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van der Waals covolume

van der Waals covolume

[′van dər ‚wȯlz ¦kō′väl·yəm]
(physical chemistry)
The constant b in the van der Waals equation, which is approximately four times the volume of an atom of the gas in question multiplied by Avogadro's number.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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