This section covers crude oil as a hydrocarbon mixture and why separating it makes its components more useful.
Crude oil (petroleum): a hydrocarbon mixture in which alkanes make up the largest share.
The method used to separate these groups is fractional distillation.
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| Hydrocarbon chains | van der Waals forces | Boiling point | Condensation in a fractionating column |
|---|---|---|---|
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| Position in the column | Fraction |
|---|---|
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| Vllzqm | Srnmihja |
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| Fqqlg | Lfwe zoh |
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| Ctpwxn yubricg | Skijhum |
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