1. Avogadro’s Law
A balloon with 3 moles of a gas has a volume of 2L. How many moles are needed for a volume of 5.5L?
A balloon with 4 moles of a gas has a volume of 4L. What is the volume of 6.8 moles?
A balloon with 6.2 moles of gas has a volume of 13L. If 1.7 moles is let out, what is the new volume?
8.25 moles
6.8 L
9.4 L

2. Boyle’s Law
A tank has a volume of 250 L with a pressure of 5 atm. If a larger tank is built at 350 L, what should the pressure be?
A balloon is at 14.7 psi and has a volume of 2L. What is the volume when the pressure is at 3 psi?
The pressure inside a vessel is 130 kPa, what was the volume if the vessel is 35 L at 150 kPa?
3.6 atm
9.8 L
40.4 L

3. Charles’ Law
The temperature inside a tank is 40 °C. The tank has a volume of 15L when the temperature is 60 °C. What was the initial volume?
A vessel has a volume of 35 L at 75 °C. What is the temperature when the tank is at 45 L?
A tank has a volume of 45 L at 150 K. What is the volume at 300 K?
14 L
447 K or 174 °C
90 L

4. Gay-Lussac’s Law
The pressure inside a tank is 750 torr at 45 °C. What is the pressure at 100 °C?
The pressure inside a tank is 140 kPa at 200 K. What is the temperature when the pressure is 100 kPa?
What is the temperature of a tank at 3 atm if it started at STP?
880 torr
143 K
819 K or 546 °C

5. Combined Gas Law
A balloon has a volume of 22.4 L at STP. What is it’s volume at .5 atm and 250 K?
A vessel has a volume of 15 L at 2 atm and 300 K. What is the pressure if the volume is 10 L at 350 K?
A balloon has a volume of 12 L at STP. What is it’s temperature if the volume is 20 L at 2 atm?
41 L
3.5 atm
910 K

6. Ideal Gas Law (R = 0.082 atm*L/mol*K)
What is the volume of 3 moles of gas at 2 atm and 300 K?
What is the temperature of 2.5 moles of gas at 1.5 atm and 34 L?
How many moles are in 15 L of a gas at 3.5 atm and 300 °C?
37 L
249 K
1.1 moles

7. Pressure Conversions Convert the following pressures: 1.5 atm to kPa
1350 torr to psi
150 kPa to mmHg
33 psi to atm
152 kPa
26.1 psi
1125 mmHg
2.24 atm

8. Temperature Conversions
Convert the following temperatures:
150 °C to K
150 K to °C
-200 °C to K
423 K
-123 °C
73 K