A gas is enclosed in a cylinder with a piston. Weights are added to th – InterviewSolution

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1.	A gas is enclosed in a cylinder with a piston. Weights are added to the piston, giving a total mass of 2.20 kg. As a result the gas is compressed and the weights are lowered 0.25 m. At the same time, 1.50 J of heat evolved from the system. What is the change in internal energy of the system ?
Answer» ANSWER :(3.89 J)

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