1. Marker Board Review THIS SHOULD BE COMPLETED ON NOTEBOOK PAPER AND TURNED IN!

2. Show all work, including formulas!  Air trapped in a cylinder fitted with a piston occupies 147.5 mL at 1.08 atm pressure. What is the new volume of air when the pressure is increased to 1.43 atm by compressing the piston?  Which Gas Law are you using to complete this problem?

3. Show all work, including formulas!  If a gas sample has a pressure of 30.7 kPa at 0.00  C, by how much does the temperature have to decrease to lower the pressure to 28.4 kPa?  Which Gas Law are you using to complete this problem?

4. Show all work, including formulas!  An evacuated 4.00 L vessel has a pressure of 0.980 atm. If 0.500 L of oxygen gas are placed in the vessel, what is the new pressure of the gas in the cylinder?  Which Gas Law are you using?

5. Show all work, including formulas!  A gas sample at 79°C occupies a volume of 1.3L. At what Celsius temperature will it occupy 1.9L?  Which Gas Law are you using?

6. Show all work, including formulas!  If a gas has a pressure of 187 kPa when the temperature is 28.0°C, what will its pressure be if the temperature increases to 35°C?  Which Gas Law are you using?

7. Show all work, including formulas!  If a gas has a pressure of 187 kPa when the temperature is 28.0°C, what will its pressure be if the temperature increases to 35°C?  Which Gas Law are you using?

8. Show all work, including formulas!  Use the equation below to answer the following questions:  _____N 2 + ______H 2  ______ NH 3  Balance the equation  What is the volume ratio of hydrogen gas to ammonia gas in the balanced equation?  How many moles of ammonia gas can be formed from 14.8L hydrogen gas at 345K and a pressure of 110.8 kPa?