
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN: 9781305580343
Author: Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher: Cengage Learning
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Question
Chapter 23, Problem 23.75QP
Interpretation Introduction
Interpretation:
The functional group present in the given molecule has to be identified and named.
Concept Introduction:
In an organic compound, the reactive portion is known as functional group. This undergoes reactions with other reagents and this does not depend upon how the rest of the compound is like. Few of the common
To Identify and Name: The functional group present in the given molecule.
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(a
4 shows scanning electron microscope (SEM) images of extruded
actions of packing bed for two capillary columns of different diameters,
al 750 (bottom image) and b) 30-μm-i.d. Both columns are packed with the
same stationary phase, spherical particles with 1-um diameter.
A) When the columns were prepared, the figure shows that the column with
the larger diameter has more packing irregularities. Explain this observation.
B) Predict what affect this should have on band broadening and discuss your
prediction using the van Deemter terms.
C) Does this figure support your explanations in application question 33?
Explain why or why not and make any changes in your answers in light of
this figure.
Figure 4 SEM images of
sections of packed columns
for a) 750 and b) 30-um-i.d.
capillary columns.³
fcrip
= ↓ bandwidth Il temp
32. What impact (increase, decrease, or no change) does each of the following conditions have on the individual
components of the van Deemter equation and consequently, band broadening?
Increase temperature
Longer column
Using a gas mobile phase
instead of liquid
Smaller particle stationary phase
Multiple Paths
Diffusion
Mass Transfer
34. Figure 3 shows Van Deemter plots for a solute molecule using different column inner diameters (i.d.).
A) Predict whether decreasing the column inner diameters increase or decrease bandwidth.
B) Predict which van Deemter equation coefficient (A, B, or C) has the greatest effect on increasing or
decreasing bandwidth as a function of i.d. and justify your answer.
Figure 3 Van Deemter plots for hydroquinone using different column inner diameters (i.d. in μm). The data was
obtained from liquid chromatography experiments using fused-silica capillary columns packed with 1.0-μm particles.
35
20
H(um)
큰 20
15
90
0+
1500
100
75
550
01
02
594
05
μ(cm/sec)
30
15
10
Chapter 23 Solutions
General Chemistry - Standalone book (MindTap Course List)
Ch. 23.2 - Prob. 23.1ECh. 23.2 - In the model shown here, C atoms are black and H...Ch. 23.2 - Prob. 23.2CCCh. 23.3 - Prob. 23.2ECh. 23.3 - Prob. 23.3ECh. 23.5 - Prob. 23.4ECh. 23.5 - Prob. 23.5ECh. 23.5 - Prob. 23.6ECh. 23.5 - Prob. 23.7ECh. 23.5 - Prob. 23.8E
Ch. 23.5 - Give the IUPAC name for each of the following...Ch. 23.5 - Prob. 23.10ECh. 23.5 - Prob. 23.3CCCh. 23.6 - Prob. 23.11ECh. 23.6 - Prob. 23.12ECh. 23.6 - Prob. 23.13ECh. 23 - Give the molecular formula of an alkane with 25...Ch. 23 - Prob. 23.2QPCh. 23 - Prob. 23.3QPCh. 23 - Prob. 23.4QPCh. 23 - Prob. 23.5QPCh. 23 - Prob. 23.6QPCh. 23 - Prob. 23.7QPCh. 23 - Prob. 23.8QPCh. 23 - What would you expect to be the major product when...Ch. 23 - Prob. 23.10QPCh. 23 - Prob. 23.11QPCh. 23 - Prob. 23.12QPCh. 23 - Prob. 23.13QPCh. 23 - Prob. 23.14QPCh. 23 - Prob. 23.15QPCh. 23 - Prob. 23.16QPCh. 23 - Prob. 23.17QPCh. 23 - What is the correct IUPAC name for the following...Ch. 23 - Prob. 23.19QPCh. 23 - Prob. 23.20QPCh. 23 - Explain why you wouldnt expect to find a compound...Ch. 23 - Catalytic cracking is an industrial process used...Ch. 23 - Prob. 23.23QPCh. 23 - In the models shown here, C atoms are black and H...Ch. 23 - Prob. 23.25QPCh. 23 - Prob. 23.26QPCh. 23 - Prob. 23.27QPCh. 23 - Prob. 23.28QPCh. 23 - Prob. 23.29QPCh. 23 - Prob. 23.30QPCh. 23 - Complete and balance the following equations. Note...Ch. 23 - Prob. 23.32QPCh. 23 - Prob. 23.33QPCh. 23 - Prob. 23.34QPCh. 23 - Prob. 23.35QPCh. 23 - Complete the following equation, giving only the...Ch. 23 - Prob. 23.37QPCh. 23 - What is the IUPAC name of each of the following...Ch. 23 - Prob. 23.39QPCh. 23 - Write the condensed structural formula for each of...Ch. 23 - Give the IUPAC name of each of the following. a...Ch. 23 - For each of the following, write the IUPAC name. a...Ch. 23 - Prob. 23.43QPCh. 23 - Prob. 23.44QPCh. 23 - Prob. 23.45QPCh. 23 - Prob. 23.46QPCh. 23 - Give the IUPAC name of each of the following...Ch. 23 - Prob. 23.48QPCh. 23 - Prob. 23.49QPCh. 23 - Prob. 23.50QPCh. 23 - Prob. 23.51QPCh. 23 - Circle and name the functional group in each...Ch. 23 - Prob. 23.53QPCh. 23 - Prob. 23.54QPCh. 23 - Prob. 23.55QPCh. 23 - Prob. 23.56QPCh. 23 - What is the common name of each of the following...Ch. 23 - Prob. 23.58QPCh. 23 - Prob. 23.59QPCh. 23 - Prob. 23.60QPCh. 23 - Prob. 23.61QPCh. 23 - Prob. 23.62QPCh. 23 - Give the IUPAC name of each of the following...Ch. 23 - Prob. 23.64QPCh. 23 - Prob. 23.65QPCh. 23 - Prob. 23.66QPCh. 23 - Prob. 23.67QPCh. 23 - Prob. 23.68QPCh. 23 - Prob. 23.69QPCh. 23 - Prob. 23.70QPCh. 23 - Prob. 23.71QPCh. 23 - A compound with a fragrant odor reacts with dilute...Ch. 23 - Prob. 23.73QPCh. 23 - Prob. 23.74QPCh. 23 - Prob. 23.75QPCh. 23 - Prob. 23.76QPCh. 23 - Prob. 23.77QPCh. 23 - Prob. 23.78QPCh. 23 - Prob. 23.79QPCh. 23 - Prob. 23.80QPCh. 23 - Prob. 23.81QPCh. 23 - Prob. 23.82QPCh. 23 - Prob. 23.83QPCh. 23 - Prob. 23.84QPCh. 23 - Prob. 23.85QPCh. 23 - Prob. 23.86QPCh. 23 - Prob. 23.87QPCh. 23 - Prob. 23.88QP
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