1. Repeating units in each structure
a. Monomer: 1
b. Dimer: 2
c. Trimer: 3
d. Polymer: unlimited
3. Natural polymers: cellulose, starch, nucleic acids, peptides
Synthetic polymers: polyethylene, polypropylene, polyurethane, polystyrene
6. The term "unsaturated" is used to describe alkenes and alkynes because they have other than single bonds within their structures. Alkenes have a double bond and Alkynes have a triple bond.
13.
11.
a. II
b. III
c. I
d. II
12. The other 75% is lost in heat, which is why the engine is so inefficient.
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