1.        In the following reaction, identify 

                a.  the conjugate base of porpanoic acid (CH3CH2COOH)

                b.  the conjugate acid of H2O

                CH3CH2COOH + H2O ↔ CH3CH2COO- + H3O+

2.       What is a greenhouse gas? Describe it and provide two examples. 

3.       Consider the hole in the ozone layer and the phenomenon of global warming. Are they the same thing? Explain and support your answer. 

4.      The reaction equation for: 

                a.  sulfur dioxide is oxidized to sulfur trioxide.

                 b.  sulfur dioxide reacts with hydrogen sulfide to form elemental sulfur and water.

5.       What is particulate matter? What is an aerosol? Are they the same or different? 

6.       What are the health effects of carbon monoxide? What is a source of carbon monoxide? 

7.       What are the health effects of radon gas? What are some sources of radon gases? How can a radon gas problem in a building be alleviated? 

8.       List five types of particulate matter that is found inside homes. 

9.       Pyrite (FeS2) is an impurity in some coals. When the coal is burned, pyrite reacts with oxygen to form sulfur dioxide. 

                a.  Write the balanced equation for the reaction.

                b.  How much sulfur dioxide in grams is formed when 2.0 x 104 kg of coal that is 0.05% by mass pyrite is burned?