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CSE · Paper I · Thermal & Statisticalcse-2023-subject-04-003

Van der Waals gas — UPSC Physics Optional CSE 2023 Paper I

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(i) Define Joule-Kelvin coefficient. Write it in its mathematical form. (ii) Determine the Joule-Kelvin coefficient for a van der Waals gas. Hence, obtain an expression for temperature of inversion. Discuss the conditions under which heating or cooling is produced.

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