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chemisty test > plastics > Flashcards

plastics Flashcards

1
Q

What is a thermosoftening plastic?

A

SOFTENS WHEN HEATED AND CAN BE RESHAPED

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2
Q

WHATS A THERMOSETTING PLASIC

A

HARDEN ON HEATING AND DONT MELT

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3
Q

WHAT DO ALL PLASTICS PRODUCE WHEN THEY BURN

A

TOXIC GASES

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4
Q

WHAT GAS DO GENERAL PLASTICS PRODUCE WHEN THEY BURN

A

CARBON MONOXIDE

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5
Q

WHAT CAN WE USE THERMOSETTING PLASTICS FOR

A

WORKTOPS AND ADHESTIVE RESINS

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6
Q

WHAT IS A POLYMER

A

A LARGE MOLECULE MADE BY JOINING SMALLER MOLECULES CALLED MOMOMERS

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7
Q

WHAT IS ADDITION POLYMERISATION

A

JOINING SMALL UNSATURATED MOLECULES (MONOMERS)

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8
Q

IS PLASTIC A POLYMER

A

YES

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9
Q

WHAT IS ADDITION REACTION

A

WHEN ONE MOLECULE JOINS WITH ANOTHER TO FORM ANOTHER MOLECULE WITH NO OTHER PRODUCTS

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10
Q

WHAT DOES CATALYTIC CRACKING PRODUCE

A

SMALLER MOLECULES SOME OF WHICH ARE UNSATURATED

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11
Q

WHAT IS ADDING HALOGENS TO ALKANES CALLED

A

HALOGENATION

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12
Q

WHAT IS ADDING BROMINE TO HYDROCARBONS USED FOR

A

TO TEST FOR UNSATURATION

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13
Q

AN ALKENE ADD HYDROCARBONS EQUALS..

A

ALKANE

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14
Q

WHAT IS CATALYTIC CRACKING

A

SEPERATING LONG CHAIN HYDROCARBONS INTO SMALLER MORE USEFUL MOLECULES

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15
Q

WHAT IS AN ISOMER

A

MOLECULES WITH THE SAME MOLECULAR FORMULA AND DIFFERENT STRUCURAL FORUMA

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16
Q

WHAT DOES A CATALYST DO

A

ALLOWS REACTIONS TO TAKE PLACE AT LOWER TEMPERATURES

17
Q

WHAT DOES SATURATED AND UNSATURATED MEAN

A

SINGLE C-C BOND

AND DOUBE OR MORE C-C BOND

18
Q

WHAT IS INCOMPLETE COMBUSTION

A

WHEN COMBUSTION OCCURS WITH TO LITTLE OXYGEN

19
Q

WHAT ARE THE PROUCTS OF COMBUSTION

A

CO2 AND WATER

20
Q

WHEN IS CARBON MONOXIDE PRODUCED

A

WHEN HYDROCARBONS BURN IN NOT ENOUGH OXYGEN

21
Q

WHAT IS A CATALYTIC CONVERTER

A

CHANGES HARMFUL SUBSTANCES INTO LESS HARMFUL SUBSTANCES

22
Q

WHAT IS FRACTIONAL DISTILLATOON

A

SEPERATION OF CRUDE OIL INTO FRACTIONS BASED ON BOILING POINT

23
Q

WHAT IS COMBUSTION

A

A REACTION IF A SUBSTANCE IN OXYGEN WHICH RELEASES ENERGY

24
Q

HOW IS COAL FORMED

A

VEGETATION SWAMPS MUD

25
Q

WHAT ARE FOSSIL FUELS

A

SUBSTANCES FORMED BY PLANT AND ANIMAL MATERIAL OVER A LONG PERIOD OF TIME

26
Q

WHAT IS A FUEL

A

A SUBSTANCE WHICH RELEASES ENERGY ON BURNING

27
Q

NAME THE FIRST 8 ALKANES

A

METHANE ETHANE PROPANE BUTANE PENTANE HEXANE HEPTANE OCTANE

28
Q

WHAT IS A HOMOLOGUS SERIES

A

A FAMILY OF COMPOUNDS WITH THE SAME GENERAL FORMULA AND SIMILAR CHEMICAL PROPERTIES

29
Q

WHY DOES CRACKING PRODUCE A MIX OF HYDROCARBONS

A

BECAUSE THERE ISNT ENOUGH HYDROGEN

30
Q

WHAT IS AN EXOTHERMIC REACTION

A

A CHEMICAM REACTION THAT RELEASES HEAT/ENGERY

31
Q

HYDROCARBO + OXYGEN———>

A

CARBON DIOXIDE

32
Q

BOILING POINTS INCREASE/DECREASE AS MOLECULAR SIZE INCREASES

A

INCREASE

chemisty test (1 decks)

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