Gas Laws Practice Test

Chemistry

Gas Laws Practice Test

1. Calculate the pressure of a gas if 8.04 mol occupies 31.8 L at 35oC.

2. Place the following gases in order of decreasing average molecular speed:

CO2 CO HCl Cl2 H2

3. A gas sample occupies 350. mL at 546 mm Hg. What volume does the gas occupy at

652 mm Hg? Which gas law is used for this problem?

4. 2.50 L of gas originally at 45˚C is warmed to 85˚C. What is the new volume if the

pressure remains constant?

5. A sample of gas occupies a volume of 120.0 mL at a pressure of 0.75 atm and a temperature of

22oC. What will the volume be at a pressure of 1.25 atm and a temperature of 70

oC?

6. A birthday party balloon is filled with 0.045 grams of Helium gas. If the balloon takes up 750.

mL of space and has a pressure of 325 mm Hg, what is the temperature inside the balloon?

Chemistry

Gas Laws Practice Test

1. Calculate the pressure of a gas if 8.04 mol occupies 31.8 L at 35oC.

2. Place the following gases in order of decreasing average molecular speed:

CO2 CO HCl Cl2 H2

3. A gas sample occupies 350. mL at 546 mm Hg. What volume does the gas occupy at

652 mm Hg? Which gas law is used for this problem?

4. 2.50 L of gas originally at 45˚C is warmed to 85˚C. What is the new volume if the

pressure remains constant?

5. A sample of gas occupies a volume of 120.0 mL at a pressure of 0.75 atm and a temperature of

22oC. What will the volume be at a pressure of 1.25 atm and a temperature of 70

oC?

6. A birthday party balloon is filled with 0.045 grams of Helium gas. If the balloon takes up 750.

mL of space and has a pressure of 325 mm Hg, what is the temperature inside the balloon?