Difference between revisions of "Constants"
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Bwilliston (Talk | contribs) (Fix typesetting of exponents in math mode) |
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Atomic mass unit: 1.00 amu = 1.67 x <math>10^{-27}</math>kg | Atomic mass unit: 1.00 amu = 1.67 x <math>10^{-27}</math>kg | ||
| − | + | [[Avogadro's number]]: 6.02 x <math>10^{23}</math> particles/mole | |
Planck's constant: 6.23 x <math>10^{-34} \frac{Joules}{Hertz}</math> | Planck's constant: 6.23 x <math>10^{-34} \frac{Joules}{Hertz}</math> | ||
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| + | [[category:physics]] | ||
| + | [[category:chemistry]] | ||
Revision as of 23:18, July 23, 2007
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 |
