|
Constant |
Symbol |
Magnitude |
| Avogadro's Number |
NA
|
6.022 x 1023 molecules/mole |
| Universal gas constant |
R
|
8.314472 J/(mol*K) |
| Boltzmann's constant |
k
|
1.38 x 10-23 J/K = 8.62 x 10-5 eV/K |
| Stefan-Boltzmann constant |
s
|
5.67x10-8 J/(s*m2*K4)
|
| Electronic charge |
q
|
1.6 x 10-19 C |
| Electronvolt |
eV
|
1.6 x 10-19 J |
| Planks constant |
h
|
6.625 x 10-34 J-s |
| Thermal voltage, kT, at 300 oK |
Vt
|
25.8 mV |
| Velocity of light |
c
|
3 x 1010 cm/s |
| Permeability of free space |
uo
|
1.257 x 10-8 H/cm |
| Permittivity of free space |
eo
|
8.854 x 10-14 F/cm |
| Free-electron mass |
me
|
9.1 x 10-31 kg |
| Proton mass |
mp
|
1.67262 x 10-27 kg |