Subject: Chemistry
Book: General Chemistry
Real gases deviate from ideal behavior due to intermolecular attractions and finite molecular volumes. The van der Waals equation [ (P + a(n/V)² ) (V – nb) = nRT ] introduces correction terms a (for attractive forces) and b (for molecule volume). These corrections become significant under high pressures or low temperatures, where gas particles are closer together. Studying real gases is important for accurate design of industrial processes.
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