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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].

0 votes
1 answer
79 views

Formation of water droplets

Suppose several small water droplets are formed from a big blob of water at room temperature. Will the temperature of resultant water droplets or the surrounding air decrease? Consider it as an isolat …
-2 votes
2 answers
80 views

Work done in expansion of a gas

Why do we calculate the work done by a gas (initially at equilibrium) using the formula $-p_{ext}Δv$ and not using the change in pressure i.e $-(p_2-p_1)Δv$? [$p_2$ is final external pressure and $p_1 …