4.0 Points
Feedback:
Good. KMT is discussed in 11.2
Question 6 of 25
`Which sentence below is NOT true about pressure?
A. After creating a pressure difference, the atmospheric pressure can push liquid up a straw.
B. The atmosphere has a pressure as the components of air collide with surfaces.
C. A deep well dug in the ground must have the pump located at the bottom of well in order to have the water come to the
surface.
D. Pressure is caused by gas molecules colliding with surfaces.
E. All of the above statements are true.

4.0 Points
Feedback:
Good. pressure is discussed in 11.3
Question 7 of 25
`We learned about standard temperature and pressure in this lesson (STP). Which of the following reflect the values of
STP?

4.0 Points
Feedback:
Good. STP is discussed in 11.10
Question 8 of 25
`Given the conversion factors and definitions discussed in the lesson, which of the following is equivalent to 2 atm?

6/6/2017
APUS CLE : SCIN131 B007 Spr 17 : Tests & Quizzes
4.0 Points
C. 29.4 psi.
D. 202,650 Pa.
E. all of these choices
Feedback:
Good. Gas law conversions are discussed in section 11.3
Question 9 of 25
`Think back to Lesson one when we talked about density. Now think about it--my kids love balloons, and then are
always laying around the house. Suppose one was laying by the window at night when they went to bed, but the next day, when
the sun came up, it warmed the gas (air) that was in the balloon. What would be true about the density of the air in the balloon?

4/10
4.0 Points
4.0 Points
Feedback:
Good. See KMT in section 11.2
Question 10 of 25
`Suppose I gave you a balloon that contains 7.2 L of gas. If I tell you that originally, the balloon's volume was 1.4 L and
that it contained 2.3 moles of gas, how many moles did I add to it before giving it to you?
A. 12
B. 0.085
C. 4.4
D. 9.5
Feedback:
Good. Avogadro's law is discussed in section 11.7
Question 11 of 25
`I have a pressure cooker in my underground lair that is brewing a diabolical solution. I set everything up and went
upstairs, but forgot to write down the initial temperature. When I came downstairs later to check on it, I see that the pressure

6/6/2017
APUS CLE : SCIN131 B007 Spr 17 : Tests & Quizzes
5/10