Inorganic Chemicals

Velocity of light, c = 2.9979 x 10⁸ m/s (in vacuum)
Planck’s constant, h = 1.05457 x 10⁻³⁴ J.s
Rydberg constant, RH = 2.17991 x 10⁻¹⁸ J
Boltzmann constant, k = 1.3807 x 10⁻¹⁶ erg/K
Acceleration of gravity, g = 980.6 cm/s
Electron mass, me = 9.1094 x 10⁻³¹ kg
Proton mass, mr = 1.6726 x 10⁻²⁷ kg
Neutron mass, mn = 1.6749 x 10⁻²⁷kg
Proton-electron mass ratio = 1836
Atomic mass unit (amu) = 1.6605 x 10⁻²⁷ kg
Electron charge, e = 1.60219 x 10¹⁹ C
Faraday constant, F = 9.648456 x 10⁴ C
Avogadro constant = 6.022 x 10²³/mol
Molar volume at STP = 22.41384 L
Molar gas constant, R = 0.08026 L. atm/mol. K
= 8.3145 J/mol. K
= 1.9872 cal/mol. K