A Gas in a Cylinder with a Piston That Slides

question 20

Multiple Choice

A gas in a cylinder with a piston that slides freely within is adiabatically expanded from 1.5 to 1.7 m³.If the pressure exerted by the walls on its container during the expansion was 2.0 atm,what heat must have been supplied to the gas in order to affect this expansion?

• A)0
• B)+41 kJ
• C)-41 kJ
• D)+65 kJ
• E)-65 kJ

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