The work done during reversible isothermal expansion of one mole of hydrogen gas at $25^\circ C$ from pressure of 20 atmosphere to 10 atmosphere is: (Given R = 2.0 cal K$^{-1}$mol$^{-1}$)

Question

Dr. Abubacker · Accepted Answer

[Solution by Claude - not from source] $w=-nRT\ln\frac{P_1}{P_2}=-2	imes298	imes2.303\log2\approx-413.14$ cal (IUPAC sign, work done by the system is negative). (Medium confidence: sign convention.) Answer (4).

Q. The work done during reversible isothermal expansion of one mole of hydrogen gas at $25^\circ C$ from pressure of 20 atmosphere to 10 atmosphere is: (Given R = 2.0 cal K$^{-1}$mol$^{-1}$)

Explanation

Reviewed by Dr. Abubacker

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