Chemistry 2710 Spring 2000 Practice Problems: Answers and hints

1. 1. The vibrational spacing is constant and equal to . The frequency is .
   2. with .
2. Assuming that room temperature is about ,

   

   This number is really, really tiny, even for several moles of material. Accordingly, we don't expect any tryptophan molecules to be in the higher electronic energy level at room temperature.