polymers

Question 1

condensation polymer

Answer 1

small inorganic molecule released

Question 2

polyamide

Answer 2

between dicarboxylic acids and diamines

Question 3

nylon

Answer 3

polyamide
1,6-diaminohexane and hexanedioic acid
carpet, clothing and ropes

Question 4

kevlar

Answer 4

1,4-dicarboxylic acid 1,4-diaminobenzene
bullet proof vests, boats

Question 5

polyesters

Answer 5

alcohols and carboxylic acid

Question 6

terylene

Answer 6

polyester
benzene-1,4-dicarboxylic acid and ethane-1,2-diol

Question 7

why are condensation polymers generally stronger than addition polymers

Answer 7

hydrogen bonding

Question 8

disadvantages to landfill

Answer 8

can release methane (greenhouse gas)
lots of land
waste decomposes and releases toxins which may run off by water

Question 9

pros to landfill

Answer 9

cheap and easy

Question 10

pros to burning plastics

Answer 10

can be used to provide energy

Question 11

cons to burning plastics

Answer 11

releases toxic gases if burnt things with chlorine in etc
greenhouse gases (CO2)

Question 12

pros of recycling plastics

Answer 12

plastics made from finite resources so good use
reduces landfill waste
cheaper than making plastics from scratch
less CO2 than burning

Question 13

cons of recycling plastics

Answer 13

difficult to sort/time consuming
expensive
more expensive than landfill
easily contaminated