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Gas Law Vocabulary
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Gravity
Terms in this set (24)
Effusion
A process by which gas particles pass through a tiny opening
Units of Pressure
kPa, Torr, arm, Pa,mmHg
Standard Temperature and Pressure (STP)
This is the agreed-upon standard conditions of exactly 1atm and 0C
Ideal Gas Law
PV=nRT
Combined Gas Law
Relationship between the pressure, volume, and temperature of a fixed amount of gas
Charle's Law
The volume of a fixed mass of gas at constant pressure varies directly with the Kelvin temperature
Combined Gas Law
(P1V1)/T1=(P2V2)/T2
P1V1T2 = P2V2T1
Real Gas
Gas that does not behave completely according to the assumptions of the kinetic-molecular theory
Dalton's Law of Partial Pressures
Law states that the total pressure of a mixture is equal to the sum of the partial pressure of the component gas
Torr
Pressure 1mmHg is now called 1_____ in honor of Torricelli for his invention of the barometer
Barometer
Device used to measure atmospheric pressure
Diffusion
Spontaneous mixing of the particles of 2 substances caused by their random motion
Ideal gas
Imaginary gas that perfectly fits all the assumptions of the kinetic molecular theory
Partial pressure
The pressure of each gas in a mixture
Boyle's law
Volume of a fixed mass of gas varies inversely with pressure at constant pressure
Charles's Law
V1T1=V2/T2
V1T2=V2T1
Elastic Collision
Collision between gas particles and gas particles and container walls in which there is no net loss of kinetic energy
Gay-Lussac's Law
Pressure of a fixed mass of gas at constant volume varies directly with the Kelvin Temperature
Absolute Zero
Temperature of -273.15C given a value of zero in the Kelvin scale
Gay-Lussac's Law
P1/T1=P2/T2
P1T1=P2T2
Gas law
Simple mathematical relationship between the volume, temperature, pressure and quantity of a gas
Ideal gas constant
R=0.0821 L
atm/mol
K
R=62.364 L
mmHg/mol
K
R=8.31L
kPa/mol
R=62.364L
Torr/mol
K
Ideal Gas Law
Mathematical relationship of pressure, volume, temperature, and the number of moles of a gas
Boyle's Law
P1V1=P2V2
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