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Organic Chemistry Module 8 Portage 219 100 VERIFIED SOLUTIONS

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Organic Chemistry Module 8 Portage 219 100% VERIFIED SOLUTIONS large molecule made by repetitive linking of smaller units (monomers) very large molecule composed of thousands of covalently bonded atoms (ex: polymer) two ways polymers are made natural polymers synthetic polymers 3 main ways ...

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  • April 4, 2024
  • 15
  • 2023/2024
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Organic Chemistry Module 8 Portage 219 100%
VERIFIED SOLUTIONS

1). Large molecule made by repetitive linking of smaller units (monomers)

 Ans: Polymer


2). Very large molecule composed of thousands of covalently bonded atoms (ex: polymer)

 Ans: Macromolecule


3). Two ways polymers are made

 Ans: 1. natural (in nature)
2. synthetic (in lab)


4). Natural polymers

 Ans: rubber, carbs: starch & cellulose, proteins, nucleic acids DNA, RNA


5). Synthetic polymers

 Ans: nylon, teflon, styrofoam, polyethylene, Dacron,


6). 3 main ways to differentiate polymers

 Ans: 1. method of formation
2. final composition
3. stereochemical orientation


7). Two classifications of synthetic polymers

 Ans: 1. chain-growth
2. step-growth


8). Chain growth polymers are also know as:




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,  Ans: addition polymers


9). How are chain growth polymers made?

 Ans: made by addition of one monomer unit to another in a repetitive pattern


10). A polymerization involving sequential addition to monomers that are unsaturated (c=c) or
have some other reactive functional groups (particularly ethylene and derivatives)

 Ans: chain growth polymerization


11). What 2 things stops chain growth polymerization?

 Ans: 1. intervention
2. consumption of all available monomers


12). Chain-growth
polymer: polytetrafluoroethylene
monomer: f2c=cf2
nonstick coating, goretex, electrical insulator, chem-resistant coating

 Ans: Teflon


13). Chain-growth
polymer: polyvinylidenedichloride
monomer: h2c=ccl2
cling-wrap

 Ans: Saran


14). Chain-growth
polymer: polypropylene
monomer: h2c=chch3
carpet fibers, car parts, toys, packaging, houseware

 Ans: Polypropylene


15). Chain-growth
polymer: polyacrylonitrile
monomer: h2c=ch(cn)
textiles/fibers, carpets, upholstery


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