Know the gas laws. We will have a quick quiz soon .

1. Know the gas laws. We will have a quick quiz soon. If you take your lab journal, put it in the exact same spot/same pile you took it from

2. Gas Law Quick Quiz A solid, strong, metal sphere is filled up with Helium at normal room temperature. The pressure of the sphere reads 19psi. The sphere is then put into a refrigerator. What will happen to the sphere? How do you know what will happen to the sphere? What law is it following?

3. Gas Law Problems #2 • The temperature inside my refrigerator is about 5 ° Celsius. If I place a • balloon in my fridge that initially has a temperature of 25 ° C and a volume of 0.5 liters, • what will be the volume of the balloon when it is fully cooled by my refrigerator? • A man heats a balloon in the oven. If the balloon initially has a volume of 0.40 liters • and a temperature of 20. ° C, what will the volume of the balloon be after he heats it to a • temperature of 35 ° C? • On hot days, you may have noticed that potato chip bags seem to “inflate”, • even though they have not been opened. If I have a 250 mL bag at a • temperature of 50. °F, and I leave it in my car which has a temperature of 100. ° F, • what will the new volume of the bag be?   • 4. 1.00 L of a gas at standard temperature and pressure is compressed to 473 mL. What is the new pressure of the gas? • 5. In a thermonuclear device, the pressure of 0.050 liters of gas within the bomb casing reaches 4.0 x 106 atm. When the bomb casing is destroyed by the explosion, the gas is released into the atmosphere where it reaches a pressure of 1.00 atm. What is the volume of the gas after the explosion? • Synthetic diamonds can be manufactured at pressures of 6.00 x 104 atm. If we took 2.00 liters of gas at 1.00 atm and compressed it to a pressure of 6.00 x 104atm, what would the volume of that gas be? • Make up your own gas law problem and solve it

4. Ideal Gas Law Practice 8. A 7.50 liter sealed jar at 18 °C contains 0.125 moles of oxygen and 0.125 moles of nitrogen gas. What is the pressure in the container? 9. At 17 °C, a 0.80 mole sample of a gas exerts a pressure of 1.2 atmospheres. What is the volume of the container? 10. At what temperature (in Kelvin) would 4.0 moles of hydrogen gas in a 100 liter container exert a pressure of 1.00 atmospheres • 5. In a thermonuclear device, the pressure of 0.050 liters of gas within the bomb casing reaches 4.0 x 106 atm. When the bomb casing is destroyed by the explosion, the gas is released into the atmosphere where it reaches a pressure of 1.00 atm. What is the volume of the gas after the explosion? • Synthetic diamonds can be manufactured at pressures of 6.00 x 104 atm. If we took 2.00 liters of gas at 1.00 atm and compressed it to a pressure of 6.00 x 104atm, what would the volume of that gas be? • Make up your own gas law problem and solve it