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22.4: Las constantes físicas fundamentales

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Las constantes físicas fundamentales
El nombre y símbolo El valor
unidad de masa atómica (uma) 1.6605402 × 10−27 kg
el número de Avogadro 6.0221367 × 1023 mol−1
la constante de Boltzmann (k) 1.380658 × 10−23 J K−1
la relación de carga-masa para el electrón (e/me) 1.75881962 × 1011 C kg−1
la carga de los electrones (e) 1.60217733 × 10−19 C

la masa en reposo de los electrones (me)

9.1093897 × 10−31 kg
la constante de Faraday (F) 9.6485309 × 104 C mol−1
la constante de gas (R) 8.205784 × 10−2 L atm mol−1 K−1 = 8.314510 J mol−1 K−1
el volumen molar de un gas ideal, 1 atm, 0 °C 22.41409 L mol–1
el volumen molar de un gas ideal, 1 bar, 0 °C 22.71108 L mol–1
la masa en reposo de los neutrones (mn) 1.6749274 × 10−27 kg
la constante de Planck’s (h) 6.6260755 × 10−34 J s
la masa en reposo de los protones (mp) 1.6726231 × 10−27 kg
La constante de Rydberg (R) 1.0973731534 × 107 m−1 = 2.1798736 × 10−18 J
la velocidad de la luz (en el vacío) (c) 2.99792458 × 108 m s−1

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