Chemistry 102 | Exam I

Front 1

DDT

Back 1

persistent pesticide

Front 2

glucose

Back 2

carbohydrate

Front 3

legume

Back 3

plant with nitrogen-fixing bacteria

Front 4

nicotine

Back 4

natural toxin

Front 5

oxygen

Back 5

reactant in animal cell respiration

Front 6

carbon dioxide

Back 6

reactant in photosynthesis

Front 7

polytetrafluoroethylene

Back 7

non-stick pan coating (Teflon)

Front 8

styrene-butadiene copolymer

Back 8

rubber for auto tires (SBR)

Front 9

ethanol

Back 9

beverage component

Front 10

ammonia

Back 10

used to make fertilizer or explosives

Front 11

HDPE

Back 11

high density polyethylene

Front 12

LDPE

Back 12

low density polyethylene

Front 13

LLDPE

Back 13

linear low density polyethylene

Front 14

PETE

Back 14

polyethylene telephtholate

Front 15

IPM

Back 15

integrated pest management

Front 16

name the synthetic polymer:
indoor-outdoor carpeting

Back 16

polypropylene

Front 17

name the synthetic polymer:
soft-textured sweater that releases cyanide when burned

Back 17

polyacrylonitrile

Front 18

name the synthetic polymer:
automobile tire

Back 18

elastomer

Front 19

name the synthetic polymer:
panty hose

Back 19

nylon

Front 20

name the synthetic polymer:
soft-drink bottle

Back 20

polyester resin

Front 21

name the synthetic polymer:
non-stick pan coating

Back 21

teflon

Front 22

name the synthetic polymer:
bullet-proof vest

Back 22

kevlar

Front 23

name the synthetic polymer:
kitchen counter

Back 23

formaldehyde resin

Front 24

name the synthetic polymer:
plastic plumbing

Back 24

polyvinyl chloride

Front 25

name the synthetic polymer:
swimming pool liners

Back 25

polyvinyl chloride

Front 26

name the monomer used:
polyethylene

Back 26

ethylene

Front 27

name the monomer used:
PVC

Back 27

vinyl chloride

Front 28

name the monomer used:
Teflon

Back 28

tetrafluoroethylene

Front 29

name the monomer used:
Orlon

Back 29

acrylonitrile

Front 30

name the monomer used:
polypropylene

Back 30

propylene

Front 31

name the monomer used:
polystyrene

Back 31

styrene

Front 32

spinneret

Back 32

a device used to force polymers into fibers

Front 33

vulcanized rubber

Back 33

a stronger polymer converted from regular rubber polymers

Front 34

homopolymer

Back 34

polymers made from only one type of monomer

Front 35

condensation reaction

Back 35

chemical reaction where two moletcules form one molecule

Front 36

cold-drawn fiber

Back 36

process that strengthens material (ex. nylon)

Front 37

oriented polymer

Back 37

stronger than randomly scattered polymers

Front 38

what two monomers form the copolymer SBR rubber?

Back 38

styrene & butadiene

Front 39

why was nylon needed/discovered during WWII?

Back 39

needed them for parachutes, rope and military equipment (lack of silk)

Front 40

why was synthetic rubber needed/discovered during WWII?

Back 40

tires; Japan controlled all rubber-production facilities in the Pacific so scientists worked on creating rubber.

Front 41

what characteristics of thermoplastic polymers make them good for recycling?

Back 41

melt when heated then assume their original solidarity

Front 42

what precautions should be taken in factories using formaldehyde resins?

Back 42

out-gassing (formaldehyde gas irritates humans and may cause cancer)

Front 43

why are Acrilan fabrics unsuitable for use in airplanes?

Back 43

releases the deadly gas hydrogen cuanide when burned

Front 44

why is formaldehyde useful for embalming?

Back 44

it's highly reactive and promotes cross-linking within proteins in the body

Front 45

name a non-organic synthetic polymer

Back 45

silicon - chemically & thermally stable, used in silly putty and plastic surgery.

Front 46

alternating copolymer

Back 46

ABABABAABABAB

Front 47

ideal copolymer

Back 47

AAABBABBAABBAABAB

Front 48

block copolymer

Back 48

AAAAAABBBBAAAAAABBBBBB

Front 49

most common use of thermoplastics?

Back 49

plastic bottles

Front 50

most common use of thermosetting resins?

Back 50

formica, cabinets

Front 51

which is produced in greater quantities: thermoplastic or thermosetting resin?

Back 51

thermoplastics

Front 52

how does entropy affect the behavior of a rubber band?

Back 52

entropy is the measure of the disorder of a system (rubber bands are stretched to their limits and go back to their original state)

rubber bands do not have strong intermolecular forces or have highly polar groups

Front 53

name three situations where polymers were unexpectedly created

Back 53

- teflon (gas ---> solid)
- neoprene/SBR rubber (WWII)
- cold-drawing fibers (nylon-66)

Front 54

what elements can represent X in the halide equation (R--X)?

Back 54

F, Cl, Br, I

Front 55

are halides water soluble?

Back 55

no

Front 56

what is methanol used for?

Back 56

wood alcohol, fuel

Front 57

what is ethanol used for?

Back 57

beverage alcohol

Front 58

what is isopropanol used for?

Back 58

Rubbing alcohol

Front 59

what is Ethylene glycol used for?

Back 59

Antifreeze

Front 60

what is Glycerol (glycerin) used for?

Back 60

Moisturizer

Front 61

what is acetic acid used for?

Back 61

vinegar

Front 62

is
CH3OH
water soluble?

Back 62

yes

Front 63

is
CH3Cl
water soluble?

Back 63

no

Front 64

is
CH3NH2
water soluble?

Back 64

yes

Front 65

is
CH3COOH
water soluble?

Back 65

yes

Front 66

is
CFCl3
water soluble?

Back 66

no

Front 67

is
CH3CH2OH
water soluble?

Back 67

yes

Front 68

is
C17H35COOH
water soluble?

Back 68

no

Front 69

is vitamin A soluble in water?

Back 69

no

Front 70

is vitamin C soluble in water?

Back 70

yes