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General Chemistry/Constants
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Useful Physical/Chemical Constants
Constant Value Avogadro's Number NA = 6.022 14 × 1023 mol-1 Faraday Constant F = 96 485.33 C mol-1 Atomic Mass Constant 1 amu = 1.660 538 × 10-27 kg Molar Gas Constant R = 8.314 4 J mol-1 K-1 Molar Gas Constant R = 0.082 057 46 L atm K-1 mol-1 Coulomb's Constant ke = 8.987 551 × 109 N m2 C-2 Speed of Light (Vacuum) c = 299 792 458 m s-1 Boltzmann Constant kb = 1.380 65 × 10-23 J K-1 Charge on a Proton/Electron e = 1.602 176 × 10-19 C Standard acceleration of gravity g = 9.806 65 m s-2 Rydberg constant R∞ = 1.0973 731 568 539 × 107 m-1 Planck's Constant h = 6.62607004 × 10-34 J s Specific heat capacity of liquid water c = 4.18 kJ kg-1°C-1
These constants were obtained from The NIST Reference on Constants, Units and Uncertainty.