View the step-by-step solution to:


Here is the question:

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And here is the graph to get the area. 

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We will learn that greenhouse gasses cause a reduction in outward radiation over only a small range of wavenumbers (or frequencies or wavelengths).
Suppose that the surface of Earth is at 300K, and so the radiation coming out has the spectrum shown in Column D of the Infrared Emissions
worksheet. But now suppose that there is CO2 in the atmosphere, and the energy in the spectral range from 600 to 800 /cm is not emitted from the
ground, but is emitted from something at a temperature of 240K. (Column G on the spreadsheet).
Hint: You will need to calculate the area under the T=300K (blue) curve all wavelengths except 600-800 /cm. Then you will add that to the area under the
T=240K (orange) curve for wavelengths 600-800 /cm.
Record this in your results section (be sure to explain what results you are reporting, how you got them, and their units )
Discussion Questions
How does this change the total energy going out to space? How does this compare to your hypothesis for this task?
What percent of a reduction is this?

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