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The study of chemical systems using the laws and concepts of physics. This usually requires the techniques of thermodynamics, statistical mechanics and quantum mechanics.
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How to derive the compressibility factor for a van der Waals gas?
So as far as I know,
$$Z=\frac{p_\mathrm{r}V_\mathrm{r}}{nRT},$$
where $\mathrm{r}$ denotes the subscript for real.
Solving it for a van der Waals gas gave me the following result,
$$Z=1+\frac{p_\m …
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Compressibility Factor Of Gases
In the general equation of the compressibility factor $Z$, we define $Z$ as
$$Z=\frac{pV}{nRT}$$
Here, what is $p$? Is it $p_\text{real}$ or $p_\text{ideal}$?
Also, what is $V$? $V_\text{real}$ or $V_ …