Question

why do we need compressibility factor ? and what can we infer from the z value answer this question based on understanding pls not on the book definition

Answer 1

Compressibility factor (Z) is a correction factor which describes the deviation of a real gas from ideal gas behavior. It is simply defined as the ratio of the molar volume of a gas to the molar volume of an ideal gas at the same temperature and pressure
Compressibility factor is used to find which type of gas the given one is
Z=PV/RT
Z=1, for ideal gas
Any other value refers to real gas.
if z>1 it refer it deviate +vly from ideal behaviour.
If Z<1 it refers it deviate -vly from ideal behaviour.
Hope it helps.
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