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AP-Gases Flashcards

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5243268941Gas Pressurethe force that a gas exerts on the walls of its container.0
5243274129Boyle's LawIf the number of moles of a gas and temperature are held constant, the pressure and volume of an ideal gas have an inverse relationship. PV = k and P1V1 = P2V2 (Units of volume and pressure must be the same, k is a proportionality constant.)1
5243286444Charles's LawIf the number of moles of a gas and pressure are held constant, the volume of an ideal gas is directly proportional to temperature. V/T = b and V1/T1 = V2/T2 (Temp in Kelvin, b is a proportionality constant.)2
5243298571Avogadro's LawAt constant temperature and and pressure, the volume of an ideal gas is directly proportional to the number of moles of gas. V/n = a and V1/n1 = V2/n2 (n is equal to the number of moles, a is a proportionality constant.)3
5243310845Universal gas constant0.08206 (L*atm)/(K*mol) The gas constant will change based on the unit of pressure.4
5243315714Ideal Gas LawPV = nRT An equation of state for a gas at a given period of time. This is a limiting law, as it is not always true for all gases.5
5243319259Ideal GasA gas that follows the ideal gas law. An ideal gas is a hypothetical substance. Real gases behave "ideally" at low pressures (below 1 atm) and high temperatures.6
5243331976Molar Volume of an Ideal Gas22.4L7
5243335197STPStandard Temperature and pressure, 1atm and 0C8
5243337841Dalton's Law of Partial PressureFor a mixture of gases in a container, the total pressure exerted is the sum of the pressure that each gas would exert if it were alone. Total Pressure = P1 + P2 + P3 + ....Pn9
5243340625Partial PressureThe pressure that a particular gas would exert if it were alone in the container.10
5243345506Mole FractionThe ratio of the number of moles of a given component in a mixture to the total number of moles in the mixture.11
5243350567Kinetic Molecular TheoryA simple model that attempts to explain the properties of an ideal gas.12
5243352482Diffusionterm used to describe the mixing of gases13
5243355100Graham's Law of Effusion(Rate of Effusion for gas 1)/(Rate of effusion for gas 2) = (Square root of the molar mass of gas 2)/(Square root of the molar mass of gas 2)14
5243360212Effusionterm used to describe the passage of gas through a tiny orifice into an evacuated chamber.15
5243364373Real gasA gas that does not follow the ideal gas law.16

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