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A gas is allowed to expand in a well in...

A gas is allowed to expand in a well insulated container against a constant external pressure of `2.5 atm` from an initial volume of `2.50 L` to a final volume of `4.50 L`. The change in internal energy `Delta U` of the gas in joules will be:

A

`-500 J`

B

`-505 J`

C

`+ 505 J`

D

1136.25 J

Text Solution

Verified by Experts

The correct Answer is:
B
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