General Chemistry/Constants

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	General Chemistry
Book Cover · Introduction ·  v d e
Units: Matter · Atomic Structure · Bonding · Reactions · Solutions · Phases of Matter · Equilibria · Kinetics · Thermodynamics · The Elements
Appendices: Periodic Table · Units · Constants · Equations · Reduction Potentials · Elements and their Properties

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[edit] Useful Physical 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	k = 1.380 65 × 10-23 J K-1
Charge on a Proton/Electron	e = 1.602 176 × 10-19 C

These constants were obtained from The NIST Reference on Constants, Units and Uncertainty.