Modify the monomers to create one repeat unit of the polymer.SelectDrawTemplatesMoreErase//////CNClHHНClنمنQ2Q O Macmillan LearningChemistry: Fundamentals and PrinciplesDavidsonpresented by Macmillan LearningPoly(ethylene terephthalate), known as PET or industrially as Dacron, is a polyester synthesized through a condensation reactionbetween two bifunctional monomers. The monomers, ethylene glycol and terepthalic acid, are given.Add bonds and remove atoms as necessary to show the structure of a two repeat unit portion of a longer polymer chainof PET. You may need to zoom out to see the complete structure of all four monomer units.SelectDraw/ || |CH03©TemplatesMore°°°||CCC - OHHOOHHOC - CEraseCC OHHO CC〃CH₂Q2Q

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Answered: Modify the monomers to create one…

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter22: Organic Chemistry And Biochemistry

Section: Chapter Questions

Problem 9QE

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During our lectures on polymeric materials, I used polyethylene as an example because of its very straightforward structure. (a.) Hydrogen peroxide (H2O2) is used as an initiator for the polymerization of ethylene. Draw a diagram of a dissociated hydrogen peroxide molecule which emphasizes the creation of two free radicals (unbonded electrons) that can serve as initiators or as terminators of polymerization.
Proteins are naturally occurring polymers formed by condensationreactions of amino acids, which have the generalstructureIn this structure, ¬R represents ¬H, ¬CH3, or anothergroup of atoms; there are 20 different natural amino acids,and each has one of 20 different R groups. (a) Draw the generalstructure of a protein formed by condensation polymerizationof the generic amino acid shown here. (b) When only afew amino acids react to make a chain, the product is called a“peptide” rather than a protein; only when there are 50 aminoacids or more in the chain would the molecule be called a protein.For three amino acids (distinguished by having three differentR groups, R1, R2, and R3), draw the peptide that resultsfrom their condensation reactions. (c) The order in which theR groups exist in a peptide or protein has a huge influence onits biological activity. To distinguish different peptides andproteins, chemists call the first amino acid the one at the “Nterminus” and the last one the one at…
Proteins are naturally occurring polymers formed by condensationreactions of amino acids, which have the generalstructure In this structure, — R represents — H, — CH3, or anothergroup of atoms; there are 20 different natural amino acids,and each has one of 20 different R groups. (a) Draw the generalstructure of a protein formed by condensation polymerizationof the generic amino acid shown here. (b) When only afew amino acids react to make a chain, the product is called a“peptide” rather than a protein; only when there are 50 aminoacids or more in the chain would the molecule be called a protein.For three amino acids (distinguished by having three differentR groups, R1, R2, and R3), draw the peptide that resultsfrom their condensation reactions. (c) The order in which theR groups exist in a peptide or protein has a huge influence onits biological activity. To distinguish different peptides andproteins, chemists call the first amino acid the one at the “Nterminus” and the last one the…
into the book. Write a concise definition of each, using examples as appropriate.
Acetylene is a very weak acid; however, it will react with moist silver(I) oxide and form water and a compound composed of silver and carbon. Addition of a solution of HCl to a 0.2352-g sample of the compound of silver andcarbon produced acetylene and 0.2822 g of AgCl.(a) What is the empirical formula of the compound of silver and carbon?(b) The production of acetylene on addition of HCl to the compound of silver and carbon suggests that the carbon is present as the acetylide ion, C22− . Write the formula of the compound showing the acetylide ion.
Poly(ethylene terephthalate), known as PET or industrially as Dacron, is a polyester synthesized through a condensation reaction between two bifunctional monomers. The monomers, ethylene glycol and terepthalic acid, are given. Add bonds and remove atoms as necessary to show the structure of a two repeat unit portion of a longer polymer chain of PET.
High density polyethylene (HDPE) and low density (LDPE) both are made from the same monomer (-CH2-)a one is transparent in appearance and one is whitish in colour. Identify which polymer has the transparent characteristic and which has the whitish colour and explain why such behavior is observed.
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
Poly(ethylene terephthalate), known as PET or industrially as Dacron, is a polyester synthesized through a condensation reaction between two bifunctional monomers. The monomers, ethylene glycol and terepthalic acid, are given. Add bonds and remove atoms as necessary to show the structure of a two repeat unit portion of a longer polymer chain of PET. You may need to zoom out to see the complete structure of all four monomer units. Select Draw Rings More Erase H HO - c- C - OH HO - C- -C- OH C - OH HO -C OF H. H.
(a) Describe the structure of each of the categories of polymers below. Thermoplastics: Thermosets: Elastomers: (b) Of the above polymers, which behaves most like a ceramic? Explain your answer
Using poly(propylene) as an example, please explain ‘tacticity’ in polymers, and ‘tacticity’ arises in polymer chemistry.
Calculate the enthalpy of formation of propane from:a. Combustion data (ΔHc = –2217 kJ mol–1; ΔHf (CO2) = –393.4 kJ mol–1, ΔHf (H2O) =–285.2 kJ mol–1);b. Bond enthalpies (C–C 348 kJ mol–1; C–H 413 kJ mol–1; H–H 436 kJ mol–1; ΔHvap forcarbon = –717 kJ mol–1).

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