Chemistry Paper 2 unfinished

  • Created by: D. A.
  • Created on: 24-05-18 12:29
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  • Chemistry PAPER 2
    • Rates of reaction
      • How to Measure
        • Loss of mass
        • Collection of gas
        • Colour change
      • Factors affecting rates of reaction
        • Concentration
        • Pressure
        • Surface area
        • Temperature
        • Catalysts
      • Reversibe reactions
        • Exothermic
          • Endothermic
            • higher temperature
          • Lower temperature
        • Catalysts
          • Speed up reaction
    • Crude Oil
      • A mixture of Hydrocarbons
        • Hydrogen and carbon only
        • Vapourised
      • Made from plant/animal remains millions of years ago
    • Chemical analysis
      • Chromatography
        • Rf values
      • Pure or mixture?
      • Gas tests
        • Hydrogen
        • Oxygen
        • Carbon dioxide
        • Chlorine
    • Atmosphere
      • Early atmosphere
        • Oxygen increase
          • Carbon dioxide decrease
      • Greenhouse gases CO2 + CH4
        • Human activities
          • Carbon footprint
      • Pollutants
        • Combustion: CO,Soot, SO2, NOs
    • Using resources
      • Sustainable development
      • Potable water
        • Waste water treatment
      • Recycling
        • Alloys
        • Ceramics, polymers, composites
  • Separated by fractional distillation
    • Short chain hydrocarbons at top
      • Low boiling point
      • Highly flammable
      • Highly volatile
    • Long chain hydrocarbons at the bottom
      • High boiling point
      • Low flammabilty and volatility
      • High viscoity
    • Cracking
      • Broken down (cracked) into smaller more useful products
      • Smaller alkane PLUS an alkene
        • alkene turns orange bromine water clear

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