EBK A SMALL SCALE APPROACH TO ORGANIC L
4th Edition
ISBN: 9781305446021
Author: Lampman
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 15, Problem 3Q
Interpretation Introduction
Interpretation:
The effect of the increase in the relative concentration of acetone in the developing solvent needs to be explained on the values of the pigments.
Concept Introduction:
Chromatography is a methodused for separation of the components of the mixture. This is based on the relative amounts of each solute movingbetween a moving phase, known as the mobile phase, and a stationary phase.
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20. The Brusselator. This hypothetical system was first proposed by a group work-
ing in Brussels [see Prigogine and Lefever (1968)] in connection with spatially
nonuniform chemical patterns. Because certain steps involve trimolecular reac
tions, it is not a model of any real chemical system but rather a prototype that
has been studied extensively. The reaction steps are
A-X.
B+X-Y+D.
2X+ Y-3X,
X-E.
305
It is assumed that concentrations of A, B, D, and E are kept artificially con
stant so that only X and Y vary with time.
(a) Show that if all rate constants are chosen appropriately, the equations de
scribing a Brusselator are:
dt
A-(B+ 1)x + x²y,
dy
=Bx-x²y.
di
Problem 3. Provide a mechanism for the following transformation:
H₂SO A
Me.
Me
Me
Me
Me
You are trying to decide if there is a single reagent you can add that will make the following synthesis possible without any other major side products:
xi
1. ☑
2. H₂O
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i
Draw the missing reagent X you think will make this synthesis work in the drawing area below.
If there is no reagent that will make your desired product in good yield or without complications, just check the box under the drawing area and leave it blank.
Click and drag to start drawing a
structure.
There is no reagent that will make this synthesis work without complications.
: ☐
S
☐
Chapter 15 Solutions
EBK A SMALL SCALE APPROACH TO ORGANIC L
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