Crude Oil

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  • Crude Oil
    • A dark liquid which we can extract from the ground.
    • Contains many different chemical compounds
      • Almost all of these compounds are hydrocarbons
        • Hydrocarb-ons are compounds containing only hydrogen and carbon
        • Most of the hydrocarbons found in crude oil are alkanes
          • The general formula for alkanes is CnH2n+2
    • Contains too many fractions to be useful straight from the ground
      • Fractions are substances with similar boiling points
      • During fractional distillation, hydrocarbons with similar numbers of carbon atoms are separated into fractions
    • Hydrocarbons
      • The properties of hydrocarbons vary with their chain legnth.
        • Hydrocarbons with many carbon atoms have a longer chain legnth
        • Shorter chains are more volatile
          • Volatility is the tendency to turn into a gas
        • Longer chains are more viscous
          • Viscosity is how thick and sticky a fluid is
        • Shorter chains are more flammable
        • Longer chains have a higher boiling point
    • Fractional Distallition
      • During fractional distillation, hydrocarbons with similar numbers of carbon atoms are separated into fractions

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