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van der Waals’ equation

van der Waals' e·qua·tion [ vàn dər wlz i kwày'n, vàn dər wáwlz i kwày'n ]


noun 
Definition:
 
modified equation of state: a modified equation of state describing the physical behavior of gases that takes into account the volumes of molecules and the interactions between them. It explains the difference in behavior between a real gas and an ideal gas that obeys the gas laws.

[After Johannes van der Waals (1837-1923), Dutch physicist]
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