I am quite confused about this area.(adsbygoogle = window.adsbygoogle || []).push({});

First entropy does not contain any reference to volume. So if we can theoretically set the entropy of A and B gas samples as the same but in different volumes. If A is in a larger volume it would be able to exhibit a larger number of microstates? Yet the Boltzman equation gives the same result for both as it also ignores volume.

I would also be interested to know if the concept of microstates is actually at all useful, or is it just a bystander in real world physics.

Thanks

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# Are the number of microstates of a gas just equivalent to pressure

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