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Compressibility factor for a real gas at...

Compressibility factor for a real gas at high pressure-

A

`1`

B

`1+(Pb)/(RT)`

C

`1-(Pb)/(RT)`

D

`1+(RT)/(Pb)`

Text Solution

Verified by Experts

The correct Answer is:
B
van der waals equation, `(P+(a)/(V^(2)))(V-b)=RT`
At high pressure `P gt gt (a)/(V^(2))`, hence, `P(V-b)=RT`
or, `PV=RT+Pb or, (PV)/(RT)=1+(Pb)/(RT)or, Z=1+(Pb)/(RT)`
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