QJEEM12Ch9793: JEE Main 2012 Chemistry - Class 11 JEEM12Ch9793 Solution: The compressibility factor for a real gas at high pressure is :

Question

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

Accepted Answer

(P + \frac{a}{V^{2}}) (V - b) = R T

at high pressure

\frac{a}{V^{2}}

can be neglected

P V - P b = R T

and

P V = R T + P b

\frac{P V}{R T} = 1 + \frac{P b}{R T}

z = 1 + \frac{P b}{R T}; Z > 1

at high pressure

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