Introduction to General, Organic and Biochemistry
12th Edition
ISBN: 9780357391594
Author: Frederick A. Bettelheim; William H. Brown; Mary K. Campbell
Publisher: Cengage Learning US
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Textbook Question
Chapter 21, Problem 60P
22-72 What does the reducing agent do in straightening curly hair?
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Part 1. Draw monomer units of the following products and draw their reaction mechanism
1) Bakelite like polymer
Using: Resorcinol + NaOH + Formalin
2) Polyester fiber
Using a) pthalic anhydride + anhydrous sodium acetate + ethylene glycol
B)pthalic anhydride + anhydrous sodium acetate + glycerol
3) Temporary cross-linked polymer
Using: 4% polyvinyl alcohol+ methyl red + 4% sodium borate
Using the table of Reactants and Products provided provide the correct letter that
corresponds with the Carboxylic acid that is formed in the reaction below.
6 M NaOH
Acid-workup
WRITE THE CORRECT LETTER ONLY DO NOT WRITE EXTRA WORDS OR
PHRASES
A)
Pool of Reagents for Part B
CI
B)
OH
C)
E)
CI
J)
racemic
F)
K)
OH
N)
OH
P)
G)
OH
D)
HO
H)
L)
M)
HO
Q)
R)
CI
A
In the table below, the exact chemical structures for Methyl salicylate can be
represented by the letter
WRITE THE CORRECT LETTER ONLY DO NOT WRITE EXTRA WORDS OR
PHRASES
CI
B)
A)
E)
Cl
racemic
F)
J)
CI
K)
N)
OH
P)
Pool of Reagents for Part B
OH
OH
G)
L)
OH
D)
HO
H)
M)
HO
Q)
R)
CI
Chapter 21 Solutions
Introduction to General, Organic and Biochemistry
Ch. 21.1 - Prob. 21.1QCCh. 21.2 - Prob. 21.2QCCh. 21.3 - What is the overall charge (+,0, or ) for the...Ch. 21.4 - Problem 22-1 Show how to form the dipeptide...Ch. 21.5 - Prob. 21.5QCCh. 21.7 - Prob. 21.6QCCh. 21.8 - Prob. 21.7QCCh. 21.8 - Prob. 21.8QCCh. 21.10 - Prob. 21.9QCCh. 21 - 22-5 What are the functions of (a) ovalbumin and...
Ch. 21 - 22-6 The members of which class of proteins are...Ch. 21 - 22-7 What is the function of an immunoglobulin?Ch. 21 - Prob. 4PCh. 21 - 22-9 What is the difference in structure between...Ch. 21 - 22-10 Classify the following amino acids as...Ch. 21 - 22-11 Which amino acid has the highest percentage...Ch. 21 - Prob. 8PCh. 21 - Prob. 9PCh. 21 - Prob. 10PCh. 21 - Prob. 11PCh. 21 - Prob. 12PCh. 21 - 22-17 What are the similarities and differences in...Ch. 21 - 22-18 Draw the structures of L- and D-valine.Ch. 21 - Prob. 15PCh. 21 - 22-20 Show how alanine, in solution at its...Ch. 21 - 22-21 Explain why an amino acid cannot exist in an...Ch. 21 - 22-22 Draw the structure of valine at pH 1 and at...Ch. 21 - Prob. 19PCh. 21 - 22-24 Draw the most predominant form of histidine...Ch. 21 - 22-25 Draw the most predominant form of lysine at...Ch. 21 - Prob. 22PCh. 21 - 22-27 Show by chemical equations how alanine and...Ch. 21 - 22-28 A tetrapeptide is abbreviated as DPKH. Which...Ch. 21 - 22-29 Draw the structure of a tripeptide made of...Ch. 21 - 22-30 (a) Use the three-letter abbreviations to...Ch. 21 - 22-31 A polypeptide chain is made of alternating...Ch. 21 - Prob. 28PCh. 21 - 22-33 Which of the three functional groups on...Ch. 21 - Prob. 30PCh. 21 - 22-35 Why is histidine considered a basic amino...Ch. 21 - Prob. 32PCh. 21 - Prob. 33PCh. 21 - 22-38 Why does proline not absorb light at 280 nm?Ch. 21 - Prob. 35PCh. 21 - Prob. 36PCh. 21 - Prob. 37PCh. 21 - 22-42 (a) How many atoms of the peptide bond lie...Ch. 21 - 22-43 (a) Draw the structural formula of the...Ch. 21 - 22-44 How can a protein act as a buffer?Ch. 21 - 22-45 Proteins are least soluble at their...Ch. 21 - 22-46 How many different tripeptides can be made...Ch. 21 - 22-47 How many different tetrapeptides can be made...Ch. 21 - 22-48 How many amino acid residues in the A chain...Ch. 21 - 22-49 Based on your knowledge of the chemical...Ch. 21 - Prob. 46PCh. 