EBK ESSENTIAL ORGANIC CHEMISTRY
3rd Edition
ISBN: 8220100659461
Author: Bruice
Publisher: PEARSON
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Chapter 13, Problem 46P
Interpretation Introduction
Interpretation: The mechanism for the given aldol addition reaction has to be proposed.
Concept introduction:
If two different carbonyl compound used in an aldol addition, known as a crossed-aldol reaction. If the two carbonyl compounds contain alpha carbon then four products are formed because two different enolate ion is formed.
One product can be formed from crossed-aldol addition reaction if one of the carbonyl compounds does not have any alpha hydrogen and therefore cannot form an enolate ion.
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LABORATORY REPORT FORM
Part I. Determination of the Formula of a Known Hydrate
1. Mass of empty evaporating dish
3. Mass of hydrate
Using subtraction
or mass by difference,
find the mass of
the hydrate
76.96
-75.40
75.40g
76.968
1.568
01.56
76.90 g
2. Mass of evaporating dish + hydrate
4. Mass of evaporating dish + hydrate (after heating)
First 76.98 g
Third 76.66g
Second
Fourth (if necessary) 76.60g
5. Mass of anhydrate
6. Mass of water lost by the hydrate
7. Percent of water of hydration
(Show Calculations)
8. Moles of water
(Show Calculations)
mol
mass of water
=
MM of water (g/m)
9. Moles of anhydrate
(Show Calculations)
10. Ratio of moles of water to moles of anhydrate
11 F(Show Calculations)
11. Formula of hydrate
- Mass of water (g) x 100
% water hydration
g
g
%
Mass of hydrate (9) x IC
% = (Mass of hydrate- mass of an)
mass of hydrate (g)
% = (1.569-
× 100=
mol
1.569
mol Mol Mass of
anhydrate/MM
of anhydrate
12. What was the color of the hydrate?
blue
What was the color of the…
compared t-critical with t-calculated and 95% confidence interval to answer this question
Comparing two means. Horvat and co-workers used atomic absorption spectroscopy to determine the concentration of Hg in coal fly ash. Of particular interest to the authors was developing an appropriate procedure for digesting samples and releasing the Hg for analysis. As part of their study they tested several reagents for digesting samples. Their results using HNO3 and using a 1+3 mixture of HNO3 and HCl are shown here. All concentrations are given as ppb Hg sample.
HNO3: 161, 165, 160, 167, 166
1+3 HNO3–HCl: 159, 145, 140, 147, 143, 156
Determine whether there is a significant difference between these methods at the 95% confidence interval.
Chapter 13 Solutions
EBK ESSENTIAL ORGANIC CHEMISTRY
Ch. 13.1 - Identify the most acidic hydrogen in each...Ch. 13.1 - Prob. 2PCh. 13.1 - Prob. 3PCh. 13.1 - Prob. 4PCh. 13.1 - Explain why HO cannot remove a proton from the...Ch. 13.2 - Prob. 6PCh. 13.2 - Prob. 7PCh. 13.3 - Prob. 8PCh. 13.3 - Prob. 9PCh. 13.3 - Prob. 10P
Ch. 13.4 - Prob. 11PCh. 13.5 - Prob. 12PCh. 13.5 - Prob. 13PCh. 13.6 - Prob. 14PCh. 13.7 - Prob. 16PCh. 13.8 - Prob. 17PCh. 13.8 - Prob. 18PCh. 13.8 - Prob. 19PCh. 13.9 - Prob. 20PCh. 13.10 - Propose a mechanism for the formation of...Ch. 13.10 - Prob. 22PCh. 13.10 - a. If the biosynthesis of palmitic acid were...Ch. 13 - Draw the enol tautomers for each of the following...Ch. 13 - Number the following compounds in order from...Ch. 13 - Prob. 26PCh. 13 - Explain why the pKa of a hydrogen bonded to the...Ch. 13 - Prob. 28PCh. 13 - Prob. 29PCh. 13 - Prob. 30PCh. 13 - Prob. 31PCh. 13 - Prob. 32PCh. 13 - Prob. 33PCh. 13 - Using cyclopentanone as the reactant, show the...Ch. 13 - Prob. 35PCh. 13 - Prob. 36PCh. 13 - Prob. 37PCh. 13 - Prob. 38PCh. 13 - Prob. 39PCh. 13 - Prob. 40PCh. 13 - Prob. 41PCh. 13 - Prob. 42PCh. 13 - Prob. 43PCh. 13 - Prob. 44PCh. 13 - Describe how the following compounds can be...Ch. 13 - Prob. 46PCh. 13 - Which would require a higher temperature:...Ch. 13 - Prob. 48PCh. 13 - Propose a mechanism for the following reaction:Ch. 13 - Show how the following compounds could be...Ch. 13 - Prob. 51PCh. 13 - Prob. 52P
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