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