Physical Constants

Physical Constants.

 

Constant Value
Atomic Mass Unit 1.660540 x 10-27 kg
Avogadro constant 6.022137 x 1023 mol-1
Bohr magneton 9.274015 x 10-24 JT-1
Bohr radius 5.291771 x 10-11 m
Boltzmann constant 1.380662 x 10-23 JK-1
Compton wavelength (e) 2.426311 x 10-12 m
Compton wavelength (n) 1.319591 x 10-15 m
Compton wavelength (p) 1.321410 x 10-15 m
Electric field constant in vacuo 8.854188 x 10-12 Fm-1
Electron radius 2.817941 x 10-15 m
Elementary charge 1.602177 x 10-19 C
Faraday constant 9.648531 x 104 Cmol-1
Fine structure constant 7.297353 x 10-3
Gas constant 8.31451 J mol-1K-1
Gravitation constant 6.672590 x 10-11 Nm2kg-2
Intrinsic impedance 3.767301 x 102 Ω
Light velocity in vacuo 2.997924 x 108 ms-1
Loschmidt constant 2.686763 x 1025 m-3
Magnetic field constant in vacuo 1.256637 x 10-7 Hm-1
Molar volume of ideal gases 298 K, 101.325 kPa 2.445294 x 10-2 m3mol-1
Molar volume of ideal gases 298 K, 101.325 kPa 2.445294 x 10-2 m3mol-1
Normal acceleration of fall 9.80665 ms-2
Planck constant 6.626075 x 10-34 Js
Rest mass of the electron 9.109390 x 10-31 kg
Rest mass of the neutron 1.674929 x 10-27 kg
Rest mass of the proton 1.672623 x 10-27 kg
Rotational quantum 1.054588 x 10-34 Js
Rydberg constant 1.097373 x 107 m-
Speed of light 2.998 x 108 m/s
Pi 3.14159
e 2.718
ln x 2.3026 log x
2.3026 R 19.14 J/(mol.K)
2.3026 RT (at 25°C) 5.708 kJ/mol

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>