A sample of gas absorbs 4000 kj of heat ...

A sample of gas absorbs 4000 kj of heat (a) if volume remains constant what is `DeltaU`? (b) Suppose that in addition to absorption of heat by thesample, the surrounding does 200 kj of work on the sample.What is `DeltaU`? (c) Suppose that as the original sample absorbs heat, it expands against atmospheric pressure and does 600 kj of work, on its surroundings. What is `DeltaU`?

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CHETANA PUBLICATION-Chemical Thermodynamics-EXERCISE

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