##### Behavior of Gases
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#### Complete list of Terms and Definitions for Behavior of Gases

Terms Definitions
Graham's law RateA/RateB=√Mb/√Ma
density (p)(mm) / RT
gas laws mathematical relationship between volume, temperature, pressure, and amount of gas
compressability gas particles are crowded close together to decrease the volume
effusion process by which gas particles pass through a small opening
Ideal Gas Law the relationship PV=nRT, which describes the behavior of an ideal gas
The combined Gas Law Describes the relationship between temperature pressure and volume of an enclosed gas.
partial pressure the contribution each gas in a mixture of gases makes to the total pressure
Boyle's Law For a given mass of gas at constant temperature, the volume of the gas varies inversely with pressure.
standard temperature and pressure 1 atm pressure at 0 degrees celsius
law of combining gas volumes The observation that at the same temperature and pressure, volumes of gases combine or decompose in ratios of small whole numbers.
Graham's Law of Effusion States that the rate of effusion of a gas is inversely proportional to the square root of the gas's molar mass.
Ptotal = P1 + P2 + P3 (P1 is partial pressure) dalton's law formula
Gay-Lussac's law P₁/T₁=P₂/T₂
combined gas law P₁V₁/T₁=P₂V₂/T₂
kelvin conversion 273K + ____ celsius
Pascal (Pa) The SI unit for measuring pressure.
Avogadro's principle Statement that at the same temperature and pressure, equal volumes of gases contain equal numbers of particles.
newton force that will increase the speed of one kilogram mass by one meter per second
pressure the force exerted by a gas per unit surface area of an object
Know--Lab Rules Why is it important to keep the lab clean?
standard temperature and pressure (STP) The set of conditions 0.00 degrees Celsius and 1 atmosphere.
How does a basketball under HIGH pressure compare to one under LOW pressure? There are MORE particles of a gas
kiloPascal (kPa) 1000 Pascals.
Ideal Gas Law Equation pv=nrt
as temperature decreases molecules slow down
Ideal Gas Constant has a value of 8.31
atmosphere the pressure required to support 760 mmHg in a mercury barometer at 25 degrees celcius
Charles's Law states that the volume of a fixed mass of gas is directly proportional to its Kelvin temperature if the pressure is kept constant
Volume What is a measure of the size of a body or region in three dimensional space.
Graham's Law Equation rate of gas A/rate of gas B= the square root of mass B/the square root of mass A
Dalton's law of partial pressure states the total pressure of a mixture of gases is equal to the sum of the partial pressure of the component gases.
What does Boyle's law tell us about gas? at constant TEMPERATURE, the volume of gas is INVERSELY related to PRESSURE
Dalton's Law Equation Ptotal=P1+P2+P3...
Torricelli man who created barometer
P1V1=P2V2 (T is constant) Boyle's law formula
DIffusion molecules moving from areas of high concentration to low concentration
boyles law if temp remains constant, drop temp ->