unit 3 chem107
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what happens to motion at 0 kelvin?
all motion stops
device used to measure atmospheric pressure
0 degrees C
the force per unit area on a surface
convert Celsius to kelvin?
pressure and volume
volume and temperature
gay lussacs law?
pressure and temperature
combined gas law?
pressure, volume and temperature
formula for gas laws?
P1V1/T1 = P2V2/T2
the pressure of each gas in a mixture is called?
the partial pressure of gas
daltons law of partial pressure?
P(T) = P1 +P2 + P3 +P4 +....
what does daltons law of partial pressure state?
that the total pressure of a mixture of gases is equal to the sum of the partial pressures of the component gases
volume directly proportional to the number of gas molecules
v1/n1 = v2/n2
n is calculated in?
ideal gas law formula?
ideal gas law constant- depends on the units used like pressure, volume, etc
temperature in kelvins
R= .0821atmL/mol K
the volume occupied by one mole of a gas at STP is known as?
standard molar volume
3 situations of STP?
O degrees C (273K)
molar mass (g) / 22.4L
the ratio of mass to volume?
ideal gas laws?
no attractions between gas molecules
gas molecules do not take up space
liquids are practically ____
a measure of a liquid's resistance to flow
___ decreases with increased temperature
a measure of the attractive forces exerted among molecules at the surface of a liquid
surface tension results in?
substance added which decreases the surface tension
ex of a surfactant?
liquid molecules are in continuous motion, with their average kinetic energy directly proportional to the kelvin temperature
STOPPED AT TEMP DEPENDENCE OF LIQUID VAPOR PRESSURE
unit 3 chem107
chem107 powerpoint notes chapter 5 unit 3