There is 1 mol of a liquid in an adiabatic container, initial pressure being 1 bar. The pressure is steeply increased to 100 bar, and the volume decreases by 1 mL under a constant pressure of 100 bar.

Question

There is 1 mol of a liquid in an adiabatic container, initial pressure being 1 bar. The pressure is steeply increased to 100 bar, and the volume decreases by 1 mL under a constant pressure of 100 bar. Calculate $\Delta U$. (Given 1 bar-L = 100 J)

Prashant Kotian · Accepted Answer

Correct answer: A. Process is adiabatic so . The irreversible work done by applying constant external pressure is . Converting to Joules, J. By the First Law, J.

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