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Gas Law - Period 1

Total questions: 22

Worksheet time: 1hrs 6mins

Name
Class
Date
1.

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

2.

A student inflates a balloon with helium then places it in the freezer. The student should expect

a)

the balloon's volume to increase

b)

the balloon's volume to decrease

c)

the balloon's moles to increase

d)

the balloon's moles to decrease

3.

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)

2.3 atm

c)

1.6 atm

d)

3.4 atm

4.

Three gases are mixed together in a container with a total pressure of 4.8 atm. If two of the gases have pressures of 1.2 atm and 1.5 atm, what is the pressure of the third gas?

a)

2.5 atm

b)

1.8 atm

c)

2.1 atm

d)

1.3 atm

5.

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

6.
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
7.
In order to convert to Kelvin, you add ______ to the Celsius measurement.
a)
372
b)
273
c)
237
d)
732
8.
What is 50 °C in Kelvin?
a)
223
b)
323
c)
100
d)
50
9.
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 
10.
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
11.
Gases __________.
a)
have a fixed shape
b)
are easily compressed
c)
have particles that do not flow easily
d)
have a definite volume
12.

A sample of gas at 3 mm Hg inside a steel tank is cooled from 500 °C to 0 ºC . What is the final pressure in atm of the gas in the steel tank?

a)

.0113 atm

b)

1.060 atm

c)

.4352 atm

d)

.0014 atm

13.
The following graph shows ____ relationship. 
a)
Direct
b)
Inverse
14.
Boyle's law :  The pressure and volume of a gas show a _____ relationship. 
a)
Inverse 
b)
Direct 
15.
Temperature describes  the ______________ of particles.
a)
volume
b)
mass
c)
motion
d)
conductivity
16.
A balloon of Argon gas has a volume of 150. mL when its pressure is 0.647 atm. What will the pressure of the gas be at a volume of 98.3 mL if the temperature remains constant?
a)
0.987 atm
b)
1.53 atm
c)
2.36 atm
d)
97.1 atm
17.
measures average kinetic energy (energy from motion)
a)
temperature
b)
volume
c)
pressure
d)
moles
18.
All of the following statements are TRUE about the behavior of gases according to the Kinetic Molecular Theory EXCEPT:
a)
Gases have elastic collisions
b)
Gases do not attract or repel
c)
Gases are in constant random motion
d)
Gases stick to the sides of the container and to each other
19.

What state of matter is pictured?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

20.
At 17 °C, a 0.80 mole sample of a gas exerts a pressure of 1.2 atmospheres. What is the volume of the container?
a)
22.9 Liters
b)
2355 Liters
c)
0.0630 Liters
d)
15.9 Liters
21.

What are you going to miss about Chemistry class?

4 lines
22.

Tell me what you learned in chemistry that is going to be useful for next school year.

4 lines