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chapter 14 vocab
final vocab
12
Chemistry
11th Grade
05/19/2009

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Term
compressibility
Definition
a measure of how much the volume of matter decreases under pressure
Term
Boyle's law
Definition
state that for a given mass of gas at constant temp, the volume of the gas varies inversely with pressure
Term
Charles's law
Definition
the volume of a fixed mass of gas is directly proportional to its Kelvin temp of the pressure is kept constant
Term
Gay-Lussac's law
Definition
the pressure of a gas is directly proportional to the Kelvin temp if the volume remains constant
Term
combined gas law
Definition
law that describes the relationship among the pressure temp and volume of an enclosed gas
Term
ideal gas constant
Definition
constant in the ideal gas haw with the symbol R and the value 8.31 (L x kPa)(K x mol)
Term
ideal gas law
Definition
the relationship PV=nRT which describes the behavior of an ideal gas
Term
partial pressure
Definition
contribution each gas in a mixutre makes to the total pressure
Term
Dalton's law of partial pressure
Definition
at constant volume and temp, the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of the component gases
Term
diffusion
Definition
the tendency of molecules to move toward ares of lower concentration until the concentration is uniform throughout
Term
effusion
Definition
the process that occurs when a gas escapes through a tiny hole in its container
Term
Graham's law of effusion
Definition
the rate of effusion of a gas is inversely proportional to the square root of the gas's molar mass
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