Fuels And Earth Science Flashcards
What is crude oil
A complex mixture of different hydrocarbons
What can crude oil be separated out into
Fractions
How are the different fractions in crude oil separated out
Using fractional distillation
What is petrol used for
Fuel in cars
What is kerosene used for
Fuel in aircraft
What is diesel oil used for
Used as a fuel in some cars and larger vehicles eg. Trains
What are hydrocarbons
Compounds which contain just carbon and hydrogen
What is fuel oil used for
It is used as a fuel for large ships and in some power stations
What is bitumen used for
To surface roads and roofs
What is a homologous series
A family of molecules which have the same general formula and share similar chemical properties
What does the size of a hydrocarbon determine
Which fraction of crude oil that it will separate into
What does cracking do
Turns long saturated molecules into smaller unsaturated molecules
What are alkanes
Saturated molecules
What are alkenes
Unsaturated molecules
What is thermal decomposition
When one substance breaks down into at least two new ones when you heat it