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A gas under constant pressure of 4.5 xx ...

A gas under constant pressure of `4.5 xx 10^(5) Pa` when subjected to `800 kJ` of heat, changes the volume from `0.5 m^(3) to 2.0 m^(3)`. The change in internal energy of the gas is

A

`6.75xx10^5 J`

B

`5.25xx10^5 J`

C

`3.25xx10^5 J`

D

`1.25xx10^5 J`

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The correct Answer is:
D
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