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The compressibility factor for a real ga...

The compressibility factor for a real gas at high pressure is .

A

1

B

`1+ pb//RT`

C

`1- pb//RT`

D

`1+ RT//pb`

Text Solution

Verified by Experts

The correct Answer is:
B
Var der Waals. equation is
`(p+(a)/(V^(2)))(V-b)=RT`
At high pressure, `(a)/(V^(2))` can be neglected so that
`p(V-b)=RT`
`pV-pb=RT`
`(pV)/(RT)-(pb)/(RT)=1`
`"or "(pV)/(RT)=1+(pb)/(RT)`
`therefore" "Z=1+(pb)/(RT)`
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