Answered: C• 2. The reaction, H2O + hv → HO• + H,…

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter6: Energy, Enzymes, And Biological Reactions

Section: Chapter Questions

Problem 3TYK: When two glucose molecules react to form maltose: a. the reaction represents a negative G. b. free...

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1. The most important reactive intermediate of daytime atmospheric chemical phenomena is * A. HO• B. HOO• C. O• D. H3C• 2. The reaction, H2O + hv → HO• + H, represents * A. formation of the hydroxyl radical in the relatively unpolluted troposphere. B. the strong reactivity of the hydroxyl radical C. the formation of hydroxyl radical at higher altitudes D. destruction of the hydroxyl radical at higher altitudes 3. Which of the following reactions does not represent the removal of the hydroxyl radical from the troposphere? A. CO + HO• → CO2 + H B. CH4 + HO• → H3C + H2O C. C. NH4 + HO• → H3 N• + H2O D. a & b 4. The most important basic species in the atmosphere is A. Calcium carbonate B. gas-phase carbon monoxide C. Calcium oxide D. gas-phase ammonia, NH3. 5. The atmosphere is slightly acidic because of A. the presence of a low level of carbon dioxide B. the presence of low levels of ammonia C. the formation of hydrochloric acid by the dissolution of chlorine gas in water D. the existence of a high amount of nitrogen 6. A highly energetic chemical reaction between three oxygen atoms may produce A. ozone molecule B. all C. molecular oxygen and excited oxygen atom D. ozone molecule and oxygen radical 7. At altitudes exceeding above 80 km, the average molecular weight of air is lower than the 28.97 g/mol observed at sea level. Which of the following reasons can be a reason for this fact? A. Atomic oxygen is stable in the upper atmosphere while it forms molecular oxygen in the lower atmosphere B. Gaseous atoms and molecules are heavier in the upper atmosphere than in the lower atmosphere. C. that does not contain oxygen atoms D. All 8. The heterosphere is a layer of the atmosphere A. none B. The air in the upper atmosphere is rarefied C. where excess molecular oxygen exists D. having a uniform molecular weight of air 9. Air pollutants which are emitted directly into the atmosphere from an identifiable source are said to be. A. all B. primary pollutants C. Aerosols D. VOCs

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