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27 Cards in this Set
- Front
- Back
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Amount of force applied to an area |
Pressure |
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F/A |
Pressure |
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Weight of air per unit of area |
Atmospheric pressure |
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1 ATM= 760 torr= 101.325 kPa |
Standard atmospheric pressure |
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The volume of a fixed quantity of gas at constant temp is inversely proportional to the pressure |
Boyles Law |
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P1V1=P2V2 |
Boules law |
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The volume of a fixed amount of gas at constant pressure is directly proportional to the temp |
Charles Law |
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V1/T1=V2/T2 |
Charles law |
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The volume of a gas at constant temp and pressure is directly proportional to the number of moles of the gas |
Avogadros law |
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At STP one mile of gas occupies |
22.4 L |
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V1/n1=V2/n2 |
Avogadros law |
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PV=nRT |
Gas las |
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The total pressure of a mixture of gases equals the sum of the pressures that each would exert if it were present alkne |
Dalton's law of partial pressure |
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1) Gases consist of large numbers of molecules that are in continuous, random motion 2)the combined volume of all the molecules of the gas is negligible relative to the total volume in which the gas is contained 3)attractive and repulsive forces between gas and molecules are negligible |
Kinetic molecular theory |
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KE CONTINUED 4) energy can be transferred Between molecules during collisions but |
The average KE does not change with time as long as the temp is constant |
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KE CONTINUED 5) the average KE of molecules is proportional to the |
Absolute temp |
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Individual molecules can have different |
Speeds of motion |
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If a gas has low mass, it's speed will be |
Greater than for a heavier molecule |
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KE Gases consist of large large numbers of molecules in |
Continuous random motion |
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KE The combined volume of all the molecules of the gas is negligible relative to the |
Total volume in which the gas is combined |
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KE attractive and repulsive forces between gas molecules are |
Negligible |
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The escape of gas molecules through a tiny hole into a space |
Effusion |
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Spread of one substance through a space of a second substance |
Diffusion |
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--- law relates the ---- of two gases to their rate of speed to travel |
Grahams Molar mass |
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Even the same gas will show different behavior under |
High pressure AT diff temps |
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The assumptions made in the kinetic molecular theory |
Break don at high pressure and or low temp |
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The corrected ideal gas equation is |
Van der waals equation |
