Unit 2 Revision

Descripción

National 5 Chemistry Mapa Mental sobre Unit 2 Revision, creado por adam_g0dsell el 07/11/2013.
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Mapa Mental por adam_g0dsell, actualizado hace más de 1 año
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Creado por adam_g0dsell hace casi 11 años
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Resumen del Recurso

Unit 2 Revision
  1. Fuels
    1. a fuel is a substance that is burned giving out energy
      1. dead animals, subjected to heat and pressure, formed over millions of years
      2. fractional distillation
        1. gasoline > pertrol > naptha > kerosine > diesel oil > fuel oil || residue
        2. quantity of energy released
          1. fuel - porridge || inital temp - 31 || highest temp - 40 || temp difference - 9
            1. porridge - Eh = cm∆t | 4.18 x 0.005Kg x 4 | KJKG-1 oc-1| 0.0836KJ
          2. hydrocarbon
            1. hydrocarbons are compounds containing carbon and hydrogen only
              1. alkanes are the simplest family of hydrocarbons
                1. alkanes; methane | ethane | propane | butane | pentane | hextane | heptane | octane
                  1. Shortened Structural Formula; Octane | CH3 CH2 CH2 CH2 CH2 CH2 CH2 CH3
                    1. Full Structural Formula - H-C-H
                      1. General Formula = 2C + 2N
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