How many grams of H2O2 would be needed to yield 1 kg of a polypropylene, (C3H6 )n, with an average degree of polymerization of 700? (Assume that all H2O2 dissociates to OH groups that serve as terminals for the molecules.) Express your answer to three significant digits. vec ? The mass of HO2 needed would be g.

How many grams of H2O2 would be needed to yield 1 kg of a polypropylene, (C3H6 )n, with an average degree of polymerization of 700? (Assume that all H2O2 dissociates to OH groups that serve as terminals for the molecules.) Express your answer to three significant digits. vec ? The mass of HO2 needed would be g.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter10: Fuels, Organic Chemicals, And Polymers

Section10.6: Synthetic Organic Polymers

Problem 10.7PSP

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This polymer is composed of 2 monomer units: an acid chloride and an amine. In the box below, draw the structure of both monomers. (8-10 C (CH₂)6-C CH₂ 어 H n • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Do not include lone pairs in your answer. They will not be considered in the grading. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate structures with + signs from the drop-down menu.
Methyl methacrylate (or methyl 2-methylpropenoate in proper IUPAC nomenclature) is the starting material for the syntheses of poly(methyl methacrylate), also known as PMMA. The monomer is expressed as CH2=CH- COOCH3. Calculate the molecular weight of PMMA for which the degree of polymerization, n, is 5112. Express your answer in kilograms per mole. 0.10012 0.10012 Calculate the approximate stretched-out chain length of one of the chains, taking the C-C bond length to be 1.54 angstroms and ignoring the large side group's effect. Express your answer in microns. 45 45
The number-average molecular weight of a polypropylene is 1241772 g/mol. Compute the degree of polymerization. Round your answer to 2 significant figures
In addition to their use in water treatment, ion-exchange resins are used to extract Au, Ag, and Pt ions from solution. Oneof the most common resins consists of a polymer with abenzene-containing backbone to which sulfonic acid groups(–SO₃H) are then added. (a) What monomer can be used toprepare the polymer backbone? (b) This polymer typically con-tains 4–16% crosslinking. Draw the structure of the benzene-containing monomer used to crosslink the polymer.
(d) A sample of head-to-tail polypropylene was found to have an average molar mass of 33,000. Ignoring the identity of the end groups, calculate the average degree of polymerization, n.
(4) Polybenzimidazoles are made by a two-stage step-growth melt polymerization: H2N- - NH2 -H20 H2N NH2 -фон What extent of reaction is needed to produce n = 200 in the above formula? Carry four decimal places in your answer.
The ε-caprolactone monomer from which the biopolymer polycaprolactone (PCL) is synthesized is depicted below. (a) What is the monomer's function? (b) What is the polymerization mechanism that results in the formation of PCL? (c) Define/Illustrate the homopolymer's repeating unit provided that the functional group is placed at the hydrocarbon chain's terminal position.
The number-average molecular weight of a polymer with the repeat unit shown below is 1685849 g/mol. Compute the degree of polymerization. (express in whole number) repeat unit F • # C-C- TI Molar Mass: Carbon 12.01 g/mol Chlorine 35.45 g/mol Fluorine 19.00 g/mol Hydrogen 1.008 g/mol Oxygen 16.00 g/mol -F
3. Draw the repeating unit for the condensation polymer formed from the following monomers: (a) C,H;CH(NH2)COOH (b) H2N(CH2);COOH (c) H2N(CH2)6NH2 and (d) CH2OHCH2OH and HOOCC6H&COOH CIOCC6H4COCI
The number-average molecular weight of a polymer is 1775380 g/mol. Compute the degree of polymerization. (express in whole number) repeat unit is: ... HH || -C-C- I T H CH₂ Molar Mass: Carbon 12.01 g/mol Chlorine 35.45 g/mol Fluorine 19.00 g/mol Hydrogen 1.008 g/mol Oxygen 16.00 g/mol
The following diagram shows a polymer with four repeating units. Identify the correct monomer that was needed to form this polymer. H3 H₂ нснснсн | | | | с-с-с-с-с-с-с-с+ | | | | | | нннннн Н T a) С н-с-с Oc) H₂C Н- T H Н Н Н Н Н C- Г -C H CH3 Н O d) Н Н Н Ж H Н Н Н Н н н CH3 На C-H H HU I Н Н Н С -с-с-H A н н
For the following monomer or polymer molecules below, identify whether synthes will more likely involve addition polymerization reaction or condensation polymerization reaction: NOTE: Your answers must be in CAPITAL LETTERS ONLY. EX. POLYMERIZATION MONOMER/POLYMER POLYMERIZATION REACTION . CH2=CH-C=N CH2=CH-CI он OH TYL NH2-CH2-COOH+ H2N-CO-(CH2)2- CH(NH2)-COOH HHHH HHHHH -C-C-C- -C -C-C-C- H H H H HH H H H H

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