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Gas Laws Review

Total questions: 14

Worksheet time: 28mins

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.

Consider a sample of oxygen gas at 27.0° C with a volume of 9.55L at a pressure if 2.97 atm. The pressure is changed to 8.25 atm and the gas is heated to 125° C. What is the new volume?

a)

4.56 L

b)

4.6 L

c)

15.9 L

d)

16 L

3.

A weather balloon has a volume of 105L at 0.970 atm when the temperature is 318K. What is the volume at 293K and 1.05 atm?

a)

89.4 L

b)

0.32 L

c)

93.8 L

d)

3.13 L

4.

A sample of nitrogen gas has a volume of 600mL at a pressure of 1 atm. What volume will the gas occupy at a pressure of 3 atm, assuming the temperature remains constant?

a)

125mL

b)

300mL

c)

200mL

d)

400mL

5.

If a gas at 25.0°C occupies 3.60 liters at a pressure of 1.00 atm, what will be its volume at a pressure of 2.50 atm?

a)

1.5L

b)

45 L

c)

1.44L

d)

27.4L

6.

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

7.

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

8.
When Volume increases then Pressure must...
a)
Increase
b)
Decrease
9.

All molecules at the same temperature have the same average kinetic energy.

a)

True

b)

False

10.

A sample of gas is in a flexible container at room temperature. What happens to the pressure as volume increases?

a)

pressure stays the same

b)

pressure decreases

c)

pressure increases

11.

What is the pressure exerted by 5.00 moles of nitrogen gas contained in a 30.0 Liter container at 25.0 °C?

a)

3670 atm

b)

0.245 atm

c)

4.08 atm

d)

605 atm

12.
If I have 4 moles of a gas at a pressure of 5.6 atm and a volume of 12 liters, what is the temperature?
a)
204 K
b)
200 K
c)
2046 K
d)
2000 K
13.

Determine the temperature required for 0.0470 moles of gas to fill a balloon to 1.20 L under 0.998 atm pressure.

a)

0 K

b)

107 K

c)

207 K

d)

307 K

14.

Each of the flasks shown above contain the same number of gas molecules. In which flask would the pressure be lowest?

a)

Flask 1

b)

Flask 2

c)

Flask 3

d)

Flask 4