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14 terms

Chemistry Gas Laws

Chapter 14
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Boyle's Law
P₁V₁ = P₂V₂
Charles' Law
V₁ = V₂
T₁ T₂
Gay-Lussac's Law
P₁ = P₂
T₁ T₂
Combined Gas Law
P₁V₁ = P₂V₂
T₁ T₂
Ideal Gas Law
PV = nRT
Dalton's Law of Partial Pressure
Ptotal = P₁+P₂+P₃...
Graham's law of diffusion and effusion
Rate A = √molar mass B
Rate B √molar mass A
Boyle's law deff
At constant temperature the pressure of a gas is inversely proportional to its volume.
Charles' law deff
At a constant pressure, the volume of a gas is directly proportional to its kelvin temperature.
Guy-Lussac's Law deff
at constant volume the pressure of a gas is directly proportional to its kelvin temperature.
Combined Gas Law deff
combines the laws of Boyle, Charles and Gay-Lussac; only the amount of gas is held constant.
Ideal gas law deff
an "ideal" gas would follow all of the assumptions of the Kinetic theory of gases perfectly (ideally). Real gases do not obey all of these assumptions perfectly, but many gases act very close to ideal.
Dalton's Law of Partial Pressure deff
at constant temperature and volume the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of the gases in the mixture.
Graham's law of diffusion and effusion deff
the tendency of molecules to move toward areas of lower concentration until the concentration is equal throughout is called diffusion.