van der Waals' equation

or van der Waals equation

[ van der -wahlz, wawlz; Dutch vahn duhr -vahls ]

/ ˈvæn dər ˌwɑlz, ˌwɔlz; Dutch ˌvɑn dər ˈvɑls /

noun Thermodynamics.

an equation of state relating the pressure, volume, and absolute temperature of a gas, taking into account the finite size of the molecules and the attractive force between them.

Origin of van der Waals' equation

named after J. D. van der Waals (1837–1923), Dutch scientist

Words nearby van der Waals' equation

Van der Hum, Van der Merwe, Van der Post, van der Rohe, van der Waals, van der Waals' equation, van der Waals force, van der Waals' forces, van der Weyden, Van Der Zee, Van Devanter

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for van der Waals' equation

van der Waals equation

/ (ˈvæn də ˌwɑːlz) /

noun

an equation of state for a non-ideal gas that takes account of intermolecular forces and the volume occupied by the molecules of the gas

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for van der Waals' equation

van der Waals equation

An equation that relates the pressure, volume, and absolute temperature of a gas taking into account the finite size of molecules, and their intermolecular attraction, having the form RT = (P + av-2)(v - b), where R is the gas constant, T is the absolute temperature, P is the pressure, v is the volume of fluid per molecule, a is a measure of the attraction of the molecules for each other (due to van der Waals forces), and b is the volume occupied by a single molecule. The equation accurately captures phase transitions between liquid and gas phases of substances. See also ideal gas law.

单词	van der waals' equation
释义	van der Waals' equation or van der Waals equation [ van der -wahlz, wawlz; Dutch vahn duhr -vahls ] / ˈvæn dər ˌwɑlz, ˌwɔlz; Dutch ˌvɑn dər ˈvɑls / noun Thermodynamics. an equation of state relating the pressure, volume, and absolute temperature of a gas, taking into account the finite size of the molecules and the attractive force between them. Origin of van der Waals' equation named after J. D. van der Waals (1837–1923), Dutch scientist Words nearby van der Waals' equation Van der Hum, Van der Merwe, Van der Post, van der Rohe, van der Waals, van der Waals' equation, van der Waals force, van der Waals' forces, van der Weyden, Van Der Zee, Van Devanter Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for van der Waals' equation van der Waals equation / (ˈvæn də ˌwɑːlz) / noun an equation of state for a non-ideal gas that takes account of intermolecular forces and the volume occupied by the molecules of the gas Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for van der Waals' equation van der Waals equation An equation that relates the pressure, volume, and absolute temperature of a gas taking into account the finite size of molecules, and their intermolecular attraction, having the form RT = (P + av-2)(v - b), where R is the gas constant, T is the absolute temperature, P is the pressure, v is the volume of fluid per molecule, a is a measure of the attraction of the molecules for each other (due to van der Waals forces), and b is the volume occupied by a single molecule. The equation accurately captures phase transitions between liquid and gas phases of substances. See also ideal gas law. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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