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Q:1 What type of relationship exists between NO2 and O3 between March 14 and March 16?

Q:1 What type of relationship exists between NO2 and O3 between March 14 and March 16?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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subparts 1-3

When fuels are burned in the air, such as in an automobile engines, some of the nitrogen in the air oxidized to form nitrogen oxide gases such as NO and NO2 (known collectively as NO,). The U.S. Environmental Protection Agency (EPA) sets standards for air quality of several pollutants, including NO2. According to the EPA, NO2 levels in U.S. cities are not to exceed a yearly average of 53 ppb (parts per billion) or a 1-hour average of 100 ppb. Another pollutant associated with automobile exhaust is ozone (O3). The EPA standard for ozone is an 8-hour average of 70 ppb. Breathing air with elevated levels of NO2 or O3 can cause asthma and other respiratory problems. The graph below shows the average concentration of NO2 and O3 gases in units of ppb by volume (ppbv) over seven days in a large city. Study the graph and answer the following questions: 50- 45- NO2- O3 40-A 35- 30- 25- 20- 15- 10- 5 3/14 3/15 3/16 3/17 3/18 3/19 3/20 3/21 Date Concentration (ppbv)
Transcribed Image Text:When fuels are burned in the air, such as in an automobile engines, some of the nitrogen in the air oxidized to form nitrogen oxide gases such as NO and NO2 (known collectively as NO,). The U.S. Environmental Protection Agency (EPA) sets standards for air quality of several pollutants, including NO2. According to the EPA, NO2 levels in U.S. cities are not to exceed a yearly average of 53 ppb (parts per billion) or a 1-hour average of 100 ppb. Another pollutant associated with automobile exhaust is ozone (O3). The EPA standard for ozone is an 8-hour average of 70 ppb. Breathing air with elevated levels of NO2 or O3 can cause asthma and other respiratory problems. The graph below shows the average concentration of NO2 and O3 gases in units of ppb by volume (ppbv) over seven days in a large city. Study the graph and answer the following questions: 50- 45- NO2- O3 40-A 35- 30- 25- 20- 15- 10- 5 3/14 3/15 3/16 3/17 3/18 3/19 3/20 3/21 Date Concentration (ppbv)
Q:1 What type of relationship exists between NO2 and O3 between March 14 and March 16? Q2: Calculate the number of moles of NO2 in 1.00 m³ produced on March 14. Assume an average temperature of 25.0°C and a pressure of 1.00 atm. Note that the number of moles of NO2 produced is the difference between the existing amount at the start of the day and the peak amount. Q3: Calculate the number of moles of O3 in 1.00 m³ produced on March 14. Assume an average temperature of 25.0°C and a pressure of 1.00 atm. Note that the number of moles of NO2 produced is the difference between the existing amount at the start of the day and the peak amount.
Transcribed Image Text:Q:1 What type of relationship exists between NO2 and O3 between March 14 and March 16? Q2: Calculate the number of moles of NO2 in 1.00 m³ produced on March 14. Assume an average temperature of 25.0°C and a pressure of 1.00 atm. Note that the number of moles of NO2 produced is the difference between the existing amount at the start of the day and the peak amount. Q3: Calculate the number of moles of O3 in 1.00 m³ produced on March 14. Assume an average temperature of 25.0°C and a pressure of 1.00 atm. Note that the number of moles of NO2 produced is the difference between the existing amount at the start of the day and the peak amount.
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