。
So we're going to start with a mole of gas, V at some pressure, some volume, T temperature and some mole so V, doing it per mole, and we're going to do two paths here.
假设有1摩尔气体,具有一点的压强p,体积,温度,我们将让它,经过两条不同的路径。
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