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Topic 20: Fuels (Crude oil (Formed millennia ago, Made up of dead animals,…
Topic 20: Fuels
Crude oil
Formed millennia ago
Made up of dead animals
Extremely useful
Force from ground above them causes them to turn into oil
Alkanes
Are Hydrocarbons
They only contain single covelant bonds
They are a homologous series
They have the same general formula
They have similar chemical properties
The molecular formula of neighbouring compounds differ by CH2
Cracking
Chop large hydrocarbons in half
Makes an Akenes, which have a double bond
Hydrocarbons
Made up of Hydrogen + Carbons
They are connected with covelant bonds
Combustion
Incomplete
happens when not enough oxygen
Produces Carbon
Produces carbon monoxide
Produces water
Soot is produced
Complete
Carbon dioxide is produced
Produces water
Fractional distillation
Separated using their different boiling points