Three Moles of a Gas at T = 250 K

question 18

Multiple Choice

Three moles of a gas at T = 250 K expand quasi-statically and adiabatically from an initial volume of 30 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)17.3 J/K
• B)18.6 J/K
• C)-17.4 J/K
• D)19.5 J/K
• E)zero

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