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A gas expands in an insulated container ...

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)

A

`- 456 J`

B

`+ 456 J`

C

`- 402 J`

D

`+ 402 J`

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-TEST 3-EXERCISE
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