22.4: Constantes físicas fundamentais

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Constantes físicas fundamentais

Nome e símbolo	Valor
unidade de massa atômica (amu)	1.6605402 $\times$ 10 ⁻²⁷ kg
Número de Avogadro	6.02214076 $\times$ 10 ²³ mol ⁻¹
Constante de Boltzmann (k)	1.380649 $\times$ 10 ⁻²³ J K ⁻¹
relação carga/massa para elétron (e/m _e)	1.75881962 $\times$ 10 ^{× 11}° C kg ⁻¹
unidade fundamental de carga (e)	1.602176634 $\times$ 10 ⁻¹⁹° C
massa de repouso de elétrons (m _e)	9.1093897 $\times$ 10 ⁻³¹ kg
Constante de Faraday (F)	9.6485309 $\times$ 10 ^{~ 4}° C mol ⁻¹
constante de gás (R)	8.205784 $\times$ 10 ⁻² L atm mol ⁻¹ K ⁻¹ = 8,314510 J mol ⁻¹ K ⁻¹
volume molar de um gás ideal, 1 atm, 0 °C	22,41409 L mol ^—1
volume molar de um gás ideal, 1 bar, 0 °C	22,71108 L mol ^-1
massa de descanso de nêutrons (m _n)	1.6749274 $\times$ 10 ⁻²⁷ kg
Constante de Planck (h)	6.62607015 $\times$ 10 ⁻³⁴ J s
massa de descanso de prótons (m _p)	1.6726231 $\times$ 10 ⁻²⁷ kg
Constante de Rydberg (R)	1.0973731534 $\times$ 10 ⁷ m ⁻¹ = 2,1798736 $\times$ 10 ⁻¹⁸ J
velocidade da luz (no vácuo) (c)	2,99792458 $\times$ 10 ^{x 8} mm é ⁻¹

Tabela D1