van der Waals equation
Definition of van der Waals equation
: an equation that defines the physical state of a homogeneous gas, is a modification of the ideal-gas equation, and more nearly describes the properties of actual gases: (p + (a/v2)) (v−b)=RT where p is the pressure, v the specific volume, R the gas constant, T the absolute temperature, and a and b are constants depending respectively on the cohesion between the molecules and the volume occupied by the molecules — compare gas law c
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Origin and Etymology of van der waals equation
after Johannes D. van der Waals †1923 Dutch physicist
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