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Review I Constants I Periodic Table The U.S. Environmental Protection Agency (U.S. EPA) monitors air quality in the United States. Lead is among the pollutants regularly monitored and regulated. Lead is released into the atmosphere primarily by the processing of metals ores containing lead and by lead-based battery manufacturing. The effects of too much exposure to lead include neurological damage and cardiovascular disease. Because of the Clean Air Act and its amendments, the amounts of lead in air have been decreasing for many years. The chart below shows the lead concentration in air in the United States from 2000 to 2014. Part D How many lead atoms were in one cubic centimeter of air in 2006? Express the number of lead atoms numerically. View Available Hint(s) (Figure 1) 3.2x108 Pb atoms Previous Answers Submit Answer Requested Although the sample size is small, 1 cm3 = 1 x 10-° m3, and a concentration of 0.11 ug/m3 results in a mass of (1 x 10- m3) x 0.11ug/m3 1.1 x 10ug, since there are 6.022 x 1023 atoms/mol, the total number of atoms is quite large in Figure 1 of 1 comparison. Lead Concentration in Air in U.S. Part E 0.35 If there is 24.1% Pb-206 in any sample of lead, how many Pb-206 atoms were in one cubic centimeter of air in 2011? 0.3 Express the number of lead-206 atoms numerically. 0.25 0.2 | ν ΑΣφ ? 0.15 0.1 0.05 0- 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 Submit Request Answer Year Source: U.S. EPA Air Trends (http://3.epa.gov/airtrends/lead.html) Pb Concentration ug/m

Review I Constants I Periodic Table The U.S. Environmental Protection Agency (U.S. EPA) monitors air quality in the United States. Lead is among the pollutants regularly monitored and regulated. Lead is released into the atmosphere primarily by the processing of metals ores containing lead and by lead-based battery manufacturing. The effects of too much exposure to lead include neurological damage and cardiovascular disease. Because of the Clean Air Act and its amendments, the amounts of lead in air have been decreasing for many years. The chart below shows the lead concentration in air in the United States from 2000 to 2014. Part D How many lead atoms were in one cubic centimeter of air in 2006? Express the number of lead atoms numerically. View Available Hint(s) (Figure 1) 3.2x108 Pb atoms Previous Answers Submit Answer Requested Although the sample size is small, 1 cm3 = 1 x 10-° m3, and a concentration of 0.11 ug/m3 results in a mass of (1 x 10- m3) x 0.11ug/m3 1.1 x 10ug, since there are 6.022 x 1023 atoms/mol, the total number of atoms is quite large in Figure 1 of 1 comparison. Lead Concentration in Air in U.S. Part E 0.35 If there is 24.1% Pb-206 in any sample of lead, how many Pb-206 atoms were in one cubic centimeter of air in 2011? 0.3 Express the number of lead-206 atoms numerically. 0.25 0.2 | ν ΑΣφ ? 0.15 0.1 0.05 0- 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 Submit Request Answer Year Source: U.S. EPA Air Trends (http://3.epa.gov/airtrends/lead.html) Pb Concentration ug/m

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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Review I Constants I Periodic Table The U.S. Environmental Protection Agency (U.S. EPA) monitors air quality in the United States. Lead is among the pollutants regularly monitored and regulated. Lead is released into the atmosphere primarily by the processing of metals ores containing lead and by lead-based battery manufacturing. The effects of too much exposure to lead include neurological damage and cardiovascular disease. Because of the Clean Air Act and its amendments, the amounts of lead in air have been decreasing for many years. The chart below shows the lead concentration in air in the United States from 2000 to 2014. Part D How many lead atoms were in one cubic centimeter of air in 2006? Express the number of lead atoms numerically. View Available Hint(s) (Figure 1) 3.2x108 Pb atoms Previous Answers Submit Answer Requested Although the sample size is small, 1 cm3 = 1 x 10-° m3, and a concentration of 0.11 ug/m3 results in a mass of (1 x 10- m3) x 0.11ug/m3 1.1 x 10ug, since there are 6.022 x 1023 atoms/mol, the total number of atoms is quite large in Figure 1 of 1 comparison. Lead Concentration in Air in U.S. Part E 0.35 If there is 24.1% Pb-206 in any sample of lead, how many Pb-206 atoms were in one cubic centimeter of air in 2011? 0.3 Express the number of lead-206 atoms numerically. 0.25 0.2 | ν ΑΣφ ? 0.15 0.1 0.05 0- 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 Submit Request Answer Year Source: U.S. EPA Air Trends (http://3.epa.gov/airtrends/lead.html) Pb Concentration ug/m
Transcribed Image Text:Review I Constants I Periodic Table The U.S. Environmental Protection Agency (U.S. EPA) monitors air quality in the United States. Lead is among the pollutants regularly monitored and regulated. Lead is released into the atmosphere primarily by the processing of metals ores containing lead and by lead-based battery manufacturing. The effects of too much exposure to lead include neurological damage and cardiovascular disease. Because of the Clean Air Act and its amendments, the amounts of lead in air have been decreasing for many years. The chart below shows the lead concentration in air in the United States from 2000 to 2014. Part D How many lead atoms were in one cubic centimeter of air in 2006? Express the number of lead atoms numerically. View Available Hint(s) (Figure 1) 3.2x108 Pb atoms Previous Answers Submit Answer Requested Although the sample size is small, 1 cm3 = 1 x 10-° m3, and a concentration of 0.11 ug/m3 results in a mass of (1 x 10- m3) x 0.11ug/m3 1.1 x 10ug, since there are 6.022 x 1023 atoms/mol, the total number of atoms is quite large in Figure 1 of 1 comparison. Lead Concentration in Air in U.S. Part E 0.35 If there is 24.1% Pb-206 in any sample of lead, how many Pb-206 atoms were in one cubic centimeter of air in 2011? 0.3 Express the number of lead-206 atoms numerically. 0.25 0.2 | ν ΑΣφ ? 0.15 0.1 0.05 0- 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 Submit Request Answer Year Source: U.S. EPA Air Trends (http://3.epa.gov/airtrends/lead.html) Pb Concentration ug/m
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