# chemistry 1150 chapter 5

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1. you can do it!
2. Combined gas law
(P1V1)/(n1T1) = (P2V2)/(n2T2)
3. boyle's law
V=1/P
4. charles's law
V/T
5. amontons's law
P/T
6. Ideal gas law
PV=nRT or V={nRT}/{P}
7. The density of a gas is --------- proportional to its molar mass.
directly
8. The density of a gas is ------------- proportional to the temperature
inversely
9. Gases mix ------------- in any proportions.Each gas in a mixture behaves as if--------------
• homogeneously
• it were the only gas present.
10. Dalton’s Law of Partial Pressures
Ptotal = P1 + P2 + P3 +
11. Postulates of the Kinetic-Molecular Theory
Postulate 1: Particle Volume
• Because the volume of an individual gas particle is so small compared to the volume of
• its container, the gas particles are considered to
• have mass, but no volume.
12. Postulates of the Kinetic-Molecular Theory
Postulate 2: Particle Motion
• Gas particles are in constant, random, straight-line motion except when they collide with each
• other or with the container walls.
13. Postulates of the Kinetic-Molecular Theory
Postulate 3: Particle Collisions
Collisions are elastic therefore the total kinetic energy (Ek) of the particles is constant.
14. If you double the temperature, what happens to the volume?
A = It doubles
15. Graham’s Law of Effusion
The rate of effusion of a gas is inversely related to the square root of its molar mass

1/sqrt{M}
16. atm for
1 Atmosphere
2 millimeters of mercury
3 torr
4 pounds per square inch
5 Bar
• 1) 1atm
• 2) 760 mm Hg
• 3) 760 torr
• 4) 14.7 lb/sq in
• 5) 1.01325 bar
 Author: zzto ID: 146522 Card Set: chemistry 1150 chapter 5 Updated: 2012-04-23 17:23:22 Tags: chemistry 1150 chapter Folders: Description: chemistry 1150 chapter 5 facts Show Answers: