AQA Chemistry [C1] Part 2

AQA Chemistry [C1] Part 2

1. Polymers

   • Plastics
     • Non-biodegradable
       • Harm wildlife
       • Landfill sites
         • Unsightly
     • Biodegradable
       • Decompose
       • Starch granules
   • Monomers join together
   • Alkenes
     • Poly[ethene]
     • Poly[propene]

2. Plant Oils

   • Ethanol
     • Fermentation
       • Enzymes in yeast
       • Uses renewable plant material
     • Ethene
       • Non-renewable crude oil
   • Vegetable oils
     • Pressing
     • Distillation
     • Healthier
     • Lot of energy
     • Biofuels
     • Cooking
       • High boiling points
       • Increases the energy content
   • Emultions
     • Vegetable oils
       • Foods
     • Stop oil and water layering
     • Hydrophilic end
       • Attracted to water
     • Hydrophobic end
       • Attracted to oil

3. The Earth's Structure

   • Layered
     • Core
     • Mantle
       • Cracked into tectonic plates
         • Constantly move
           • Earthquakes and volcanoes
             • Tectonic plates meet
           • Continental drift
         • Convection currents
           • Radioactive decay
     • Crust

4. The Atmosphere

   • Early atmosphere
     • Volcanic activity
       • Water vapour
       • Carbon dioxide
         • Locked up in sedimentary rocks
         • Dissolved to form oceans
       • Nitrogen
     • Plants
       • Photosinthesis
         • Released oxygen
   • Separating
     • Fractional distillation
   • Life
     • Miller-urey theory
     • Primoridal Soup theory
   • Carbon cycle
     • Amount of carbon dioxide has increased