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At low pressure the van der Waals' equat...

At low pressure the van der Waals' equation is reduced to `[P +(a)/(V^(2)]]V =RT` The compressibility factor can be given as .

A

`1-(a)/(RTV)`

B

`1-(RTV)/(a)`

C

`1 + (a)/(RTV)`

D

`1 + (RTV)/(a)`

Text Solution

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The correct Answer is:
A
`(P + (a)/(V^(2))) V = RT PV + (a)/(V) = RT or (PV)/(RT) + (a)/(RTV) =1 or (PV)/(RT) = (1 - (a)/(RTV)) = Z`
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