Question

Why gases have two types of expansion coefficient?

Answer 1

 the liquids gases also has no specific area and length and hence there are no linear and areal expansions for a gas. 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.

While studying the expansion of solids and liquids .pressure plays important role during the expansion or the contraction of the gases and we cannot ignore the parameter. Studying the variation of the volume both with respect to temperature and pressure simultaneously leads to unwanted confusion. That’s why we will be keeping one of the parameter constant and steady the other two parameters.

Hence gases have two types of expansion coefficients
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Answer 2

Answer:

liquid gas and solid gas are coefficient