Organic Chemistry, Books a la Carte Edition (9th Edition)
9th Edition
ISBN: 9780134160382
Author: Leroy G. Wade, Jan W. Simek
Publisher: PEARSON
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Chapter 7.15, Problem 7.28P
(a)
Interpretation Introduction
To determine: The product of the elimination reaction between
Interpretation: The product of the elimination reaction between
Concept introduction: The elimination reaction is the organic reaction in which two substituents are removed from the organic molecule in one step or two steps. The two mechanisms of the elimination reaction are the E1 and E2 mechanisms.
In E2 mechanism, the elimination takes place in one step.
According to the Zaitsev rule, the formation of
(b)
Interpretation Introduction
To determine: The product of the elimination reaction between
Interpretation: The product of the elimination reaction between
Concept introduction: The elimination reaction is the organic reaction in which two substituents are removed from the organic molecule in one step or two steps. The two mechanisms of the elimination reaction are E1 and E2 mechanism.
In E2 mechanism, the elimination takes place in one step.
According to the Zaitsev rule, the formation of alkene occurs by the elimination of the hydrogen from the carbon that has less hydrogen.
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Given the reaction: A(aq) + B(aq) ⇌ 2C(aq) + D(aq). 2.00 moles of each reactant were dissolved into 1.00 literof water. The reaction reached equilibrium, and at equilibrium the concentration of A was 1.60 M.A) Calculate the equilibrium concentrations for each substance.
B) Write the equilibrium constant expression.
C) Calculate the value for the equilibrium constant, Keq.
1) Draw the structures of D-lysine and L-lysine and assign R/S configuration
(showing your workings).
2) Draw the predominant ionisation forms of the free amino acid lysine, at pH 1.0,
8.0, and 11.0. pKa values: 2.2 (-COOH), 9.0 (α-NH3+), 10.5 (side-chain).
3) Calculate (showing your workings) the % of the different ionized species that
are present in a 1.00 M solution of L-proline at pH = 10.0. pKa values: 1.95 (-
COOH), 10.64 (α-NH3*).
4)
a) Draw the tripeptide Tyr-Pro-Lys once with a trans peptide bond between Tyr
and Pro and once with a cis peptide bond between Tyr and Pro.
b) The electrospray ionization mass spectrum (ESI-MS) of the tripeptide you
designed in part (a) shows peaks indicative of mono-protonation and di-
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5) How could the sequence of Ala-Met-Thr be distinguished from that of Thr-Ala-
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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…
Chapter 7 Solutions
Organic Chemistry, Books a la Carte Edition (9th Edition)
Ch. 7.3A - Prob. 7.1PCh. 7.3A - Prob. 7.2PCh. 7.3B - Draw five more compounds of formula C4H6NOC1.Ch. 7.3B - For each of the following molecular formulas,...Ch. 7.4 - Give the systematic (IUPAC) names of the following...Ch. 7.5B - The following names are all incorrect. Draw the...Ch. 7.5B - Prob. 7.8PCh. 7.5B - a. How many stereogcmc double bonds are in...Ch. 7.6 - Teflon-coated frying pans routinely endure...Ch. 7.7B - Prob. 7.11P
Ch. 7.8B - Use the data in Table7-2 to predict the energy...Ch. 7.8C - Prob. 7.13PCh. 7.8E - Explain why each of the following alkenes is...Ch. 7.8F - Prob. 7.15PCh. 7.10 - Prob. 7.16PCh. 7.10A - SN1 substitution and E1 elimination frequently...Ch. 7.10C - Prob. 7.18PCh. 7.10C - Prob. 7.19PCh. 7.10C - Prob. 7.20PCh. 7.11 - Prob. 7.21PCh. 7.11 - Prob. 7.22PCh. 7.12 - Prob. 7.23PCh. 7.12 - Prob. 7.24PCh. 7.13 - Prob. 7.25PCh. 7.14B - Prob. 7.26PCh. 7.14B - Make models of the blowing compounds, and predict...Ch. 7.15 - Prob. 7.28PCh. 7.15 - Prob. 7.29PCh. 7.15 - Prob. 7.30PCh. 7.15 - Prob. 7.31PCh. 7.16 - Predict the major and minor elimination products...Ch. 7.17B - Predict the products and mechanisms of the...Ch. 7.18 - Propose mechanisms for the following reactions.Ch. 7.18 - Prob. 7.35PCh. 7.19B - The dehydrogenation of butane to trans-but-2-ene...Ch. 7.19B - Prob. 7.37PCh. 7.19B - Prob. 7.38PCh. 7.19B - Prob. 7.39PCh. 7 - Prob. 7.40SPCh. 7 - Prob. 7.41SPCh. 7 - Prob. 7.42SPCh. 7 - Prob. 7.43SPCh. 7 - Prob. 7.44SPCh. 7 - Prob. 7.45SPCh. 7 - Prob. 7.46SPCh. 7 - The energy difference between cis- and...Ch. 7 - Prob. 7.48SPCh. 7 - Prob. 7.49SPCh. 7 - Prob. 7.50SPCh. 7 - What halides would undergo E2 dehydrohalogenation...Ch. 7 - Prob. 7.52SPCh. 7 - Prob. 7.53SPCh. 7 - Write a balanced equation for each reaction,...Ch. 7 - Prob. 7.55SPCh. 7 - Using cyclohexane as your starting material, show...Ch. 7 - Show how you would prepare cyclopentene from each...Ch. 7 - Prob. 7.58SPCh. 7 - E1 eliminations of alkyl halides are rarely useful...Ch. 7 - Prob. 7.60SPCh. 7 - Propose mechanisms for the following reactions....Ch. 7 - Prob. 7.62SPCh. 7 - Prob. 7.63SPCh. 7 - Prob. 7.64SPCh. 7 - Prob. 7.65SPCh. 7 - Prob. 7.66SPCh. 7 - Prob. 7.67SPCh. 7 - Prob. 7.68SPCh. 7 - Prob. 7.69SPCh. 7 - Explain the dramatic difference in rotational...Ch. 7 - One of the following dichloronorbornanes undergoes...Ch. 7 - A graduate student wanted to make...Ch. 7 - Prob. 7.73SPCh. 7 - Prob. 7.74SPCh. 7 - Prob. 7.75SPCh. 7 - Prob. 7.76SP
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