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Science

Constants
  Name Gas Constant
Molar Gas Constant
 
  Symbol R
 
  Value

8.314 472 (15) J mol-1 K-1
 
  Category

General Physical Constants
 
  Comments   R is equal to NAkB , where NA is the Avogadro number and kB is Boltzmann's constant. The ideal gas law for one mole of gas is thus pV = RT . The molar gas constant is most accurately found by measuring the speed of sound in argon.
 
  References The CRC Handbook of Chemistry and Physics , 81st edition, 2000-2001

The theory of thermodynamics , J R Waldram, CUP, 1985
     

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