Chimie des solutions
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© The scientific sentence. 2007
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Universal constants in Physics
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Constant | Symbol | Value |
Gravitational acceleration | g | 9.81 m s-2 |
Gravatational Constant | G | 6.673 x 10-11Nm2kg-2 |
Avogadro's number | NA | 6.023 x 1023mol-1 |
Water triple point | Twater | 273.15K |
Ideal gas constant | R | 8.314JK-1mol-1 |
torr | torr | 133.32Pa |
Boltzmann's Constant | k | 1.381 x 10-23JK-1 |
Stefan's Constant | σ | 5.670 x 10-8Wm-2K-4 |
Rydberg's Constant | Rhc | 1.097 x 107m-1 |
Planck's Constant | h | 6.626 x 10-34Js |
Light velocity(vacuum) | c | 2.998 x 108ms-1 |
Proton's charge | e | 1.602 x 10-19C |
Electron's charge | me | 9.109 x 10-31kg |
Masse atomic Unit | u | 1.66 x 10-27kg |
Electrical's Constant | ε0 | 8.854 x 10-12Fm-1 |
Magnetic's Constant | μ0 | 4π x 10-7Hm-1 |
Bohr's Constant | μB | 9.274 x 10-24Am2 |
Nuclear Magneton | μN | 5.051 x 10-27Am2 |
Fine structure constant | α | 7.297 x 10-3 |
Electronic wavelength | λc | 2.426 x 10-12m |
Bohr's radius | a0 | 5.2918 x 10-11m |
Angstrom | Ǻ | 10-10m |
barn | b | 10-28m2 |
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