Constant |
Value |
|
Atomic
mass unit u |
1.660540
x 10-27 Kg |
|
Avogadro
Constant NA |
6.022
x 1023 mol-1 |
|
Boltzmann
constant k |
1.381
x 10-23
J K-1 |
|
Electron
specific charge -e/me |
-1.759
x 10-11 C Kg-1 |
|
Elementry
charge e |
1.602
x 10-19 C |
|
1 eV |
1.602
x 10-19 Joules |
|
Gravitational
constant G |
6.673
x 10-11 m3
Kg-1 s-2 |
|
Mass
of Electron me |
9.109
x 10-31 Kg |
|
Mass
of Helium nucleus |
6.646782
x 10-27 Kg |
|
Mass
of Neutrino |
about
2.4 eV |
|
Mass
of Neutron mn |
1.674929
x 10-27 Kg |
|
Mass
of Proton mp |
1.672623
x 10-27 Kg |
|
Molar
gas constant R |
8.314
J mol-1 K-1 |
|
Molar
volume of ideal gas Vm |
2.24 x 10-2 m3 mol-1 |
|
Permeability
of free space m0 |
4p
x 10-7
H m-1 |
|
Permittivity
of free space e0 |
8.854187827
x 10-12 F m-1 |
|
Planck's
constant h |
6.6261
x 10-34 joule seconds |
|
Speed
of light c |
2.99792458
x 108 m s-1 |
|
c2 |
8.987551787
x 1016 m s-1 |
Other information |
Value |
|
Acceleration
due to gravity g |
9.81 m s-2 |
|
Density
of air rair |
1.247
Kg m-3 |
|
Density
of water rwater |
1000
Kg m-3 |
|
Mass
of the Earth mE |
5.976
x 1024 Kg |
|
Radius
of the Earth rE |
6.371
x 106 m |