During a reversible isothermal expansion of an ideal gas, the entropy change is?

Question

During a reversible isothermal expansion of an ideal gas, the entropy change is?

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LohaHridoy

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2025-01-04 04:42

1 Answers

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AhmedNazir · Accepted Answer · 2022-09-01T13:21:41+06:00

AhmedNazir

Answer: Option 1

We know the change in entropy $$dS = \frac{{\delta Q}}{T}$$ and for expansion since the heat has to be added to the system and by our convention heat added to the system isothermally is positive so change in entropy is positive.

4 views Answered 2022-09-01 13:21