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5 mole of an ideal gas expands reversibl...

5 mole of an ideal gas expands reversibly from a volume of `8" dm"^(3)" to "80" dm"^(3)` at a temperature of `27^(@)C.` The change in entropy is

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For isothermal reversible process `Delta S=2.303 "nR log" (V_(2))/(V_(1))=2.303xx5molxx8.314"J/mol K log"(80)/(8)=95.73JK^(-1)`
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