C1 chemistry

HideShow resource information
what are fossil fuels?
Finite resources as they are no longer being made or being made very slowly
1 of 17
why are fossil fuels a non-renewable source?
as they are being used faster than they are being formed -
2 of 17
what are the specific difficulties associated with crude oil?
-readily extractable resources will be used up in future and finding replacements
3 of 17
what is hydrocarbons made up of?
lots of different of different molecules containing carbon and hydrogen only
4 of 17
what is crude oil a mixture of?
many types of oils
5 of 17
where is crude oil heated on a fractionating column?
on the bottom
6 of 17
what is bitumen?
oil that doesn't boil, sinks that sinks to the bottom
7 of 17
it has a very ................
high boiling point
8 of 17
From bottom to top, what is the order of the fractionating column?
Bitumen, fuel oils, heating oils, diesel, paraffin, petrol and LPG
9 of 17
the column is ...... at the top and ...... at the bottom
cooler, hotter
10 of 17
why can crude oil be separated?
hydrocarbons in different fractions have different sized molecules
11 of 17
what is breaking during boiling?
intermolecular forces
12 of 17
a lot of ...... is needed to break the molecules of bitumen and heavy oils
energy
13 of 17
why are the molecules easily separated in a substance like petrol?
as they have weak attractive forces
14 of 17
why can transporting oils cause problems?
it can damage bird feathers and cause their deaths. also clean up operations can damage wildlife.
15 of 17
what is cracking?
a process that turns alkane molecules into smaller alkane and alkene molecules.
16 of 17
what does an alkene molecule have?
a double bond
17 of 17

Other cards in this set

Card 2

Front

why are fossil fuels a non-renewable source?

Back

as they are being used faster than they are being formed -

Card 3

Front

what are the specific difficulties associated with crude oil?

Back

Preview of the front of card 3

Card 4

Front

what is hydrocarbons made up of?

Back

Preview of the front of card 4

Card 5

Front

what is crude oil a mixture of?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Paints and oils resources »