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One mole of a real gas is subjective to ...

One mole of a real gas is subjective to a process form `(2"bar",30lit,300k)` to `(2"bar",50lit,400k)` Given `C_(v)=40J//mol//K,C_(P)=50J//mol//K` Calculate `triangleU`.

A

`4000J`

B

`2000J`

C

`1000J`

D

`5000J`

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The correct Answer is:
C
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