Jade Davis Ch 10 voc
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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 between 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  
kineticmolecular 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 assumption os 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 use of pressure  
newton  the SI unit for force, the force that will increase the speed of a one kilogram mass by one meter per second each second it is applied  
pascal  the pressure exerted by a force of one newton acting on an are of one square meter  
kilopascal  equal to 1.013 x 10 ^5  
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 degrees cecius  
standard ambient temperature and pressure (SATP)  equal to one bar  
torr  equal to 1 mm Hg  
absolute zero  the temperature 273.15 degree Celsius given a value of 0 in the kelvin scale  
Kelvin  the temperature at which all thermal motion ceases  
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 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  
GayLusscac’s Law  the pressure of a fixed mass of gas at constant volume varies directly with the kelvin temperature  
Ideal gas law  the mathmatical 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  equation that relates the behavior of real gases to those of ideal gases  
bar  
Gas Constant 
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