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Gas Law Review

Total questions: 41

Worksheet time: 6mins

Name
Class
Date
1.

If a hairspray can is heated, what can be expected of the pressure of the gas inside the can?

a)

The pressure will increase

b)

The pressure will decrease

c)

The pressure will remain constant

d)

The pressure will equalize

2.
Which of the following would increase the (gas) pressure of a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
3.
What about gases can be measured?
a)
Pressure and Volume
b)
Temperature, Volume, and Pressure
c)
Volume and Temperature
4.

What is the pressure of a car tire that had an initial pressure of 1.8 atm but was heated from 38°C to 123°C?

a)

0.9 atm

b)

2.1 atm

c)

1.6 atm

d)

3.4 atm

5.

Absolute zero is

a)

0 K

b)

where there is no molecular movement

c)

the coldest temperature possible

d)

all of these

6.

Pressure is

a)

defined as the mass that an object exerts when at rest.

b)

not a measurable in gases.

c)

defined as the number of moles of substance divided by the mass of the substance.

d)

created by the force of the gas particles impacting the walls of the container.

7.
Which container will have lower pressure?
a)
left
b)
right
c)
they both have the same pressure
8.

Elastic collision means no ______ energy is lost when molecules collide.

a)

potential

b)

light

c)

nuclear

d)

kinetic

9.
How do gas molecules move? 
a)
in an orderly fashion 
b)
constantly and randomly
c)
in straight line paths
d)
in a circular motion
10.

What describes the motion of a Gas Molecule?

a)

Molecules are far apart

b)

Move in constant, random motion

c)

It will travel in a straight path

d)

All of the above

11.
If the temperature of a gas increase, the pressure...
a)
Decreases
b)
Increases
c)
Does not change
12.

Gas molecules are very small and ________ from one another.

a)

very far

b)

closed

c)

very thin

d)

big

13.

A student measures the pressure and volume of an empty water bottle to be 1.4 atm and 2.3 L. She then decreases the pressure to 0.65 atm. What is the new volume?

a)

2.1 L

b)

5.0 L

c)

8.2 L

d)

3.9 L

14.
In order to convert to Kelvin, you add ______ to the Celsius measurement.
a)
372
b)
273
c)
237
d)
732
15.
What is 50 °C in Kelvin?
a)
223
b)
323
c)
100
d)
50
16.
Charles' Law States...
a)
As Pressure goes up volume goes down
b)
As Pressure goes up temperature goes up
c)
As Volume goes up temperature goes up 
d)
As Pressure goes down volume goes down 
17.

A sample of a gas is at 265 K and a pressure of 0.900 atm. Calculate the final temperature when the pressure is 0.32 atm.

a)

94.22 K

b)

745.31 K

c)

76.32 K

18.
What is standard temperature?
a)
0K
b)
0oC
c)
173 K
d)
173.15 K
19.
Charles' Law States...
a)
As Pressure goes up volume goes down
b)
As Pressure goes up temperature goes up
c)
As Volume goes up temperature goes up 
d)
As Pressure goes down volume goes down 
20.
Boyle's law :  The pressure and volume of a gas show a _____ relationship. 
a)
Inverse 
b)
Direct 
21.

A gas that has a pressure of 2 atm and a volume of 10 L. What would be the new volume if the pressure was changed to 4 atm?

a)

2 L

b)

4 L

c)

8 L

d)

5 L

22.

All of the following are temperature units except ______

a)

atm

b)

Kelvin

c)

Celsius

d)

Farenheit

23.

Temperature units used in Chemistry are _________

a)

C

b)

kPa

c)

F

d)

K

24.
What does Boyle's law relate to?
a)
Temperature and Volume
b)
Volume and Pressure
c)
Temperature and Pressure
25.
True or False: Gases can be compressed. 
a)
True
b)
False
26.
What is the formula for Boyle's Law?
a)
P1V1=P2V2
b)

V1/T1 = V2/T2

c)

P1/T1 = P2/T2

27.
When Pressure increases then the Volume must...
a)
Increase
b)
decrease
28.
Boyle's law : When _______ is held constant, the pressure and volume of a gas are ________  proportional
a)
temperature,  equally
b)
mass, inversely
c)
temperature, inversely
d)
mass, equally
29.
What is the formula Charles' Law?
a)

V1/T1 = V2/T2

b)

P1/T1 = P2/T2

c)

V1 P1 = V2P2

30.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
31.
A gas of volume V is placed in a balloon. The absolute (Kelvin) temperature is tripled. The volume will be _____ what it was originally. 
a)
1/3
b)
1/6
c)
3 times
d)
6 times
32.

As temperature of a gas increases, the average kinetic energy of it molecules

a)

increases

b)

decreases

c)

remains the same

33.

At constant pressure, a sample of gas is heated , the average kinetic energy of its molecules...

a)

decreases, and the volume of the gas increases

b)

decreases, and the volume of the gas decreases

c)

increases, and the volume of the gas decreased

d)

increases, and the volume of the gas increases

34.

A sample of a gas is contained in a closed, rigid container. According to the kinetic molecular theory, what occurs when the gas inside the cylinder is heated?

a)

the number of gas molecules increases

b)

The number of collisions between gas molecules per unit time decreases

c)

The volume of the gas decreases

35.

At constant temperature, which line best shows the relationship between the volume of an ideal gas and its pressure?

a)

A

b)

B

c)

C

d)

D

36.

You forgot to bring your basketball inside after playing a game with your friends. When the sun when down, the temperature dropped & it got cold outside. What do you think happened to the volume of the ball?

a)

Increase

b)

Decrease

37.

Which graph shows the pressure-temperature relationship expected for an ideal gas?

a)

A

b)

B

c)

C

d)

D

38.

At constant pressure, which graph shows the correct relationship between the volume of a gas and its absolute temperature?

a)

A

b)

B

c)

C

d)

D

39.

You go camping & roast marshmallows over a campfire. What happens to the volume of the air bubbles inside the marshmallows?

a)

Increases

b)

Decreases

40.
Directly proportional means that as one value increases ....................
a)
the other stays the same 
b)
the other increases as well
c)
the other decereases
d)
the other goes to zero
41.
The word inverse means.......
a)
the same
b)
opposite 

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