Hp 48g Graphing Calculator Manual do Utilizador Página 358

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Using the Constants Library
The Constants Library contains a collection of common physical
constants and quantities. You can use them in equations and
programs. (Several of these constants are used by the Equation
Library.) The following table lists them in the order they appear in
the Constants Library.
Constants Library
Name
Description
Value (SI)
NA Avogadro’s number
6.0221367E23 gmol“i
k
Boltzmann constant
1.380658E-23 J/K
Vm Molar volume
22.4141 1/gmol
R Lfniversal gas constant
8.31451 J/(gmoLK)
StdT
Standard temperature
273.15 K
StdP Standard pressure
101.325 kPa
(7
Stefan-Boltzmann
constant
5.67051E-8 W/(m2-K4)
C
Speed of light in vacuum
299792458 m/s
eO
Permittivity of vacuum
8.85418781761E-12 F/m
fiO
Permeability of vacuum
1.25663706144E-6 H/m
g
Acceleration of gravity
9.80665 m/s2
G Gravitational constant 6.67259E-11 m^/Cs^dcg)
h Planck’s constant
6.6260755E-34 J-s
hbar
Dirac’s constant
1.05457266E-34 J-s
q
Electron charge
1.60217733E-19 C
me
Electron rest mass
9.1093897E-31 kg
qme
q/me
175881962000 C/kg
mp
Proton rest mass
1.6726231E-27 kg
mpme mp/me
1836.152701
a
Fine structure constant
0.00729735308
<t>
Magnetic flux quantum
2.06783461E-15 Wb
F Faraday constant
96485.309 C/gmol
25
25-12 The Equation Library
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