| Name
| Symbol
| Value(s)
| Units
|
| Angstrom Unit |
Å |
1.00 x 10-10 m |
meters
|
| Avogadro number |
NA |
6.02 x 1023 mol-1 |
(units) per mole
|
| Charge of electron |
e |
1.60 x 10-19 C |
coulombs
|
| Electron volt |
eV |
1.60 x 10-19 J |
joules
|
| Speed of light |
c |
3.00 x 108 m s-1 |
meters per second
|
| Planck's constant |
h |
6.63 x 10-34 J s |
joule seconds
|
| 1.58 x 10-37 kcal s |
kilocalorie seconds
|
| Universal gas constant |
R |
0.0821 L atm mol-1 K-1 |
liter atmospheres per mole per kelvin
|
| 1.98 cal mol-1 K-1 |
calories per mole per kelvin
|
| 8.31 J mol-1 K-1 |
joules per mole per kelvin
|
| Atomic mass unit |
m (amu) |
1.66 x 10-24 g |
grams
|
| Volume standard, liter |
L |
1.00 x 103 cm3 |
cubic centimeters
|
| 1 dm3 |
cubic decimeters
|
| Standard pressure, atmosphere |
atm |
101.3 kPa |
kilopascals
|
| 760 mmHg |
millimeters of mercury
|
760 torr
|
torr |
| Heat equivalent, kilocalorie |
kcal |
4.18 x 103 J |
joules
|
