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Combined Gas Law Review

Total questions: 20

Worksheet time: 5hrs 46mins

Name
Class
Date
1.

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)

1.29 atm

d)

12.36 atm

2.

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)

1.8 L

d)

3.27 atm

3.

I’ve got a car with an internal volume of 12,000 L. If I drive my car into the river and it implodes, what will be the volume of the gas when the pressure goes from 1.0 atm to 1.4 atm?

a)

8571.43 L

b)

3210.26 L

c)

8669.0 atm

d)

3905.33 atm

4.

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)

308.70oC

d)

456.1oC

5.

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

6.

Hydrogen gas was cooled from 150oC to 50oC. Its new volume is 75 mL. What was its original volume?

a)

98 mL

b)

98 K

c)

98oC

d)

98 L

7.

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)

0.97oC

d)

1.82oC

8.

If a gas sample has a pressure of 30.7 kPa at 0.00°C, by how much does the temperature have to decrease to lower the pressure to 28.4 kPa?

a)

33.89 oC

b)

-20.46 oC

c)

597 oC

d)

-4.25 oC

9.

How do you convert Kelvin to Celsius?

a)

Add 273

b)

Subtract 273

c)

You can't convert those

d)

They are the same thing

10.
Gas laws involve what three variables?
a)
Solid Liquid Gas 
b)
Speed Velocity Acceleration 
c)
Elements Compounds Mixtures 
d)
Pressure Temperature Volume 
11.

All of the following are temperature units except ______

a)

atm

b)

Kelvin

c)

Celsius

d)

Farenheit

12.

Which answer shows the correct Combined Gas Law

a)
b)
c)
d)
13.
What is 50 C in Kelvin?
a)
223
b)
323
c)
100
d)
50
14.

What is STP?

a)

1 Degrees Celsius and 0 ATM

b)

0 Degrees Celsius and 1 ATM

c)

0 Kevin and 10 ATM

d)

273 Celsius and 273 ATM

15.
A gas is heated from 263K to 298K. The volume is increased from 24.0L to 35.0L. If the original pressure was 1.00 atm, what is the new pressure?
a)
0.78 atm
b)
1.65 atm
c)
1.28 atm
d)
0.61 atm
16.

A weather balloon has a volume of 105L at 0.97 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

17.

When the temperature of a gas increases the pressure would...

a)

decrease

b)

increase

c)

stay the same

18.

Does the air pressure increase or decrease at higher altitudes?

a)

increase

b)

decrease

19.

Give the value for standard temperature.

a)

298 K

b)

273 K

c)

0 K

d)

273 oC

20.

Increase P = ________ V

a)

increase

b)

decrease

c)

remain the same