Section 3 - Polymers
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9 Terms
What determines polymer properties?
Monomer structures and intermolecular forces
What kind of IMF did you identify in the polymer lab?
hydrogen bonding
What is a polymer?
Macromolecule
What is a polymer made up of?
Many repeated subunits - aka monomers
What is an example of a natural polymer?
Proteins
What is an example of a synthetic polymer?
Plastics
A polymer formed from alkene monomers is made using:
An addition reaction
Polypropylene is a polymer with a density of 0.89 g/mL.
Review the density table given and identify the expected observations if polypropylene is added to a beaker containing each liquid.
Liquid | Density (g/mL) |
|---|---|
water | 1.00 |
methanol | 0.79 |
ethanol | 0.79 |
hexane | 0.66 |
Polypropylene will float in water.
Polypropylene will sink in ethanol.
Why do alcohols dissolve in water?
Alcohols dissolve in water because their O–H bonds can hydrogen bond with water.
Note 
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