Thermodynamics

Match List - I with List - II.

Given $V_1$ and $V_2$ are initial and final volumes respectively.

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List - I (Isothermal process)		List - II (Expression)
A.	Reversible expansion	I.	\( \mathrm{q}=0 \)
B.	Free expansion	II.	\( \mathrm{q}=\mathrm{nRT} \ln \frac{\mathrm{~V}_2}{\mathrm{~V}_1} \)
C.	Irreversible Compression	III.	\( \mathrm{w}=-\mathrm{p}_{\mathrm{ext}}\left(\mathrm{~V}_1-\mathrm{V}_2\right) \)
D.	Cyclic reversible	IV.	\( \frac{\mathrm{q}_{\mathrm{rev}}}{\mathrm{~T}}=0 \)

Choose the correct answer from the options given below :