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At low pressure, if RT=2sqrt(a.p), then ...

At low pressure, if `RT=2sqrt(a.p),` then the volume occupied by a real gas is :

A

`(2RT)/(P)`

B

`(2P)/(RT)`

C

`(RT)/(2P)`

D

`(2RT)/(P)`

Text Solution

Verified by Experts

The correct Answer is:
c
(c) At low pressure,
`(P+(a)/(V^(2)))(V)=RT`
`i.e," "PV^(2)-RTV+a=0`
`V=(RT+-sqrt(R^(2)T^(2)-4Pa))/(2P)=(RT)/(2P)`
`( :' 4a.P=R^(2)T^(2))`
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