Physical constants

speed of light :  c= 2.997 x 10⁸ m/s

gravitational constant :   G = 6.673 x 10^-11 Nxm²/kg²

gravity at the earth's surface :  g = 9.8066 m/s²

mass of an electron :   me = 9.109 x 10^-31 kg

mass of a proton :  mp = 1.673 x 10^-27 kg

mass of a neutron :   mn = 1.675 x 10^-27 kg

electron charge magnitude :  e = 1.602 x 10^-19 C

gas constant :  R = 8.315 J/mol x K

Avogadro's number :   N_A = 6.022 x 10²³ mol^-1

Boltzmann's constant :   k = 1.381 x 10^-23 J/K

Faraday :  F = 96,485 C

Plank's constant : h = 6.626 x 10^-34 J x s

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