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Fundamental Physical Constants

Last updated

Apr 23, 2019
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- Formation Constants for Complex Ions
- Ionization Constants of Weak Acids

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Fundamental Physical Constants
Name and Symbol	Value
atomic mass unit (amu)	1.6605402 × 10⁻²⁷ kg
Avogadro’s number	6.0221367 × 10²³ mol⁻¹
Boltzmann’s constant (k)	1.380658 × 10⁻²³ J K⁻¹
charge-to-mass ratio for electron (e/m_e)	1.75881962 × 10¹¹ C kg⁻¹
electron charge (e)	1.60217733 × 10⁻¹⁹ C
electron rest mass (m_e)	9.1093897 × 10⁻³¹ kg
Faraday’s constant (F)	9.6485309 × 10⁴ C mol⁻¹
gas constant (R)	8.205784 × 10⁻² L atm mol⁻¹ K⁻¹ = 8.314510 J mol⁻¹ K⁻¹
molar volume of an ideal gas, 1 atm, 0 °C	22.41409 L mol^–1
molar volume of an ideal gas, 1 bar, 0 °C	22.71108 L mol^–1
neutron rest mass (m_n)	1.6749274 × 10⁻²⁷ kg
Planck’s constant (h)	6.6260755 × 10⁻³⁴ J s
proton rest mass (m_p)	1.6726231 × 10⁻²⁷ kg
Rydberg constant (R)	1.0973731534 × 10⁷ m⁻¹ = 2.1798736 × 10⁻¹⁸ J
speed of light (in vacuum) (c)	2.99792458 × 10⁸ m s⁻¹

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