Constants
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1 atm = 101.1 kPa
1.000 calorie = 4.184 Joules
1 Calorie = 1000 calories
760 torr = 1 atm
760 mm Hg = 1 atm
Atomic mass unit: 1.00 amu = 1.67 x
kg
Avogadro's number: 6.02 x
particles/mole
Planck's constant: 6.23 x
R = 0.0821
or 8.314
Standard Temperature and Pressure (STP): temperature = 273 K and pressure = 1.00 atm
| Mass | Charge | |
|---|---|---|
| Proton | 1.67 x kg |
+1 |
| Neutron | 1.67 x kg |
0 |
| Electron | 9.11 x kg |
-1 |
kg
kg