Combined Gas Law Practice

The pressure on 20 milliliters of gas at constant temperature is changed from 4 atmospheres to 2 atmospheres. the new volume of the gas is (Boyles Law)

• 5ml

• 40ml

• 10ml

• 80ml

• 18.0 L

• 2.00 L

• 3.00 L

• 12.0 L

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? Boyles Law

• 2.1 L

• 5.0 L

• 8.2 L

• 3.9 L

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? (Gay-Lussacs Law)

• 0.9 atm

• 2.1 atm

• 1.6 atm

• 3.4 atm

A sample of gas with a volume of 30.0 mL at 25.0^oC is heated to 50.0^oC. What is the new volume of the gas? (Charles Law)

• 60.0 mL

• 15.0 mL

• 27.5 mL

• 32.5 mL

Match the following units to their names.

• mmHg

• Volume

• K

• Moles

• L

• Pressure

• atm

• Pressure

• mol

• Temperature

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? (Boyles Law)

• 2.1 L

• 5.0 L

• 8.2 L

• 3.9 L

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? (Boyles Law)

• 1.29 L

• 12.36 L

• 1.29 atm

• 12.36 atm

At constant pressure and 25.0 degrees Celsius, a sample of gas occupies 4.50 L. At what new temperature will the gas occupy 9.00 L?(Charles Law)

• 596 K

• 50.0 K

• 50.0 Degree Celcius

• 596 Degree Celcius

A 249 kPa sample of nitrogen is heated from 86.0^o Celsius to 107^o Celsius. What pressure will the sample have at the higher temperature? (Gay-Lussacs Law)

• 264 kPa

• 309 kPa

• 842 kPa

• 824 kPa