1H 19F has a force constant of 966 N m-1. Calculate the frequency of light corresponding to the lowest energy pure vibrational transition. The mass of 1H = 1.008 amu, the mass of 19F is 18.9984 amu, and 1 amu = 1.661 x 10-27 kg.

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1.  1H 19F has a force constant of 966 N m-1. Calculate the frequency of light corresponding to the lowest energy pure vibrational transition. The mass of 1H = 1.008 amu, the mass of 19F is 18.9984 amu, and 1 amu = 1.661 x 10-27 kg.

 

2. Draw Tryptophan in a peptide bond. Explain all of the bonds using valence bond theory (VBT). Next, explain where VBT fails and how molecular orbital theory is a better description of key regions of this amino acid and the peptide bonds it forms with other residues.

 

3. Below are the molecular orbital diagrams for B2, C2, and N2. Please use it to predict the bond order for B2, B2+ ,B-, C2, C2+, C2 -, N2, N2+, and N2-. Which of these molecules or ions would be paramagnetic?  (The diagram has been attached)

4. What are the shapes of the molecular orbitals described in 3 above?

 

2p
TT
TT
2p
2p
2р 2р 2р
2р 2р 2р
O 25
2s
2s
O25
*
1s
1s
1s
atomic
orbitals
atomic
15
orbitals
molecular orbitals
for B2, C2, and N2
ENERGY
Transcribed Image Text:2p TT TT 2p 2p 2р 2р 2р 2р 2р 2р O 25 2s 2s O25 * 1s 1s 1s atomic orbitals atomic 15 orbitals molecular orbitals for B2, C2, and N2 ENERGY
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