Question

The value of $Z_c$ at $T_c,P_c$ and $V_c$ is $\frac{3}{x}$.
Value of $x$ is ____.

Answer 1

As we know,

$V_c=3b$

$P_C=\frac{a}{27b^2}$

$T_c=\frac{8a}{27Rb}$

$Z_C=\frac{P_c{V}_c}{R{T}_c}$

$Z_c=\frac{3}{8}$

So, value of $x$ is 8.