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Covers the study of (primarily homogeneous) macroscopic systems from a heat/energy/entropy point of view. Consider also using the tag: [statistical-mechanics].

11 votes
6 answers
33k views

Why is the work done in reversible process greater than work done in irreversible process?

I have read in my textbook that maximum work is done by gas in a reversible expansion, but I do not know the reason behind it. Also is work done by gas maximum in reversible compression also?
Aman's user avatar
  • 165
4 votes
1 answer
151 views

Laplace correction for speed of sound in air

In the Laplace corrrection for velocity of sound, the bulk modulus is replaced by gamma×Pressure. $(\gamma=c_p/c_v)$ In its derivation $$PV^{\gamma} =\text{CONSTANT} $$ is used. And the reason given i …
Aman's user avatar
  • 165