Short Answer
The figure shows the pV diagram for a certain thermodynamic process.In this process, of heat flows into a system,and at the same time the system expands against a constant external pressure of
If the volume of the system increases from
to
calculate the change in internal (thermal)energy of the system.If the internal (thermal)energy change is nonzero,be sure to indicate whether this energy change is positive or negative.
Correct Answer:

Verified
Correct Answer:
Verified
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