65
Note: Displayed constant values are rounded. The values
used for calculations are given in the following table.
Constant Value used for calculations
c
speed of light 299792458 meters per second
g gravitational
acceleration
9.80665 meters per second
2
h Planck’s constant
6.62606896×10
M34
Joule seconds
NA Avogadro’s number
6.02214179×10
23
molecules per
mole
R
ideal gas constant 8.314472 Joules per mole per
Kelvin
me electron mass
9.109381215×10
M31
kilograms
mp proton mass
1.672621637×10
M27
kilograms
mn neutron mass
1.674927211×10
M27
kilograms
mμ muon mass
1.88353130×10
M28
kilograms
G universal gravitation
6.67428×10
M11
meters
3
per
kilogram per seconds
2
F Faraday constant 96485.3399
Coulombs per mole
a0 Bohr radius
5.2917720859×10
M11
meters
re classical electron
radius
2.8179402894×10
M15
meters
k Boltzmann constant
1.3806504×10
M23
Joules per
Kelvin
e electron charge
1.602176487×10
M19
Coulombs
u atomic mass unit
1.660538782×10
M27
kilograms
atm standard
atmosphere
101325 Pascals
H0 permittivity of
vacuum
8.854187817620×10
M12
Farads
per meter
m0 permeability of
vacuum
1.256637061436×10
M6
Newtons
per ampere
2
Cc Coulomb’s constant
8.987551787368×10
9
meters per
Farad
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