Consider a process that results in the following volume and temperature change:

Is there any work done? If yes, identify the sign of the work done.

• A. There is no work done.
• B. Work is done on the system by the surroundings. Therefore, work is negative.
• C. Work is done on the system by the surroundings. Therefore, work is positive.
• D. Work is done by the system on the surroundings. Therefore, work is negative.
• E. Work is done by the system on the surroundings. Therefore, work is positive.

Answer: (C)