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Organic chemistry, Polymers - Coggle Diagram

- - - - Goes colourless in bromine water
  - - - The runniness of a liquid
      - Longer hydrocarbon chain = more viscous
    - - Small molecules
        
        Top of column
        
        Low boiling points
        
        Light
        
        Easy to light
        
        Runny
        
        Large molecules
        
        Bottom of column
        
        High boiling points
        
        Dark
        
        Hard to light
        
        Thick
  - - - Plentiful supply of oxygen
      - Produces carbon dioxide and water
    - - Insifficient supply of oxygen
      - Produces carbon dioxide, water, carbon monoxide and carbon particles
        
        Carbon monoxide is dangerous
    - - Gases are under high pressure in the internal combustion engine so nitrogen reacts with oxygen to make nitrogen oxides
        
        Causes respiratory diseases
        
        Fossil fuels that contain sulphur produce sulphur dioxide when they are combusted
        
        Forms acid rain
- - - - Ethene + steam = ethanol
      - 300 degrees celsius
      - Phosphoric acid catalyst
      - 60 - 70 atm pressure
      - Continuous
      - Fast
      - Purer
      - Can be reversed
    - - Glucose = ethanol + catbon dioxide
      - 40 degrees celsius
      - Yeast catalyst
      - No oxygen
      - Batch
      - Slow
      - Impure
- - - - Keeps areas clean
      - Convenient
      - Lasts for many years