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GAS LAWS

Total questions: 35

Worksheet time: 1hrs 8mins

Name
Class
Date
1.
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
2.
How do gas molecules move? 
a)
in an orderly fashion 
b)
constantly and randomly
c)
in straight line paths
d)
in a circular motion
3.
True or False: Gases can be compressed. 
a)
True
b)
False
4.
When Pressure increases then the Volume must...
a)
Increase
b)
decrease
5.
When Volume increases then Pressure must...
a)
Increase
b)
Decrease
6.
What type of relationship to pressure and volume have?
a)
direct
b)
inverse
c)
no relationship
d)
I don't know
7.
Which container will have a lower pressure?
a)
left
b)
right
c)
they both have the same pressure
d)
I don't know
8.
What causes pressure?
a)
The walls of the container
b)
The vacuum in the container
c)
The collisions of the particles
d)
Atmospheric pressure acting on the outside walls
9.
According to Boyle's law of PV, at constant temperature, as the pressure of a given sample of gas is increased, the volume will –
a)
Increase
b)
Decrease
c)
Remains the same
10.
Boyle's PV 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
11.
If a balloon is cooled what will happen to the volume?
a)
Volume will increase
b)
Volume will decrease
c)
Volume will not change
12.
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
13.
Gases have...
a)
A definite shape and volume
b)
A definite shape but no definite volume
c)
No definite shape but a definite volume
d)
No definite shape or volume
14.
A gas of volume V is placed in a balloon.  Determine the new volume of the balloon if the pressure is tripled. The new volume will be ____ what it was originally.  
a)
1/3 of
b)
1/6 of
c)
1/9 of
d)
 9 times
15.
With pressure constant, the temperature of a gas is increased from 30oC to 90oC.  The volume will _____. (Be sure to convert to Kelvin first.)  
a)
 increase by about 20%
b)
 triple
c)
decrease by 1/2 
d)
remain the same
16.
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
17.
A gas of volume V is place in a balloon. The pressure is reduced to 1/5 of the original pressure. The volume will be _____ what it was originally.  
a)
the same as 
b)
1/5
c)
9 times
d)
5 times
18.
If you collect 22.4 L of oxygen (O2) at standard conditions, you will have ____.  
a)
1 mole of gas
b)
6.02 x 1023 molecules of gas
c)
32 g of gas
d)
All of these answers
19.

It is the theory that explains the behavior of gases on an atomic/molecular level.

a)

Kinetic Molecular Theory of Gases

b)

Theory of Liquids

c)

Kinetic Molecular Theory of Matter

d)

Kinestetic Molecular Theory of Plasma

20.

The faster the gas particles move...

a)

the lower the force with which they collide with the walls of their container.

b)

the greater the force with which they collide with the walls of their container.

c)

has no impact on the force with which they collide with the walls of their container.

21.

When the temperature of a gas at constant volume is increased...

a)

the pressure of the gas decreases.

b)

the pressure remains the same.

c)

the pressure of the gas increases.

d)

the pressure can either increase or decrease.

22.

Charle's Law shows that the volume of a gas is....

a)

inversely proportional to its temperature.

b)

directly proportional to its temperature.

c)

unrelated to its temperature

d)

independently related to its temperature.

23.
Determine the Celsius temperature of 2.49 moles of gas contained in a 1.00-L vessel at a pressure of 143 kPa. 
a)
-266 degrees C
b)
-622 degrees C
c)
622 degrees C 
d)
266 degrees C
24.
Determine the number of moles in a container of gas at STP with a volume of 99.2 L. 
a)
2222.08 moles
b)
4.43 moles
c)
22.4 moles 
d)
76.8 moles
25.
If the pressure exerted by a gas at 25 degrees C in a volume of 0.044 L is 3.81 atm, how many moles of gas are present?
a)

.002766 mol

b)
.0069 mol
c)
2.766 mol
d)
9.887 mol
26.
In order to solve gas law calculations, temperature must be measured in:
a)
Fahrenheit
b)
Celsius
c)
Kelvin
d)
It doesn't matter 
27.
Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm.
a)
7.18 L 
b)
7.81 L
c)
4.63 L
d)
4.36 L
28.

If I initially have 4.0 L of a gas at a pressure of 1.1 atm, what will the volume be if I increase the pressure to 3.4 atm?

a)

1.29 L

b)

12.36 L

c)

15.25 L

d)

6.55 L

29.

If I have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 L, what will the new pressure inside the piston be?

a)

1.8 atm

b)

3.27 atm

c)

3.75 atm

d)

3.27 atm

30.

A sample of nitrogen occupies a volume of 250 mL at 25oC. What volume will it occupy at 95oC?

a)

308.70 mL

b)

456.1 mL

c)

48.75mL

d)

55.25mL

31.

Oxygen gas is at a temperature of 40oC when it occupies a volume of 2.3 liters. To what temperature should it be raised to occupy a volume of 6.5 liters?

a)

611.84oC

b)

611.84 K

c)

880.33 K

d)

880.33oC

32.

A rigid plastic container holds 1.00 L methane gas at 0.9 atm pressure when the temperature is 22.0°C. How much more pressure will the gas exert if the temperature is raised to 44.6°C?

a)

0.97 atm

b)

1.82 atm

c)

1.97atm

d)

2.88atm

33.
What does Boyle's law relate to?
a)
Temperature and Volume
b)
Volume and Pressure
c)
Temperature and Pressure
34.
In Charles' Law the pressure remains constant.
a)
True
b)
False
35.
You have a gas that has a pressure of 2 ATM and a volume of 10L.  What would be the new volume if the pressure was changed to 1 ATM?
a)
5 L
b)
20 L
c)
It would stay at 10L
d)
1 L

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