If one mole of an ideal gas ( C _ p . m . = 5 2 R ) is expanded isothermally at 300 K…
Chemistry · JEE Main · NTA Exams — Chemical Thermodynamics
If one mole of an ideal gas \(\left(\mathrm{C}_{\mathrm{p} . \mathrm{m} .}=\frac{5}{2} \mathrm{R}\right)\) is expanded isothermally at 300 K until it’s volume is tripled, then change in entropy of gas is :
- zero
- infinity
- \(\frac{5}{2} \mathrm{R} \ln 3\)
- \(\mathrm{R} \ln 3\)
Answer
(D) R 3
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