Two Moles of a Gas at T = 350 K

question 13

Multiple Choice

Two moles of a gas at T = 350 K expand quasistatically and isothermally from an initial volume of 20 L to a final volume of 60 L.The change in entropy of the gas during this expansion is (R = 8.314 J/mol·K)

• A)-17.4 J/K
• B)18.3 J/K
• C)20.4 J/K
• D)-24.6 J/K
• E)27.8 J/K

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