C1 Crude Oil and Fuels

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Fuels from crude oil

  • Crude oil is a mixture of many different compounds.
  • Distillation can be used to separate mixtures of liquids.
  • Most of the compounds in crude oil are hydrocarbons-the contain only hydrogen and carbon.
  • Alkanes are saturated hydrocarbons. They contain as many hydrogen atoms as possible in their molecules.

Fractional distillation

  • Crude oil is separated into fractions using fractional distillation.
  • The properties of each fraction depend on the size of the hydrocarbon molecules.
  • Fractions with lower boiling points are less viscous and burn more easily.

Burning Fuels

  • Burning hydrocarbons in


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