Hydrocarbons

    Cards (22)

    • What should you be able to describe by the end of the video?
      How crude oil is formed
    • What is meant by a hydrocarbon?
      Molecules made of hydrogen and carbon
    • What is an alkane?
      A type of hydrocarbon with specific properties
    • What products are derived from crude oil?
      • Plastics
      • Petrol
      • Pharmaceuticals
      • Cosmetics
    • How is crude oil formed?
      From remains of tiny sea creatures buried in mud
    • What type of resource is crude oil?
      Finite resource
    • What is the formula for methane?
      CH<sub>4</sub>
    • What does the structural formula of methane show?
      One carbon atom bonded to four hydrogen atoms
    • What is the definition of a hydrocarbon?
      Molecules made up of hydrogen and carbon atoms only
    • What are hydrocarbons like methane and ethane called?
      Alkanes
    • What is the general formula for alkanes?
      C<sub>n</sub>H<sub>2n+2</sub>
    • If n equals 1, how many hydrogen atoms are in methane?
      4 hydrogen atoms
    • If n equals 2, how many hydrogen atoms are in ethane?
      6 hydrogen atoms
    • How many hydrogen atoms are in butane with four carbon atoms?
      10 hydrogen atoms
    • Why are alkanes considered saturated molecules?
      Carbon atoms are fully bonded to hydrogen atoms
    • How many hydrogen atoms are in propane with three carbon atoms?
      8 hydrogen atoms
    • Which alkane structures should you memorize for the exam?
      • Methane
      • Ethane
      • Propane
      • Butane
    • Where can you find more questions on hydrocarbons?
      In the revision workbook
    • How long does it take for crude oil to form?
      Millions of years
    • What are the remains of tiny sea creatures called?
      Plankton
    • What is the significance of covalent bonds in hydrocarbons?
      They hold atoms together in molecules
    • What distinguishes saturated hydrocarbons from unsaturated ones?
      Saturated have only single bonds between carbons
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