Question

why do a gas has two coefficients

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Answer 1

Answer:

It is simply because the volume expansion of the gases so large such that it is not going to make a difference whether it is apparent expansion or real expansion. ... Studying the variation of the volume both with respect to temperature and pressure simultaneously leads to unwanted confusion.

Answer 2

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It is simply because the volume expansion of the gases so large such that it is not going to make a difference whether it is apparent expansion or real expansion. ... Studying the variation of the volume both with respect to temperature and pressure simultaneously leads to unwanted confusion..