Q

# Solve it, The compressibility factor for a real gas at high pressure is :

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

• Option 1)

• Option 2)

• Option 3)

• Option 4)

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$\dpi{100} For \; real \; gases,\left ( P+\frac{a}{V^{2}} \right )(V-b)=RT$

$\dpi{100} At\; high \; pressure,P> > a/V^{2}$

$\dpi{100} Thus \; neglecting\; a/V^{2}\; gives$

$\dpi{100} P(V-b)=RT\; or\; PV=RT+Pb$

$\dpi{100} or\; \frac{PV}{RT}=Z=\frac{RT+Pb}{RT}\Rightarrow Z=1+Pb/RT$

Option 1)

Option 2)

Option 3)

Option 4)

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