Organic Chemistry
5th Edition
ISBN: 9780078021558
Author: Janice Gorzynski Smith Dr.
Publisher: McGraw-Hill Education
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Question
Chapter 30, Problem 30.36P
Interpretation Introduction
Interpretation: A short segment of two Kevlar chains is to be drawn and the hydrogen bonding in chain is to be indicated.
Concept introduction: Polyamides, a step-growth
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Students have asked these similar questions
Kevlar (Section 30.6A) is a very stiff polymer because its backbone contains many aromatic rings and its polymer chains are extensively hydrogen bonded to each other. Draw a short segment of two Kevlar chains, and indicate how the chains are hydrogen bonded to each other.
When two monomers (X and Y) are polymerized together, a copolymer results. An alternating copolymer is formed when the two monomers X and Y alternate regularly in the polymer chain. Draw the structure of the alternating copolymer formed when the two monomers, CH2 ≡ CCl2 and CH2 = CHC6H5, are polymerized together.
1. Kevlar is a copolymer used in bullet-proof vests. It is formed in a condensation
reaction between the following two monomers:
H2N-
-NH2
НО—С
OH
Sketch a portion of the polymer chain showing several monomer units. Write the
overall equation for the condensation reaction.
Chapter 30 Solutions
Organic Chemistry
Ch. 30 - Prob. 30.1PCh. 30 - Prob. 30.2PCh. 30 - Prob. 30.3PCh. 30 - Draw the mechanism for the radical polymerization...Ch. 30 - Prob. 30.5PCh. 30 - Prob. 30.6PCh. 30 - Prob. 30.7PCh. 30 - Prob. 30.8PCh. 30 - Prob. 30.9PCh. 30 - Prob. 30.10P
Ch. 30 - Prob. 30.11PCh. 30 - Problem 30.12
What polymer is formed by anionic...Ch. 30 - Prob. 30.13PCh. 30 - Prob. 30.14PCh. 30 - Problem 30.15
What polyamide is formed from each...Ch. 30 - Prob. 30.16PCh. 30 - Prob. 30.17PCh. 30 - Prob. 30.18PCh. 30 - Prob. 30.19PCh. 30 - Prob. 30.20PCh. 30 - Prob. 30.21PCh. 30 - Prob. 30.22PCh. 30 - Prob. 30.23PCh. 30 - Prob. 30.24PCh. 30 - Prob. 30.25PCh. 30 - 30.26 Draw the structure of the polymer formed by...Ch. 30 - Prob. 30.27PCh. 30 - Prob. 30.28PCh. 30 - Prob. 30.29PCh. 30 - 30.30 Draw each polymer in Problem 30.29 using the...Ch. 30 - Prob. 30.31PCh. 30 - Prob. 30.32PCh. 30 - Prob. 30.33PCh. 30 - Prob. 30.34PCh. 30 - Prob. 30.35PCh. 30 - Prob. 30.36PCh. 30 - Prob. 30.37PCh. 30 - Prob. 30.38PCh. 30 - 30.39 Draw a stepwise mechanism for the...Ch. 30 - 30.40 Cationic polymerization of 3-phenylpropene ...Ch. 30 - Prob. 30.41PCh. 30 - Prob. 30.42PCh. 30 - 30.43 Although styrene undergoes both cationic and...Ch. 30 - 30.44 Rank the following compounds in order of...Ch. 30 - Prob. 30.45PCh. 30 - Prob. 30.46PCh. 30 - 30.47 Draw a stepwise mechanism for the following...Ch. 30 - 30.48 Draw a stepwise mechanism for the reaction...Ch. 30 - 30.49 Draw the products of each reaction.
a. e....Ch. 30 - Prob. 30.50PCh. 30 - Prob. 30.51PCh. 30 - 30.52 (a) Explain why poly (vinyl alcohol) cannot...Ch. 30 - 30.53 Devise a synthesis of terephthalic acid and...Ch. 30 - Prob. 30.54PCh. 30 - Prob. 30.55PCh. 30 - 30.56 Compound A is a novel poly (ester amide)...Ch. 30 - 30.57 Researchers at Rutgers University have...Ch. 30 - 30.58 Melmac, a thermosetting polymer formed from...Ch. 30 - 30.59 Although chain branching in radical...Ch. 30 - Prob. 30.60P
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- Kevlar is a well-known polymer that is now used to make sports equipment and bullet-proof vests. The basic structure of the polymer is shown below. Is this a condensation polymer or an addition polymer? What chemicals could be used to make this polymer? Write a balanced equation for the formation of Kevlar.arrow_forwardPoly(butylene terephthalate) is a hydrophobic plastic material widely used in automotive ignition systems. Is this an addition polymer or a condensation polymer?arrow_forwardneed help for question number 2arrow_forward
- The structure shown is an example of a type of macromolecule (carbohydrate, lipid, protein, or nucleic acid) that is an important biological polymer. Identify the type of macromolecule shown, the type of monomer it is made from, how you came to your conclusion and the general types of important biological functions of this type of macromolecule in the cell. 0=210 + OCH₂ NH₂ OH OHarrow_forwardAnalysis of a sample of polyacrylonitrile shows that there are six lengths of chains, with the number of chains of each length shown in the table below. The molecular weight of the acrylonitrile monomer is 53 g/mol. Calculate the following: (a) The weight average molecular weight and degree of polymerization, (b) The number average molecular weight and degree of polymerization. Number Of chains Mean Molecular weight of chains (g/mol) 3010 10,005 18,005 17,005 15,005 6010 9010 12,010 9005 15,010 4005 18,010arrow_forwardPolymer: Polystyrene Indicate whether the polymer is a natural polymer or synthetic polymer. Indicate whether the polymer is produced by condensation or addition polymerization. Give the structure of the monomer used to produce the polymer. Discuss how the polymer is produced, its chemical and physical properties, factors that effecting its properties and their major applicationarrow_forward
- Polymer: Polyester Indicate whether the polymer is a natural polymer or synthetic polymer. Indicate whether the polymer is produced by condensation or addition polymerization. Give the structure of the monomer used to produce the polymer. Discuss how the polymer is produced, its chemical and physical properties, factors that effecting their properties and their major application.arrow_forwardIn a recent year, 2.84 billion kilograms of polystyrene was produced in the United States. Polystyrene is the addition polymer formed from the styrene monomer, C6H5CHuCH2. How many styrene monomer units wereincorporated in that 2.84 billion kilograms of polymer?arrow_forwardWhat monomer would you use to form the following polymer?arrow_forward
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