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19 terms
Terms | Definitions |
|---|---|
 Compressibility | measure of how much volume of matter decreases under pressure |
| what affects gas | volume, pressure, temperature |
| Boyle's law | for a given mass of gas at constant temperature, the volume of the gas varies inversely with pressure |
| Boyle's law | P x V = P x V |
| Charles's Law | the volume of a fixed mass of gas is directly proportional to its Kelvin temperature if the pressure is kept constant |
| Charles's Law | V/T = V/T |
| Gay-Lussac's Law | the pressure of a gias is directly proportional to the Kelvin temperature if the volume remains constant |
| Gay-Lussac's Law | P/T = P/T |
| Combined Gas law | descibes the relationship among the pressure, temperature, and volume of an enclosed gas |
| Combined Gas Law | PxV/T = PxV/T |
| Ideal Gas Law | used to calculate the number of moles of a contained gas |
| Ideal Gas Law | PV= nRT |
| Ideal gas constant | 8.31 |
| Partial pressure | the contribution each gs in a mixture makes to the total pressure |
| partial pressure | Proom= P1 + P2 + P3... |
| Dalton's law of partial pressure | at constant volume and temperature, the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of the component gases |
| diffusion | the tendency of molecules to move towards areas of lower concentration until concentration is uniform |
| effusion | a gas escapes through a tiny hole |
| Graham's law of effusion | the rate of effusion of a gas is inversely proportional to the square root of the gas's molar mass |
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