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For questions about probability, probability theory, probability distributions, expected values and related matters. Purely mathematical questions should be asked on Math.SE.

2 votes
1 answer
828 views

Probability depends on volume dependence of the multiplicity function?

For instance, suppose we want to know the probability of finding the configuration where all the molecules in a container of gas are somewhere in the left half. … Thus the probability of this arrangement is $2^{-N}$ Why do we just simply take $2^{-N}$ as our probability? …
WeiShan Ng's user avatar
1 vote
1 answer
224 views

Why do we ignore the initial entropy when computing the mixing entropy of an ideal mixture?

For a dense system we assume that the two types of molecules are the same size and that molecules of different types interact with each other in the same way as molecules of the same type (same forces …
WeiShan Ng's user avatar