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Crude Oil C1

Properties and uses of crude oil

What is an alkane? Chains or carbon atmons surrounded by hydrogen atoms
What are the first four alkanes? • Methaen • Ethane • Propane •Butane
What differences do these alkanes have? Their chains are all different lengths
What does saturated mean? The atoms have formed bonds with as many other atoms as possible
What is the formula for alkanes? CnH2n+2
If a molecule is shorter what would the properties of the alkane be?(4) • More runny • More volatile • More flammable • Less viscous
What does volatile mean? The temperature at which the atoms turn in to a gas
What does the volatility help decide? Which fraction the atoms are best used for
How does the viscosity help decide which fraction its used at? More gloopy= good for lubrication etc.
Why is long molecules useful for petrol? Because it has a higher boiling point so can safely be stored in the engine and also easily vaporises in the engine
Created by: GuyBrazier
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