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Constants
Formulas
Glossary
Periodic Table
SI Units/Conversions
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Constants:
Avogadro Constant N 6.02214 * 1023 mol-1
Atomic Mass Constant mu 1.66054 * 10-27 kg
Boltzmann Constant k 1.38066 * 10-23 J/K
Stefan-Boltzmann Constant s 5.67051 * 10-8 W/m2*K4
1.71232 * 10-9 Btu/h*ft2*oR4
Molar Gas Constant R 8.31451 J/mol*K
0.082058 L*atm/mol*K
Faraday Constant F 96485.31 C/ mol
Molar Volume of Ideal Gas
(at STP: 0oC, 1 atm)
Vm 22.4141 L/mol
359.039 ft3/lb-mol
Planck's Constant h 6.626176 * 10-34 J*s
Electron charge e 1.60219 * 10-19 C
Electron mass me 9.10953 * 10-31 kg
Proton mass mp 1.672649 * 10-27 kg
Neutron mass mn 1.67495 * 10-27 kg
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