EBK CHEMISTRY: THE SCIENCE IN CONTEXT,
5th Edition
ISBN: 9780393661385
Author: Davies
Publisher: VST
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Chapter 20.3, Problem 6PE
Interpretation Introduction
Interpretation: The sequence of the given amino acids in the peptide is to be stated.
Concept introduction: In proteins and peptides, amino acids are joined by peptide bond or peptide linkage.
To determine: The sequence of the given amino acids in the peptide.
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Q6: Using acetic acid as the acid, write the balanced chemical equation for the protonation of
the two bases shown (on the -NH2). Include curved arrows to show the mechanism.
O₂N-
O₂N.
-NH2
-NH2
a) Which of the two Bronsted bases above is the stronger base? Why?
b) Identify the conjugate acids and conjugate bases for the reactants.
c) Identify the Lewis acids and bases in the reactions.
Q5: For the two reactions below:
a) Use curved electron-pushing arrows to show the mechanism for the reaction in the
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and all bonds that are formed.
b) Label Bronsted acids and bases in the left side of the reactions.
c) For reaction A, which anionic species is the weakest base? Which neutral compound is
the stronger acid? Is the forward or reverse reaction favored?
d) Label Lewis acids and bases, nucleophiles and electrophiles in the left side of the
reactions.
A.
용
CH3OH
я хон
CH3O
OH
B. HBr
CH3ONa
NaBr
CH3OH
potential energy
Br
b) Translate the Newman projection below to its wedge-and-dash drawing.
F
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OH
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CI
c) Isopentane (2-methylbutane) is a compound containing a branched carbon chain. Draw
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energy maximum and minimum with one of the conformations.
0°
。
F
A
B
D
C
angle of internal rotation
E
F
360° (=0°)
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Chapter 20 Solutions
EBK CHEMISTRY: THE SCIENCE IN CONTEXT,
Ch. 20.2 - Prob. 1PECh. 20.2 - Prob. 2PECh. 20.2 - Prob. 3PECh. 20.3 - Prob. 4PECh. 20.3 - Prob. 5PECh. 20.3 - Prob. 6PECh. 20.6 - Prob. 7PECh. 20.6 - Prob. 8PECh. 20 - Prob. 20.1VPCh. 20 - Prob. 20.2VP
Ch. 20 - Prob. 20.3VPCh. 20 - Prob. 20.4VPCh. 20 - Prob. 20.5VPCh. 20 - Prob. 20.6VPCh. 20 - Prob. 20.7VPCh. 20 - Prob. 20.8VPCh. 20 - Prob. 20.9VPCh. 20 - Prob. 20.10VPCh. 20 - Prob. 20.11QPCh. 20 - Prob. 20.12QPCh. 20 - Prob. 20.13QPCh. 20 - Prob. 20.14QPCh. 20 - Prob. 20.15QPCh. 20 - Prob. 20.16QPCh. 20 - Prob. 20.17QPCh. 20 - Prob. 20.18QPCh. 20 - Prob. 20.19QPCh. 20 - Prob. 20.20QPCh. 20 - Prob. 20.21QPCh. 20 - Prob. 20.22QPCh. 20 - Prob. 20.23QPCh. 20 - Prob. 20.24QPCh. 20 - Prob. 20.25QPCh. 20 - Prob. 20.26QPCh. 20 - Prob. 20.27QPCh. 20 - Prob. 20.28QPCh. 20 - Prob. 20.29QPCh. 20 - Prob. 20.30QPCh. 20 - Prob. 20.31QPCh. 20 - Prob. 20.32QPCh. 20 - Prob. 20.33QPCh. 20 - Prob. 20.34QPCh. 20 - Prob. 20.35QPCh. 20 - Prob. 20.36QPCh. 20 - Prob. 20.37QPCh. 20 - Prob. 20.38QPCh. 20 - Prob. 20.39QPCh. 20 - Prob. 20.40QPCh. 20 - Prob. 20.41QPCh. 20 - Prob. 20.42QPCh. 20 - Prob. 20.43QPCh. 20 - Prob. 20.44QPCh. 20 - Prob. 20.45QPCh. 20 - Prob. 20.46QPCh. 20 - Prob. 20.47QPCh. 20 - Prob. 20.48QPCh. 20 - Prob. 20.49QPCh. 20 - Prob. 20.50QPCh. 20 - Prob. 20.51QPCh. 20 - Prob. 20.52QPCh. 20 - Prob. 20.53QPCh. 20 - Prob. 20.54QPCh. 20 - Prob. 20.55QPCh. 20 - Prob. 20.56QPCh. 20 - Prob. 20.57QPCh. 20 - Prob. 20.58QPCh. 20 - Prob. 20.59QPCh. 20 - Prob. 20.60QPCh. 20 - Prob. 20.61QPCh. 20 - Prob. 20.62QPCh. 20 - Prob. 20.63QPCh. 20 - Prob. 20.64QPCh. 20 - Prob. 20.65QPCh. 20 - Prob. 20.66QPCh. 20 - Prob. 20.67QPCh. 20 - Prob. 20.68QPCh. 20 - Prob. 20.69QPCh. 20 - Prob. 20.70QPCh. 20 - Prob. 20.71QPCh. 20 - Prob. 20.72QPCh. 20 - Prob. 20.73QPCh. 20 - Prob. 20.74QPCh. 20 - Prob. 20.75QPCh. 20 - Prob. 20.76QPCh. 20 - Prob. 20.77QPCh. 20 - Prob. 20.78QPCh. 20 - Prob. 20.79QPCh. 20 - Prob. 20.80QPCh. 20 - Prob. 20.81APCh. 20 - Prob. 20.82APCh. 20 - Prob. 20.83APCh. 20 - Prob. 20.84APCh. 20 - Prob. 20.85APCh. 20 - Prob. 20.86APCh. 20 - Prob. 20.87APCh. 20 - Prob. 20.88APCh. 20 - Prob. 20.89APCh. 20 - Prob. 20.90APCh. 20 - Prob. 20.91APCh. 20 - Prob. 20.92APCh. 20 - Prob. 20.93APCh. 20 - Prob. 20.94APCh. 20 - Prob. 20.95APCh. 20 - Prob. 20.96APCh. 20 - Prob. 20.97APCh. 20 - Prob. 20.98APCh. 20 - Prob. 20.99APCh. 20 - Prob. 20.100AP
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