EBK CHEMISTRY
1st Edition
ISBN: 9780133888584
Author: Tro
Publisher: VST
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Chapter 3, Problem 78E
An X-ray photon of wavelength 0.989 nm strikes a surface. The emitted electron has a kinetic energy of 969 eV. What is the binding energy of the electron in kJ/mol? Hint The kinetic energy of the electron is equal to the energy of the photon (hv) minus the binding energy of the electron (Φ):
KE = hv — Φ.
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Q5: Label each chiral carbon in the following molecules as R or S. Make sure the stereocenter
to which each of your R/S assignments belong is perfectly clear to the grader. (8pts)
R
OCH 3
CI H
S
2pts for each R/S
HO
R
H
!!! I
OH
CI
HN
CI
R
H
Calculate the proton and carbon chemical shifts for this structure
A.
B.
b. Now consider the two bicyclic molecules A. and B. Note that A. is a dianion
and B. is a neutral molecule. One of these molecules is a highly reactive
compound first characterized in frozen noble gas matrices, that self-reacts
rapidly at temperatures above liquid nitrogen temperature. The other
compound was isolated at room temperature in the early 1960s, and is a
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Chapter 3 Solutions
EBK CHEMISTRY
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