Why do real gases deviate from ideal gases in their behaviour? - Vidyadip

Question

Why do real gases deviate from ideal gases in their behaviour?

✓

Answer

According to the theory of molecular motion of gases, on reducing the temperature and increasing the pressure, the deviation from the ideal behavior of real gases increases. Because when the pressure of a gas increased its molecules come closes and their volume decreases, due to which the compressibility of the gas decreases and it shows deviation for ideal behavior the diffusivity of a gas is represent by its compressibility coefficient Z.
that is $
Z=\frac{PV}{RT}
$

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