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Combined Gas Law Practice

Total questions: 20

Worksheet time: 19mins

Name
Class
Date
1.

A sample of sulfur dioxide occupies a volume of 652 mL at 313 K and 150 kPa. What volume will the sulfur dioxide occupy at STP?


STP = 273 K, 101.3 kPa

a)

1682.6 mL

b)

20.7 mL

c)

492.3 mL

d)

842.1 mL

2.

As pressure increases, volume decreases. Describe the relationship:

a)

Direct Relationship

b)

Inverse Relationship

c)

No Relationship

3.

As temperature increases, volume increases. Describe the relationship:

a)

Direct Relationship

b)

Inverse Relationship

c)

No Relationship

4.

A quantity of gas has a volume of 250 L, at 290 K and 303.98 kPa of pressure. What volume must the gas be for the gas to be at 273 K and 101.33 kPa?

a)

78.4 L

b)

88.5 L

c)

706 L

d)

771 L

5.

What volume of methane gas at 273 K and 101.33 kPa do you have when the volume is decreased to 0.50 L, with a temperature of 300 K and a pressure of 151.99 kPa.

a)

0.68 L

b)

0.82 L

c)

0.50 L

d)

0.37 L

6.

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

7.

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

8.

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

9.

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

10.

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

11.

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

12.
Gas laws involve what three variables?
a)
Solid Liquid Gas 
b)
Speed Velocity Acceleration 
c)
Elements Compounds Mixtures 
d)
Pressure Temperature Volume 
13.

All of the following are temperature units except ______

a)

atm

b)

Kelvin

c)

Celsius

d)

Farenheit

14.
If 6L of gas at 293K is compressed to 4L, what is the new temperature? 
a)
195K
b)
439.5K
c)
0.082K
d)
12.2K
15.
What is the combined gas law equation?
a)
P1V1/T1=P2V2/T2
b)
P1V1=P2V2
c)
V1T1/V2T2
d)
PV=nRT
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.
How are pressure and volume related?
a)
Directly
b)
Indirectly
c)
They aren't related
18.
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
19.
How do you convert Celsius to Kelvin?
a)
Add 273
b)
Subtract 273
c)
You can't convert those
d)
They are the same thing
20.
What is 50 C in Kelvin?
a)
223
b)
323
c)
100
d)
50