" Dividing this quantity by time yields power, and an important result of classical mechanics says that this quantity is equal to energy transferred.
The value of this quantity for the change in volume of a gas is equivalent to the area under the curve on a P-V diagram, so at constant pressure this quantity equals "pressure times change in volume." The first law of thermodynamics sets change in internal energy equal to "heat added plus [this quantity]." Dividing this quantity by time yields power, and an important result of classical mechanics says that this quantity is equal to energy transferred. For 10 points, name this quantity measured in Joules and equal to force times distance.
The value of this quantity for the change in volume of a gas is equivalent to the area under the curve on a P-V diagram, so at constant pressure this quantity equals "pressure times change in volume.
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