Question

Please answer all of the following questions (Not only the first one)!

1)

Determine the scenario that does not depict an elastic collision.
   A.  
A bouncy ball hits the ground and comes back to your hand.
   B.  
Two cars crash into each other and bounce away from each other.
   C.  
A bat hits a baseball.
   D.  
Two cars crash into each other and stick together.

2)

Identify the situation that describes matter in a liquid state.
   A.  
Liquids have a definite shape.
   B.  
Liquid particles move slower than solid particles.
   C.  
Liquid particles have an indefinite volume.
   D.  
Liquid particles are closer together than gaseous particles.

3)

How many atmospheres is the average tire pressure (1,810 mm Hg)?
   A.  
35 atm
   B.  
2.38 atm
   C.  
23.8 atm
   D.  
2.1 atm

4)

How many liters would 50 L at 4 atm occupy at STP?
   A.  
12.4 L
   B.  
200 L
   C.  
20 L
   D.  
46 L

5)

Doubling the initial volume of a tire at constant temperature causes the initial pressure of 10 atm to do what?
   A.  
decrease to 5 atm
   B.  
decrease to 0.5 atm
   C.  
increase to 20 atm
   D.  
increase to 15 atm

6)

Half a mole of hydrogen gas at 15 K has a pressure of 10 kPa and occupies 20 L. What will its pressure be with a volume of 5 L and temperature of 15 K?
   A.  
200 kPa
   B.  
40 kPa
   C.  
100 kPa
   D.  
13.3 kPa

7)

When volume increases and temperature decreases, what happens to pressure if mass stays constant?
   A.  
it remains the same
   B.  
it decreases
   C.  
it increases
   D.  
there is not enough information

8)

When volume increases and temperature decreases, what happens to pressure if mass stays constant?
   A.  
it remains the same
   B.  
it decreases
   C.  
it increases
   D.  
there is not enough information