Sea of Air #3

 

1. The region of the earth's atmosphere within 10 to 12 km of the surface is called the ____________.

 

2. TRUE or FALSE: The chemical composition of the atmosphere is quite uniform, from bottom to top.

 

3. What gases are the two major components of the earth's atmosphere?

 

 

4. Tell the molar volume of any gas at STP.

 

 

5. Give values for STP.

 

 

6. State Avogadro's Law.

 

 

7. The pressure unit called the Pascal is defined as the ratio of what two other metric units?

 

 

8. Why are barometers filled with mercury instead of water? (After all, mercury is expensive and toxic.)

 

 

9. State Boyle's Law two ways.

 

 

10. The Kinetis-Molecular theory (page 366-) states that...

 

(a) Gases consist of ________ particles.

 

(b) These particles have ___________ size compared to the distance between them.

 

(c) Gases are in __________ motion.

 

(d) Gas pressure is the result of ___________ collisions with the container ____________.

 

(e) Molecular collsions are ___________, meaning there is no net loss of ___________ from these collisions.

 

(f) At a given temperature the average ____________ _________ of the molecules is ___________.

 

(g) As the temperature of a gas increases, so does the average ____________ and _________ ____________ of the molecules.


Questions? Comments??
Robert Clark