With respect to the classroom discussions of spectroscopy, review/calculate/look up/answer each of the following:

  1. Electromagnetic spectrum.
  2. Regions of the spectrum
  3. Photon/quantum
  4. Wave properties: amplitude, intensity, frequency, wave length
  5. Mathematical relationships between energy, frequency, and wavelength.
  6. Wave units.
  7. Definition of wave number
  8. The frequencies corresponding to 400nm and 750nm, respectively
  9. The wave numbers corresponding 400nm and 750nm.
  10. Convert 3000 and 1850 wave numbers of wavelength, expressed in microns (um)
  11. Using CO2, H2O, and CH4 as examples, explain what is meant by stretching and bending modes.
  12. Explain why the symmetric stretching mode for CO2 is infrared inactive and that of water is active.
  13. Cl2 is transparent to infrared but HCl is not. Why?
  14. Summarize the relationship between frequency, force constant for a chemical bond, and mass of that atoms involved.
  15. Compare the C-to-C stretching frequencies for ethane, ethylene, and acetylene; the H-to-X stretching frequencies for H-F, H-Cl, and H-Br.
  16. Which of the following would you expect to be “greenhouse” gases: oxygen, ozone, CF2Cl2?

With respect to Chapter 9, answer the following questions and solve the following problems:

 

Questions: 4, 5, 8, 11, 13, 14, 15, 22, 24, 25, 27.

 

Problems: 1, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 33, 37, 41, 45, 47, 49, 53, 55, 59.