An
ideal gas undergoes an isothermal expansion at
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Solution: Click For PDF Version Let us recall that in an isothermal process there is no change in the internal energy. Therefore, the work done by the gas in isothermal expansion from initial volume![]() ![]() ![]() ![]()
Therefore, the heat absorbed, Q, in isothermal expansion of n moles of an ideal gas will be
The change in entropy of n moles of an in isothermal expansion will therefore be
Data of the problem are
and We have
or
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