Question

what are the main reason for which real gases deviate form ideal behavior ?
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Answer 1

$\huge\mathbb\fcolorbox{purple}{lavenderblush}{✰αηsωεя࿐}$

Gases deviate from the ideal gas behaviour because their molecules have forces of attraction between them. At high pressure the molecules of gases are very close to each other so the molecular interactions start operating and these molecules do not strike the walls of the container with full impact.

Answer 2

Answer:

The ideal gas law is commonly used to model the behavior of gas-phase reactions. Ideal gases are assumed to be composed of point masses whose interactions are restricted to perfectly elastic collisions; in other words, a gas particles’ volume is considered negligible compared to the container’s total volume.