A gas expands in an insulated container against a constant external pr – InterviewSolution

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1.	A gas expands in an insulated container against a constant external pressure of 1.5 atm from an initial volume of 1.2 L to 4.2 L. The change in internal energy (DeltaU) of gas is nearly (1 L-atm = 101.3 J)
Answer» `- 456 J` `+ 456 J` `- 402 J` `+ 402 J` ANSWER :A

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