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GCSE AQA Chemistry > C11 - Polymerisation > Flashcards

C11 - Polymerisation Flashcards

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1
Q

polymers

A

a substance made from very large molecules
- made up of many repeating parts

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2
Q

monomer

A

small reactive molecules
-react together in repeating sequences to form polymers

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3
Q

ethene

A

smallest unsaturated hydrocarbon
-used in polythene

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4
Q

polythene use

A

plastic bags
bottles
cling film

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5
Q

poly(propene) use

A

rope
carpet
tougher plastic

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6
Q

forming polymers

A

alkene’s double carbon bond opens up
-thousands of molecule attac

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7
Q

addition polymerisation atom economy

A

100%
-as only one product is made

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8
Q

examples of products made from condensation polymerisation

A

polyester
nylon

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9
Q

nylon

A

strong
lightweight

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10
Q

condensation polymerisation

A

-makes 2 products
polymer and small molecule

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11
Q

condensation polymerisation small molecule

A

H20
HCL

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12
Q

Addition polymerisation

A

addition polymer

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13
Q

condensation polymerisation

A

condensation polymer + small molecule

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14
Q

Polyester

A

-1 alcohol monomer
-1 carboxylic acid monomer

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15
Q

General formula for polyester

A

diol + dicarboxylic acid = polyester + water

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16
Q

di in dicarboxylic acid

A

means 2 -COOH groups

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17
Q

nylon’s small molecule

A

HCL

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18
Q

condensation polymerisation monomers

A

-2 diff monomers (OH and COOH)
-2 same functional groups (2 -OH and 2 -COOH)

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19
Q

glucose formula

A

C6H12O6

20
Q

carbohydrates formula

A

Cx (H2O)y

21
Q

monosaccharide

A

monomers for polysaccharides

22
Q

eg of monosaccharide

A

glucose
-one sugar unit

23
Q

eg of polysaccharides

A

starch
cellulose

24
Q

cellulose chain configuration

A

-straight chains
-neatly stacked
-stronger inter molecular forces

25
Q

starch chain configuration

A

branched chains
-more gaps than cellulose

26
Q

glucose monomers = starch

A

starch polymers and water

27
Q

glucose monomers = cellulose

A

cellulose polymers and water

28
Q

starch use

A

plant’s energy stores

29
Q

cellulose use

A

plant structure (cell wall)

30
Q

monomers for Protein polymers

A

amino acids

31
Q

amino acids

A

-20 variations
-2 functional groups

32
Q

2 functional groups of amino acids

A

amine group
carboxylic acids

33
Q

amine group

A

-NH2

34
Q

glycine (amino acid)

A

links to form polypeptide molecule

35
Q

peptide links

A

between amino acids to form proteins

36
Q

deoxyribonucleic acid

A
  • DNA
    contains genetic code that determines amino acid sequence for proteins
37
Q

DNA is which type of polymerisation

A

condensation polymerisation
-water = small molecule

38
Q

monomer for DNA

A

nucleotides

39
Q

DNA structure

A

double helix
2 long strands of polynucleotides
-held together by inter molecular forces

40
Q

nucleotides are made from

A

-sugar (deoxyribose)
- phosphate
and base

41
Q

4 types of bases for DNA

A

-A
-T
G
C

42
Q

Dna pairs

A

always a and t
always g and c

43
Q

DNA base T

A

thymine

44
Q

DNA base A

A

adenine

45
Q

DNA base G

A

Guanine

46
Q

DNA base C

A

cytosine

GCSE AQA Chemistry (36 decks)

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