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Chemistry Ch. 10

Gases

TermDefinition
Pressure P = F/A
Atmospheric pressure F = mg
1 Pascal (Pa) 1N/m^2
1 bar 10^5 Pa
1 Newton (kg m)/s^2
1 torr 1 mmhg
1 atm 760 mmhg
Manometer A device used to measure the difference in pressure between atmospheric pressure and that of a gas in a vessel
Boyle's law The volume of a fixed quantity of gas maintained at constant temperature is inversely proportional to the pressure
Equation for Boyle's law V=k(1/P)
Charles's law The volume of a fixed amount of gas maintained at a constant pressure is directly proportional to its absolute temperature
Equation for Charles's law V=kT
Avogadro's law The volume of gas maintained at constant temperature and pressure is directly proportional to the number of moles of the gas
Equation for Avogadro's law V=kn
Ideal gas law PV=nRT
R (l-atm)/(mol-K) 0.082
R (J)/(mol-K) 8.314
STP Standard temperature and pressure. Defined as 0 degrees C and 1.00 atm
Molar volume of an ideal gas at STP The volume occupied by 1 mole of ideal gas at STP; 22.41L
Combined gas law (P1V1)/(T1) = (P2V2)/(T2)
Density of a gas d=(PM)/(RT)
Created by: jabflat