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)...
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller EWLindy. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R193,61. You're not tied to anything after your purchase.
