1) A quantity of gas at a temperature of 18^oC has a volume of 124.5 cm³ at a pressure of
     97.8 KPa.  How many moles of gas are there?  0.005 mol gas

2) At a pressure of 105.2 KPa,  1.42  moles of a gas occupy 1.74 dm³.  What is the
     temperature in Kelvin? 15.51K

3) Hydrogen sulfide occupies 278.2 cm³ at 26^oC and standard pressure.  What is the mass
    of the hydrogen sulfide? 2.9Kg

4) Three and twenty-seven hundredths moles of carbon dioxide are in a vessel of
     undetermined size at 106.3 KPa and 21.8^oC.  What is the volume of the vessel?
     PV=nRT      75.4 dm³

5) A gas at 1.24^oC occupies a 3.51 dm³ container.  If there are 3.34 moles of the gas,
     at what pressure is the gas? PV=nRT     2170 KPa

6) If 1.39 g of carbon monoxide is reacted with oxygen, what volume of carbon dioxide
    is produced at  12.3^oC at 107.4KPa?  1.09 dm³

7) If 14.4 dm³ of ethane is combusted at 102.7^oC and 99.3KPa, how many grams of
    water will be produced?  24.8 g H₂O

8) What volume of C₈H₁₈ is required to fill a 1.4 dm³ airbag with CO₂ if the wrecker truck
     burns octane at STP? (Exhaust fumes are used to fill airbags to upright flipped tractor
     trailers.)  1.76 dm³ C₈H₁₈

9) A scuba diver dives with a tank containing 5L of air.  Twenty-two percent of the air
     is oxygen.  If the diver produces 1.62 mol carbon dioxide for every 2.05 mol of oxygen
     he/she inhales, what is the volume (at STP) of carbon dioxide produced if 4.2 L of air
     are consumed at 202.6 KPa and 14.7^oC?   1.38  dm³ CO₂
                                          

10) If 34.6g of Zn are reacted with an excess of hydrochloric acid at standard pressure,
       what is the temperature of the hydrogen gas produced if it occupies a 2.00 dm³
        container?   92 K