Fundamental Physical Constants
| Quantity | Symbol | Value | Unit
|
|
speed of light in vacuum
| c; c0
| 299792458
| m/s
| acceleration due to gravity
| g
| 9.80665
| m/s2
| Planck constant
| h
| 6.6260687652 x 10-34
| J.s
| Avogadro constant
| NA; L
| 6.0221419947 x 1023
| mol-1
| atomic mass constant
| mu = 1/12 m(12C) = 1 u
| mu
| 1.6605387313 x 10-27
| kg
| energy equivalent
| muc2
| 1.4924177812 x 10-10
| J
| Faraday constant
| F
| 96485.341539
| C/mol
| molar Planck constant
| NAh
| 3.99031268930 x 10-10
| J.s/mol
|
| NAhc
| 0.1196265649291
| J.m/mol
| molar gas constant
| R
| 8.314472
| J/(mol.K)
| Boltzmann constant
| k
| 1.380650324 x 10-23
| J/K
| molar volume of ideal gas RT/p
| Vm
| T = 273.15 K; p = 101.325 kPa
|
| 22.41399639 x 10-3
| m3/mol
| T = 273.15 K; p = 100 kPa
|
| 22.71098140 x 10-3
| m3/mol
| Loschmidt constant
| n0
| 2.686777547 x 1025
| m-3
| Sackur-Tetrode constant | (absolute entropy constant) S0/R
| T1 = 1 K; p0 = 101.325 kPa
|
| - 1.164867844
|
| T1 = 1 K; p0 = 100 kPa
|
| - 1.151704844
|
| Stefan-Boltzmann constant
| σ
| 5.67040040 x 10-8
| W/(m2.K4)
| first radiation constant
| c1
| 3.7417710729 x 10-16
| W.m2
| second radiation constant
| c2
| 1.438775225 x 10-2
| m.K
| | ||||||||||
