Combined Gas Law Quiz

196L of air at 1.0atm is compressed to 26.0L. What is the new pressure? Show your work.

• 7.54 atm

• 8.54 atm

• 6.54 atm

• 0.13 atm

If 6L of gas at 293K is compressed to 4L, what is the new temperature? Show your work.

• 195K

• 439.5K

• 0.082K

• 12.2K

If 10L of O₂ at 273K and 1 atm is compressed to a 7L container at 250K, what is the new pressure? Show your work.

• 1.31 atm

• 64.1atm

• 1.56 atm

• 97500 atm

In order to convert to Kelvin, you add ______ to the Celsius measurement.

• 372

• 273

• 237

• 732

Gay-Lussac's law shows the directly proportional relationship between which two variables?

• pressure-temperature

• volume-temperature

• volume-pressure

• temperature-number of moles

What is the correct temperature on the Kelvin scale equal to 30^oC?

• 303K

• 243K

• 313K

• 253K

Using Gay-Lussac's law, if the pressure of a gas starts out at 200kPa and increases to 600kPa, what would the initial temperature be if it ended up at 300K? Show your work.

• 900K

• 200K

• 400K

• 100K

Which of the following statements is true concerning the kinetic molecular theory?

• Collisions between gas particles are elastic and the particles do not attract each other.

• The kinetic energy of a gas is increases with increasing temperature 

• Gases will expand to fill any container. There is a lot of empty space between gas particles.

• All of the above

Compressing a gas makes the pressure _______.

• increase

• decrease

• stay the same

• I don't know

If 200 mL of a gas at 27°C is cooled to -33°C at a constant pressure, the volume will be _________. Show your work.

• 250 mL

• 204 mL

• 196 mL

• 160 mL