CH 390 Chapter 1 Part 1 Study Guide.pdf - CH 390...

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CH 390 Chapter 1 Part 1 Study Guide Dr. Barth Dr. Siler Chapter 1: Part 1Ozone and light in the atmosphere To do: Read Sections 1.1-1.7 Work through Lecture 1: Ozone and the Atmosphere Questions to answer while studying: 1. What are the main components of the earth’s atmosphere?2. What are the regions of the atmosphere? How are these regions defined? Is the altitude at which one region ends and another begins fixed or variable? Sketch (roughly) the temperature profile of the lower atmosphere, and indicate where each region begins and ends. (FYI, the region above the stratosphere is called the mesosphere). 3. In which region of the atmosphere is the concentration of ozone the highest? Is the concentration of ozone globally uniform throughout this region? 4. What is the difference between absolute concentration of a gas and relative concentration of a gas? 5. Why is molarity rarely used when describing the absolute concentration of a gas? 6. How do you convert from mole fraction to ppm or ppb?

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