Chem 3.jpg - 5 Ultraviolet radiation is considered to be damaging because(2 points a The chemical bonds in ozone are relatively weak b The chemical

Chem 3.jpg - 5 Ultraviolet radiation is considered to be...

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Unformatted text preview: 5. Ultraviolet radiation is considered to be damaging because (2 points) a. The chemical bonds in ozone are relatively weak b. The chemical bonds in oxygen are relatively weak [c.) UV radiation is energetic to break bonds in molecules. -2 It converts ozone into oxygen 6. Which reaction takes place in the catalytic converter of an automobile? (2 points) conversion of C and Oz to CO2 OP conversion of NO to N2 and Oz conversion of COz to CO conversion of SO, to S and Oz yTo Cenv 7. Which of the following is true for a certain electromagnetic radiation with a wavelength of 6.5 x 10 3 m? Show calculations to receive credit (3 points) a. v = 2.2 x 10"1 /s E=hv Canx -frequ `b. A=4.6 x 10 m wave -2 CE = 4.3 x 10-36j d E = 3.0 x 10-231 C = 3x 108 8. A certain brand of skin moisturizer advertises that it contains SPF 15 Sunscreen that protects from UV-A and UV-B rays. Why isn't UV-C mentioned in its product claims? (2 points) a. UV-C radiation is not absorbed by ozone, so it has no connection to the story of increased exposure to UV rays or ozone depletion. b. UV-C radiation is not as dangerous as is UV-A or UV-B radiation, so whether or not we are shielded from it doesn't matter. c UV-C radiation is extremely dangerous, but it is completely absorbed in the upper atmosphere by oxygen, Oz as well as ozone, O3- d. No protection is necessary. UV-C radiation is a natural part of the sun's electromagnetic spectrum. Therefore, it has the same potential for harm as visible light. 9. Classify each of the following as an allotrope, an isotope, a free radical, or none of those (1 point each) a. H' and Cl" free radicals b. Oz and O3 auotrope c. "216.X and "gX d. " X and " x _Icombge...
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  • Fall '07
  • Babilli
  • Ultraviolet, UV radiation, 10 m, 10 3 m, 36J, UV-C

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