In a System Composed of an Ideal Gas Contained in a Cylinder

question 99

Multiple Choice

In a system composed of an ideal gas contained in a cylinder fitted with a piston,a reversible adiabatic expansion causes the temperature of the gas to drop because

• A)heat is given up by the system when the piston moves.
• B)the pressure of the gas remains constant.
• C)work is done on the system as the gas expands.
• D)work done by the system is done entirely at the expense of its internal energy.
• E)heat is absorbed by the piston when it does work.

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