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With the help of fthermondynamic equatio...

With the help of fthermondynamic equation of state
`((delU)/(delV))_(T)=T((delP)/(delT))_(V)-P`
Answer the following questions for a van der Waals' gas
`P=(nRT)/(V-nb)-(an^(2))/V^(2)`
`((delU)/(delV))` For the van der Waals' is :

A

zero

B

`(-an^(2))/V^(2)`

C

`(-an^(2))/V^(2)`

D

none of these

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The correct Answer is:
c
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