Two Moles of an Ideal Gas Have an Initial Kelvin

question 4

Multiple Choice

Two moles of an ideal gas have an initial Kelvin temperature Tᵢ and absolute pressure Pᵢ.The gas undergoes a reversible isothermal compression from an initial volume Vᵢ to a final volume 0.5Vᵢ.
-What is the change in entropy of the sample?

• A)+8.31 (ln 2)J/K
• B)-8.31 (ln 2)J/K
• C)+16.62 (ln 2)J/K
• D)-16.62 (ln 2)J/K
• E)zero J/K

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