TEP-GasCharacteristi
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| diffusion | spontaneous mixing of the particles of two substances caused by their random motion
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| effusion | a process by which gas particles pass through a tiny opening
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| elastic collision | a collision between gas particles and gas particles and container walls in which there is no net loss of kinetic energy
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| fluid | a substance that can flow and therefore take the shape of its container; a liquid or a gas.
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| ideal gas | an imaginary gas that perfectly fits all the assumptions of the kinetic-molecular theory
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| kinetic-molecular theory | a theory based on the idea that particles of matter are always in motion
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| real gas | a gas that does not behave completely according to the assumptions of the kinetic-molecular theory
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| atmosphere of pressure (atm) | exactly equivalent to 760 mm Hg
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| barometer | a device used to measure atmospheric pressure
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| millimeter of mercury (mm of Hg) | a common unit of pressure symbolized as Hg. The same as 1 torr.
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| newton | the SI unit for force; the force that will increase the speed of a one kilogram mass by one meter per second it is applied
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| pascal | the pressure exerted by a force of one newton acting on an area of one square meter
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| kilopascal | (kPa) the easier way to express a pascal. the standard 1atm is equal to 101.325 kPa
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| pressure | the force per unit area on a surface
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| standard temperature and pressure (STP) | the agreed-upon standard conditions of exactly 1 atm pressure and 0°
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| standard ambient temperature and pressure (SATP) | 25 C, 1 bar
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| torr | The downward pressure, at any given point in the atmosphere, of the gases directly above that point. the same as 1 mm Hg
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| absolute zero | the temperature -273.15°C, given a value of zero in the Kelvin scale
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| Kelvin | unit of measuring temperature. the scale starts at a temperature corresponding to -273.15 C
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| Boyle’s Law | the volume of a fixed mass of gas varies inversely with pressure at constant temperature
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| Charles’s Law | the volume of a fixed mass of gas at a constant pressure varies directly with the Kelvin temperature
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| Combined gas law | the relationship between the pressure, volume and temperature of a fixed amount of gas
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| Dalton’s Law of partial pressure | the total pressure of a mixture of gases is equal to the sum of the partial pressures of the component gases
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| Gay-Lusscac’s Law | the pressure of a fixed mass of gas at a constant volume varies directly with the Kelvin temperature
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| Ideal gas law | the mathematical relationship of pressure, volume, temperature and the number of moles of a gas
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| Partial pressure | the pressure of each gas in a mixture
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| Avogadro’s Law | equal volumes of gases at the same temperature and pressure contain equal numbers of molecules
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| van der Waals equation | sum of the attractive or repulsive forces between molecules
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| bar | a unit of pressure equal to 100 kilopascals, roughly equal to the atmospheric pressure on Earth at sea level
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| Gas Constant | (R) equals 0.082 liter-atmospheres per mole-degree
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Created by:
Tessa Elise
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