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Ch.18 - Chemistry of the Environment
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All textbooksBrown 14th EditionCh.18 - Chemistry of the EnvironmentProblem 11a

Chapter 18, Problem 11a

(a) What is the primary basis for the division of the atmosphere into different regions?

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Hey everyone were as true or false. Temperature profile is the main basis for the division into the different regions of the atmosphere. First let's go ahead and name the different regions of the atmosphere and we can go ahead and assess whether the statement is true or false. So first we have our troposphere And this is going to be at 0-12 km and this is at 15 Kelvin. Next we have our stratosphere And this is going to be at 12-50 km and this is at 275 Kelvin. Next we have our mesosphere And this is going to be at 50 to 85 km And this will be at 185 Calvin. Next we have our thermos fear And this is at 85, two, km And its temperature profile is at Kelvin. So looking at our different regions, we can see that the main basis for the division is in fact our temperature profiles. So our statement here is going to be true. Now, I hope this made sense. And let us know if you have any questions
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Textbook Question

You are working with an artist who has been commissioned to make a sculpture for a big city in the eastern United States. The artist is wondering what material to use to make her sculpture because she has heard that acid rain in the eastern United States might destroy it over time. You take samples of granite, marble, bronze, and other materials, and place them outdoors for a long time in the big city. You periodically examine the appearance and measure the mass of the samples. (a) What observations would lead you to conclude that one or more of the materials are well- suited for the sculpture?

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Textbook Question

You are working with an artist who has been commissioned to make a sculpture for a big city in the eastern United States. The artist is wondering what material to use to make her sculpture because she has heard that acid rain in the eastern United States might destroy it over time. You take samples of granite, marble, bronze, and other materials, and place them outdoors for a long time in the big city. You periodically examine the appearance and measure the mass of the samples. (b) What chemical process (or processes) is (are) the most likely responsible for any observed changes in the materials? [Section 18.2]

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Where does the energy come from to evaporate the esti- mated 425,000 km3 of water that annually leaves the oceans, as illustrated here? [Section 18.3]

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Textbook Question

(a) How are the boundaries between the regions of the atmosphere determined?

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Textbook Question

(b) Explain why the stratosphere, which is about 35 km thick, has a smaller total mass than the troposphere, which is about 12 km thick.

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Air pollution in the Mexico City metropolitan area is among the worst in the world. The concentration of ozone in Mexico City has been measured at 441 ppb (0.441 ppm). Mexico City sits at an altitude of 7400 feet, which means its atmospheric pressure is only 0.67 atm. (a) Calculate the partial pressure of ozone at 441 ppb if the atmospheric pressure is 0.67 atm.

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