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20 Cards in this Set
- Front
- Back
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escaping of a gas through a small hole in the container |
effusion |
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measure of how much volume the gas decreases under pressure |
compressibility |
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tendency of molecules to move from areas of high concentration to low concentration |
diffusion |
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pressure exerted by an individual gas like oxygen in air |
partial pressure |
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for a given mass of gas at constant temperature the volume of the gas varies inversely with pressure |
Boyle's Law |
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volume of a fixed mass of gas is directly proportional to its kelvin temperature if the pressure is kept constant |
Charles's Law |
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gas pressure dependent only on the number of particles and their average kinetic energy |
dalton's law |
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the rate of effusion of a gas is inversely proportional to the square root of the gas's molar mass |
graham's law |
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at constant volume, the temperature of gas varies directly with the pressure |
gay-lussac's law |
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P xV =n x R x T |
ideal gas law |
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Why is gas easier to compress than a liquid or a solid |
The volume of a gas's particles is small compared to the overall volume of the gas. |
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why does the temperature inside a container of gas increase if more gas is added to the container |
there is an increase in # collisions between particles and wall of the container |
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what happens to the pressure of a gas inside a container if the temperature of the gas decreases |
it decreases |
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if a balloon is heated what happens to the pressure of the air in the balloon if the volume remains constant? |
Stays the same constant |
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What does the ideal gas law allow a scientist to calculate that the other gas laws do not |
number of moles |
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which law can be used to calculate the number of moles of contained gas |
ideal gas laws |
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at low temperature and pressures, how does the volume of a real gas compare with the volume of an ideal gas under the same conditions |
its less |
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under what conditions of temperature and pressure is the behavior of real gases most like that of ideal gases |
low temperature and high pressure |
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Why does air escape from a tire when the tire valve is opened? |
the pressure outside the tire is lower than the pressure inside the tire |
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When the temperature and number of particles of a gas are constant, which of the following is also constant? |
the product of the pressure and volume |
