Chapter 4 Review

Page 74 and 75 of the textbook 

Questions 1, 3, 4, 5, 6, 8, 11, 14.

1. All of the following statements are false. As you rewrite each statement in your notebook, change one or two words to make it true.

   1. 1. The two reactants of the combustion of gasoline are carbon dioxide gas and water vapour. (4.1) 

      2.  Combustion reactions release energy and are classified as endothermic. (4.1)

      3. The release of excess carbon dioxide gas into the atmosphere is thought to be associated with acid precipitation. (4.1) 

      4. Pollutants released into the atmosphere do not usually bother people with asthma and other medical conditions. (4.1) 

      5. The pH of normal rainwater is 4.0. (4.2) 

      6. Sulfurous acid is associated with global warming (4.1) 

      7. The products of a neutralization reaction are an acid and a base. (4.2) 

      8. A scrubber is a technology that helps reduce the gases associated with global warming. (4.2) 

      9. The brown material flaking off the side of an old car is a fossil fuel. (4.3)

      10. Iron nails can be protected from rusting by dipping them in an acid. (4.4)

      11. Global warming concerns many scientists because many species may not be able to adapt at the rate temperatures are currently changing. 

      12. Acid precipitation includes both dry matter and precipitation.

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3. Use both word and chemical equations to describe how sulfur dioxide gas (SO2(g)) is turned into an acid in the atmosphere. (4.1)

4. List three health problems that may be aggravated by air pollutants. (4.1) 

5. Identify three naturally occurring greenhouse gases. (4.1) 

6. Why do some people take antacid tablets when they have heartburn? (4.2)

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8. How is a combustion reaction similar to the corrosion of iron? (4.3)

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11. Describe the procedure that you could follow to determine if a new coating will prevent the corrosion of a iron nail. (4.4)

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14. Describe the connection between the greenhouse gas carbon dioxide and concerns about global warming. (4.1)