21 - 22-59 What is the effect of salt bridges on the...Ch. 21 - Prob. 48PCh. 21 - 22-61 Polyglutamic acid (a polypeptide chain made...Ch. 21 - 22-62 Distinguish between intermolecular and...Ch. 21 - 22-63 Identify the primary, secondary, and...Ch. 21 - 22-64 If both cysteine residues on the B chain of...Ch. 21 - 22-65 (a) What is the difference in the quaternary...Ch. 21 - Prob. 54PCh. 21 - Prob. 55PCh. 21 - Prob. 56PCh. 21 - Prob. 57PCh. 21 - Prob. 58PCh. 21 - 22-71 Which amino acid side chain is most...Ch. 21 - 22-72 What does the reducing agent do in...Ch. 21 - 22-73 Silver nitrate is sometimes put into the...Ch. 21 - 22-74 Why do nurses and physicians use 70% alcohol...Ch. 21 - Prob. 63PCh. 21 - (Chemical Connections 21B ) AGE products become...Ch. 21 - Prob. 65PCh. 21 - Prob. 66PCh. 21 - Prob. 67PCh. 21 - Prob. 68PCh. 21 - Prob. 69PCh. 21 - 22-84 How many different dipeptides can be made...Ch. 21 - 22-85 Denaturation is usually associated with...Ch. 21 - Prob. 72PCh. 21 - Prob. 73PCh. 21 - Prob. 74PCh. 21 - 22-89 What kind of noncovalent interaction occurs...Ch. 21 - Prob. 76PCh. 21 - 22-91 Which amino acid does not rotate the plane...Ch. 21 - 22-92 Write the expected products of the acid...Ch. 21 - 22-93 What charges are on aspartic acid at pH 2.0?Ch. 21 - Prob. 80PCh. 21 - Prob. 81PCh. 21 - Prob. 82PCh. 21 - 22-97 Gelatin is derived from collagen by...Ch. 21 - Prob. 84PCh. 21 - Prob. 85PCh. 21 - Prob. 86PCh. 21 - 22-101 Using what you know about protein...Ch. 21 - 22-104 Why is collagen not a very good source of...Ch. 21 - Prob. 89P
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- Draw the stepwise mechanism for the reactionsarrow_forwardPart I. a) Draw reaction mechanism for the transformations of benzophenone to benzopinacol to benzopinaco lone b) Pinacol (2,3-dimethyl, 1-3-butanediol) on treatment w/ acid gives a mixture of pina colone (3,3-dimethyl-2-butanone) and 2, 3-dimethyl - 1,3-butadiene. Give reasonable mechanism the formation of the products Forarrow_forward3. The explosive decomposition of 2 mole of TNT (2,4,6-trinitrotoluene) is shown below: Assume the C(s) is soot-basically atomic carbon (although it isn't actually atomic carbon in real life). 2 CH3 H NO2 NO2 3N2 (g)+7CO (g) + 5H₂O (g) + 7C (s) H a. Use bond dissociation energies to calculate how much AU is for this reaction in kJ/mol.arrow_forward
- Part I. Draw reaction mechanism for the transformations of benzophenone to benzopinacol to benzopinaco lone and answer the ff: Pinacol (2,3-dimethyl, 1-3-butanediol) on treatment w/ acid gives a mixture of pina colone and (3,3-dimethyl-2-butanone) 2,3-dimethyl-1,3-butadiene. Give reasonable mechanism the formation of the products Forarrow_forwardShow the mechanism for these reactionsarrow_forwardDraw the stepwise mechanismarrow_forward
- Draw a structural formula of the principal product formed when benzonitrile is treated with each reagent. (a) H₂O (one equivalent), H₂SO₄, heat (b) H₂O (excess), H₂SO₄, heat (c) NaOH, H₂O, heat (d) LiAlH4, then H₂Oarrow_forwardDraw the stepwise mechanism for the reactionsarrow_forwardDraw stepwise mechanismarrow_forward
- Part I. Draw reaction mechanism for the transformations of benzophenone to benzopinacol to benzopinaco lone and answer the ff: a) Give the major reason for the exposure of benzophenone al isopropyl alcohol (w/acid) to direct sunlight of pina colone Mechanism For b) Pinacol (2,3-dimethy 1, 1-3-butanediol) on treatment w/ acid gives a mixture (3,3-dimethyl-2-butanone) and 2, 3-dimethyl-1,3-butadiene. Give reasonable the formation of the productsarrow_forwardwhat are the Iupac names for each structurearrow_forwardWhat are the IUPAC Names of all the compounds in the picture?arrow_forward
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