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Chapter 11 Vocabulary: The Behavior of Gases

Avogadro's Hypothesis Equal volumes of gases at the same temperature and pressure contain equal numbers of particles.
Boyle's Law For a fixed mass of gas atconstanttemperature, the volume of the gas varies inversely with pressure.
Charles's Law The volume of a fixed mass of gas is directly proportionalto its Kelvin temperature if the pressure is kept constant.
Combined Gas Law A relationship describing the behaviorof gases that combines Boyle's law, Charles' law, and GayLussac's law.
Dalton's Law of Partial Pressures At constant volume and temperature, the total presure ofa mixture of gases is the sum of the partial pressuresof all the gases present.
Diffusion The tendency of molecules and ions to move toward areas of lower concentration until the concentration is uniform througout the system.
Effusion A process that occurs when a gas escapes through a tiny hole in its container.
Graham's Law of effusion The rate of effusion of a gas is inversely proportional to the squareroot of its formula mass; this relationship is also true for the diffusion of gases.
Ideal Gas Constant A term in the ideal gas law, which has the valuse 8.31 (LxkPa)/(Kxmol)
Ideal Gas Law The relationship PxV=nxRxT, which descrives the behavior of an ideal gas.
Partial Pressure The pressure exerted by each gas in a gaseous mixture.
Created by: KellyBeck