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Chemistry Ch. 10
Gases
| Term | Definition |
|---|---|
| Pressure | P = F/A |
| Atmospheric pressure | F = mg |
| 1 Pascal (Pa) | 1N/m^2 |
| 1 bar | 10^5 Pa |
| 1 Newton | (kg m)/s^2 |
| 1 torr | 1 mmhg |
| 1 atm | 760 mmhg |
| Manometer | A device used to measure the difference in pressure between atmospheric pressure and that of a gas in a vessel |
| Boyle's law | The volume of a fixed quantity of gas maintained at constant temperature is inversely proportional to the pressure |
| Equation for Boyle's law | V=k(1/P) |
| Charles's law | The volume of a fixed amount of gas maintained at a constant pressure is directly proportional to its absolute temperature |
| Equation for Charles's law | V=kT |
| Avogadro's law | The volume of gas maintained at constant temperature and pressure is directly proportional to the number of moles of the gas |
| Equation for Avogadro's law | V=kn |
| Ideal gas law | PV=nRT |
| R (l-atm)/(mol-K) | 0.082 |
| R (J)/(mol-K) | 8.314 |
| STP | Standard temperature and pressure. Defined as 0 degrees C and 1.00 atm |
| Molar volume of an ideal gas at STP | The volume occupied by 1 mole of ideal gas at STP; 22.41L |
| Combined gas law | (P1V1)/(T1) = (P2V2)/(T2) |
| Density of a gas | d=(PM)/(RT) |
Created by:
jabflat
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