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Organic Chemistry Module 8 Portage 219 TEST EXAM FINALS QUESTIONS WITH 100% VERIFIED SOLUTIONS $10.99   Add to cart

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Organic Chemistry Module 8 Portage 219 TEST EXAM FINALS QUESTIONS WITH 100% VERIFIED SOLUTIONS

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  • Organic Chemistry Module 8 Portage 219

Organic Chemistry Module 8 Portage 219 TEST EXAM FINALS QUESTIONS WITH 100% VERIFIED SOLUTIONS Polymer - ANSWER large molecule made by repetitive linking of smaller units (monomers) Macromolecule - ANSWER very large molecule composed of thousands of covalently bonded atoms (ex: polymer)...

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  • October 16, 2023
  • 15
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
  • organic chemistry
  • Organic Chemistry Module 8 Portage 219
  • Organic Chemistry Module 8 Portage 219

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Organic Chemistry Module 8 Portage 219 TEST EXAM FINALS QUESTIONS WITH 100% VERIFIED SOLUTIONS Polymer - ANSWER large molecule made by repetitive linking of smaller units (monomers) Macromolecule - ANSWER very large molecule composed of thousands of covalently bonded atoms (ex: polymer) 1. natural (in nature) 2. synthetic (in lab) - ANSWER two ways polymers are made rubber, carbs: starch & cellulose, proteins, nucleic acids DNA, RNA - ANSWER natural polymers nylon, teflon, styrofoam, polyethylene, Dacron, - ANSWER synthetic polymers 1. method of formation 2. final composition 3. stereochemical orientation - ANSWER 3 main ways to differentiate polymers 1. chain -growth 2. step -growth - ANSWER Two class ifications of Synthetic polymers addition polymers - ANSWER chain growth polymers are also know as: made by addition of one monomer unit to another in a repetitive pattern - ANSWER How are chain growth polymers made? chain growth polymerization - ANSWER A polymerization involving sequential addition to monomers that are unsaturated (C=C) or have some other reactive functional groups (particularly ethylene and derivatives) 1. intervention 2. consumption of all available monomers - ANSWER what 2 things stops chain growth polymerization? Teflon - ANSWER chain -growth polymer: polytetrafluoroethylene monomer: F2C=CF2 nonstick coating, goretex, electrical insulator, chem -resistant coating Saran - ANSWER chain -growth polymer: polyvinylidenedich loride monomer: H2C=CCl2 cling-wrap Polypropylene - ANSWER chain -growth polymer: polypropylene monomer: H2C=CHCH3 carpet fibers, car parts, toys, packaging, houseware Orlon, Acrilan, Creslan - ANSWER chain -growth polymer: polyacrylonitrile monomer: H2C=CH(CN) textiles/fibers, carpets, upholstery Polyvinyl Acetate - ANSWER chain -growth polymer: polyvinyl acetate monomer: H2C=CH(OCOCH3) elmers glue, silly putty, latex paints Polyvinyl alcohol - ANSWER chain -growth polymer: polyvinyl a lcohol monomer: H2C=CH(OH) eye med - artificial tears Plexiglass (Lucite) - ANSWER chain -growth polymer: polymethylmethacrylate monomer: H2C=C9CH3)COOCH3 clear plastic sheets , blocks, and tubing the final polymer retains all of the atoms of the mon omer - ANSWER The defining characteristic of chain -growth polymers step growth polymerization - ANSWER formed by the reaction between 2 different functional groups on different monomer molecules with the accompanying loss of some small molecule (typically water) The final polymer chain does NOT include all the atoms initially present in the monomer molecules - ANSWER The defining characteristic of step -growth polymers

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