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gas constant

British  

noun

  1.  R.  Also called: universal gas constant.  the constant in the gas equation. It is equal to 8.31472 joules per kelvin per mole

"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
gas constant Scientific  

  1. A constant, equal to 8.314 joules per mole degree Kelvin or 1.985 calories per mole degree Celsius, that is the constant of proportionality (R) in the universal gas law.

Example Sentences

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The negative of the slope of that graph is the energy of activation divided by the universal ideal gas constant, R = 8.314 J/Kmol.

From Textbooks • Jun. 9, 2022

We define the universal gas constant R = NAk , and obtain the ideal gas law in terms of moles.

From Textbooks • Aug. 12, 2015

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.