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Chapter 1 practice quiz
Terms in this set (20)
Which is the second most abundant gas that you inhale with each breath?
Which statement comparing inhaled and exhaled air is true?
Inhaled air contains more oxygen than exhaled air
Which ranks the gasses in the troposphere in order of increasing concentration?
CO2 <Ar <O2 <N2
In the US as of 2007, air quality standards were set for all of these gasses except
In the US, the national ambient air quality standard for PM10 is 150ug/m3 for a 24-hour period. What does the term PM10 refer to?
Particulate matter with an average diameter less than or equal to 10 micrometers
Which factor helps explain why the concentration of carbon monoxide found indoors can be higher than the concentration found outdoors, even if no one smokes indoors?
Faulty furnaces or space heaters may be emitting carbon monoxide
Which statement about this chemical equation is false? 2NO + O2 --> 2NO2
The number of molecules in the react ants is equal to the number of molecules in the product
Which chemical equation could this represent?
The chemical equation N2 + 2O2 --> 2NO2. Which statement is true about the formation of the pollutant NO2 in the atmosphere?
NO2 forms slowly in the atmosphere from the NO emitted by vehicles
This graph shows the hydrocarbon and ozone concentrations as a function of the time for a major metropolitan area. At what time would you expect the peak concentration of nitrogen monoxide?
Graph. Although NO is not shown, it would be expect to peak with morning traffic, about the same time as the hydrocarbons. When would you expect the peak concentration of NO2?
An hour or so after the NO peak. NO2 is a precursor to NO
Which elements are paired correctly with these chemical symbols? Ca, C, Cl, Co
Calcium, carbon, chlorine, cobalt
In a tropical rainforest, the concentration of water vapor in the atmosphere may reach 50K ppm. What is this value expressed as percent?
In the atmosphere, CO2 is still under .04%, but increasing each year. What is this value in ppm?
Graph shows sources of pollutant SO2 in the US. Which contributes the most?
Coal-fired power plants ("fuel combustion")
Which statement best explains green chemistry?
The design of chemical products and processes that reduce or eliminate the use and generation of hazardous substances
Which equation for the complete combustion of methane is balanced?
Which example is incorrectly paired with its category?
Table salt, element
Which of these numbered are metals?
1, 2, and 3 only
Legislation requires vehicles and industry to completely stop emitting pollutants in order to end air pollution. Which gives best analysis?
This goal is not attainable. Even if all vehicular and industrial sources were to stop polluting, there would be other sources of pollutants
THIS SET IS OFTEN IN FOLDERS WITH...
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