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Constants

 

Constant Symbol Value Unit
Avagadro's constant
NA
6.022045x1023
molecules/mol
Bohr radius
aB
0.052917
nm
Boltzmann's constant
k
1.380662x10-23

8.62x10-5

J/oK

eV/oK

Electron charge
q
1.602189x10-19
C
Electron rest mass
m0
0.910953x10-30
Kg
Faraday's constant
F
9.648456x104
C/mol
Gas constant
R
82.0568
cm3atm/moloK
Permeability of vacuum
µ0
1.25663x10-8
H/cm
Permittivity of vacuum
0
8.854187x10-14
F/cm
Planck's constant
h
6.626176x10-34
J·s
Reduced Planck's constant
0
1.05458x10-34
J·s
Proton rest mass
Mp
1.67264x10-27
Kg
Speed of light in a vacuum
c
2.99792x1010
cm/s