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Question

A gas expands against a variable external pressure given by p = 10/V atm, where V is the volume at each stage of expansion. in expanding from 10 L to 100 L, the gas undergoes a change in internal energy ΔU = 418 J. How much heat has been absorbed?

Joshi sir comment

process is isothermal because pV = 10 = nRT

so work done W = 2.303nRTlog(V₂/V₁)

so Q = ΔU + W

Read 1 Solution.

This question is wrong. How does an isothermal process have change in INTERNAL energy ?

ROHIT 11 year ago is this solution helpfull: 1 6

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