Consider a process in which an ideal gas is compressed to one-eighth of its original volume...

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Answer 1

Answer #1

As temperature is constant for isothermal change

change in entropy ΔS=nRln(V₂/V₁)

where n=1 is number of moles of gas .R is gas constant =8.314 J/ mol K

here V₂=V₁/8

So ΔS =1*8.314 J/ mol K*ln(1/8) =-17.28 J/K mol

thank you

Answer 2

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