Exam (elaborations)
CHEM 162 Final
- Module
- CAA201 - Test 3.
- Institution
- CAA201 - Test 3.
Exam of 22 pages for the course CAA201 - Test 3. at CAA201 - Test 3. (CHEM 162 Final)
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CHEM 162 FinalBoyle's Law
A principle that describes the relationship between the pressure and volume of a gas at
constant temperature
Charle's Law
the law that states that for a fixed amount of gas at a constant pressure, the volume of
the gas increases as the temperature of the gas increases and the volume of the gas
decreases as the temperature of the gas decreases
Avogadro's law
equal volumes of gases at the same temperature and pressure contain equal numbers
of molecules
Combined Gas Law
the relationship between the pressure, volume, and temperature of a fixed amount of
gas
Ideal Gas Law
the relationship PV=nRT, which describes the behavior of an ideal gas
,P1V1/n1T1=P2V2/n2T2
P2V2/n2T2
Density Gas Law
d=PM/RT
Dalton's Law
The total pressure of a mixture of gases is the sum of the individual pressures
(Ptotal=P1+P2+P3...)
Dalton"s Partial Pressure
pressure exerted by a single gas in a mixture
Root Mean Square Speed of Gasses
Urms=sqrt(3RT/MM)
, Graham's Law of Diffusion and Effusion
rate1/rate2 = sqrt(molar mass2/molar mass1)
heavier particles diffuse slower
Van der Waals equation
-Attempts to address when gases are not at ideal conditions (real gasses)
a: attractive/repulsive forces
b: actual volume of individual gas molecules
Units of Standard Atmospheric Pressure
The standard atmosphere is a unit of pressure defined as 101325 Pa. It is sometimes
used as a reference pressure or standard pressure. It is approximately equal to Earth's
average atmospheric pressure at sea level.
Main 3 assumptions of the Kinetic Molecular Theory of Gasses
?
heat capacity
the amount of heat needed to increase the temperature of an object exactly 1°C
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