Answered: write the chemical structure of the…

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

Section: Chapter Questions

Problem 126QRT

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Polyethylene (PE), polyvinylchloride (PVC), polypropylene (PP), polystyrene, an nylon are examples of
Hydrogen bonding between polyamide chains plays animportant role in determining the properties of a nylonsuch as nylon 6,6 (Table 12.6). Draw the structuralformulas for two adjacent chains of nylon 6,6 and showwhere hydrogen-bonding interactions could occur betweenthem.
Linear polyethylene; lightly branched isotactic polypropylene State whether it is possible to determine whether one polymer is more likely to crystallize than the other. If it is possible, note which is the more likely and then cite reason(s) for your choice. If it is not possible to decide, state why.
What molecular structural features cause high-density polyethyleneto be denser than low-density polyethylene?
High-density polyethylene (HDPE) is opaque while low-density polyethylene (LDPE) is transparent. Briefly explain this phenomenon in terms of structure.
The density difference between low and high-density polyethylene is a result of the difference between branching in the polymer structures at the molecular level. Which of these two polymers tend to be more flexible and is used for lids of containers such as butter tubs?
What role can craze formation play in toughening of an amorphous polymer? What role can crazing play in weakening an amorphous polymer?
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.
a) Calculate the % atom economy for the addition polymerization of polyethylene, where 280.5 g of ethylene monomers react to produce 280.5 g of polyethylene. b) Calculate the % atom economy for the condensation polymerization of nylon-6,6, where 116.21 g of hexamethylendiamine monomers and 183.03 g of adipoyl chloride monomers react together to produce 226.32 g of nylon-6,6 product and 72.92 g of hydrogen chloride waste.
what is floor temperature in thermodynamics of polymerization with the explaination of floor temperature corelatted with polymers
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.
The heat of fusion of polyethylene is approximately 7.7 kJ/mol, and the corresponding entropy is 19 J mol-1 K-1. Use these data to estimate the melting point of polyethylene.

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write the chemical structure of the alternating copolymer of Nylon 6 and Nylon 8