Deviate at least slightly from Ideal Gas Law because of two factors:
gas molecules attract one another
gas molecules occupy a finite volume
Both of these factors are neglected in the Ideal Gas law. Both increase in importance when molecules are close together (high P, low T)
van der Walls equation corrects for the attraction between molecules.nb corrects for the volume of gas moleculesvan der Walls constants are given
gas molecules attract one another
gas molecules occupy a finite volume
Both of these factors are neglected in the Ideal Gas law. Both increase in importance when molecules are close together (high P, low T)
van der Walls equation corrects for the attraction between molecules.nb corrects for the volume of gas moleculesvan der Walls constants are given
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