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### 14 Cards in this Set

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 Kinetic Molecular Theory 1. Ignore volume 2. No intermolecular forces (elastic collisions) 3.KE ~ T Ideal gas Gas that satisfies all requirements of kinetic molecular theory STP standard temperature and pressure -0 C (273 K) and 1 atm (760 mm Hg = 760 torr) Ideal Gas Law PV= nRT P1V1/T1= P2V2/T2 Charles Law If the pressure is constant, volume is proportional to temperature V1/T1 = V2/T2 Boyles Law if the temperature is constant, pressure is inversely proportional to volume P1V1=P2V2 Constant volume Pressure is proportional to temperature P1/T1=P2/T2 1 mole ideal gas 22.4 L at STP Daltons Law of Partial Pressures Total pressure is sum of partial pressures of all the constituent gases Partial pressure of gas Mole fraction * total pressure Effusion The escape of gas molecules through a tiny hole to the vacuum Diffusion Mixing of the gases (not vacuum) Grahams Law of Effusion rate of effusion of gas A/rate of effusion of gas B = sqrt (molar mass of gas B/molar mass of gas A) At what conditons do gases approach ideal gases behavior? low pressure and high temperature