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Physics, 30.12.2019 19:31 musa79

When 4.00 kj of energy is transferred as heat to nitrogen in a cylinder fitted with a piston at an external pressure of 3.00 atm, the nitrogen gas expands from 1.00 to 4.00 l against this constant pressure. what is u for the process?

1. -4.91 kj
2. -0.912 kj
3. +3.09 kj
4. 0
5. +4.91 k

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