Gas Laws

Which law helps us find the moles of gas in a sample?

• Charles Law

• Boyle's Law

• Combined Gas Law

• Ideal Gas Law

What will happen to the volume of a gas under constant pressure if the temperature increases?

• Decrease

• Explosion!

• Increase

• Nothing

What does the kinetic theory states?

• At the same temperature the object that has the most mass heats quicker.

• Particles won't move if you don't apply energy to it.

• Particles only move in liquids and gases.

• Particles are always in motion.

A sample of oxygen gas in a closed system has a volume of 200 L at 600 K. If the pressure is held constant and the temperature is lowered to 300 K, what will be the new volume of the gas?

• 100 L.

• 200 L.

• 300 L.

• 400 L.

A 2.0 liter container of nitrogen had a pressure of 3.2 atm. What volume would be necessary to decrease the pressure to 1.0 atm?

• 5 L

• 6.4 L

• 6.9 L

• 7.2 L

A sample of carbon dioxide occupies a volume of 3.50 liters at 1.25 atm of pressure. What pressure would the gas exert if the volume was decreased to 2.00 liters?

• 2.19 atm

• 2.22 atm

• 5.67 atm

• 6.54 atm

If 22.5 L of nitrogen at 748 mm Hg are compressed to 725 mm Hg at constant pressure, what is the new volume?

• 21.8 L

• 23.2 mm Hg

• 23.2 L

• 21.8 ^∘C

A 40.0 L tank of ammonia has a pressure of 12.7 kPa. Calculate the volume of the ammonia if its pressure is changed to 8.4 kPa while its temperature remains constant.

• 60.5 L

• 60.5 kPa

• 26.5 L

• 2.67 L

Which gas law allows us to look at how three different properties of a gas change simultaneously?

• Combined Gas Law
• Charles's Law
• Ideal Gas Law
• Boyle's Law

Which gas law allows us to solve for one unknown property of a gas, without changing any properties of the gas?

• Avogadro's Law
• Charles's Law
• Ideal Gas Law
• Combined Gas Law