Polymers

Question 1

Polymers

Answer 1

large molcules built up from many smaller molecules called monomers

Question 2

example of addition polymerisation

Answer 2

the formation of poly(ethene)using ethene monomers

Question 3

what are plastics made from?

Answer 3

polymers

Question 4

environmental challenges caused by plastics

Answer 4

• disposal in land fill sites
• accumulation in oceans
• formation of toxic gases from burning

Question 5

structure or repeat unit of polyamides

Answer 5

dicarboxylic acid and a diamine

Question 6

structure or repeat unit of polyesters

Answer 6

dicarboxylic acid and a diol

Question 7

differences between addition and condensation polyermisation

Answer 7

addition has no by products, whereas condensation leads to the formation of small molecules (H2O, HCl, NH3)

Question 8

nylon is a

Answer 8

polyamide

Question 9

pet is a

Answer 9

polyester

Question 10

describe proteins

Answer 10

natural polyamides and are formed from amino acid monomers

Question 11

Diol

Answer 11

an alcohol containing two hydroxyl groups in its molecule

Question 12

diamine

Answer 12

a compound containing two amino groups

Question 13

amide formula

Answer 13

-NHCO-