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2.3 Test Prep
Test Description: Gas Laws Basics
Instructions: Answer all questions to get your test result.
1) TRUE OR FALSE. You drove continuously from Beaver Dam to Daytona Beach Florida and you observed that the pressure in your tires increased. This is because the tires' temperatures increased due to the friction caused by the road.
A
False
B
True
2) TRUE or FALSE. According to Charles' Law, if you have a balloon inside a car at noon during a hot summer day the balloon molecules inside will increase in pressure.
A
True
B
False
3) Gas pressure is caused by
A
Gas molecules reacting with other gas molecules
B
Gas molecules heating up
C
Gas molecules hitting other gas molecules
D
Gas molecules hitting the walls of a container
4) How does the pressure of a container change as the volume is changed?
A
As volume increases, pressure increases.
B
As volume increases, pressure increases as well.
C
As volume increases, pressure decreases.
D
As volume decreases, pressure decreases as well.
5) If a gas is cooled, how does the volume change?
A
The volume should stay the same.
B
The volume of the gas increases.
C
The volume of the gas decreases.
D
The volume will decrease slightly, then increase.
6) Which gas law explains why a balloon pops if it is sat on?
A
Boyle's Law
B
Charles' Law
C
Avogadro's Law
7) If we increase the temperature of a gas, what will happen to the speed of the particles?
A
The speed of the particles will not change
B
The speed of the particles will increase
C
It will vary depending on the substance
D
The speed of the particles will decrease
8) f we increase the temperature of a gas, what will happen to the spacing of the particles?
A
The spacing of the particles will decrease
B
The spacing of the particles will stay the same
C
The spacing of the particles will increase
D
It will vary depending on the substance
9) If we increase the temperature of a gas, what will happen to the volume of the gas?
A
It will vary depending on the substance
B
The volume of the gas will decrease
C
The volume of the gas will stay the same
D
The volume of the gas will increase
10) If we increase the temperature of a gas, what will happen to the number of collisions the particles have with the container walls?
A
It will remain constant
B
The number of collisions the particles will have with the container walls will decrease
C
The number of collisions the particles will have with the container walls will increase
D
It will vary depending on the substance
11) If we increase the volume of the container a gas is in, what will happen to the spacing of the particles?
A
The particles will spread out
B
The particles will move closer together
C
It will remain constant
D
Spacing will vary depending on the substance
12) If we increase the volume of the container a gas is in, what will happen to the pressure the particles exert on the walls of the container?
A
It will vary depending on the substance
B
The pressure the gas exerts on the walls of the container will decrease
C
The pressure the gas exerts on the walls of the container will increase
D
It will remain constant
13) When the volume of a gas is decreased, what happens to the pressure it exerts?
A
It remains constant
B
It increases
C
It decreases
D
It will vary depending on the substance
14) Which of the following explains why a hot air balloon inflates when it is heated?
A
The increased temperature causes the gases to spread out and inflate the balloon.
B
The flame lowers the gas pressure inside by heating up the air, causing it to inflate.
C
The flame forces more gas particles into the balloon, causing it to inflate.
D
The balloon lets the cool air out through the bottom, where it is circulated by the flame.
15) TRUE or FALSE: A good example of Charles Law is when a piece of metal expands in the heat
A
True
B
False
*select an answer for all questions
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