fuels

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Author:
murphyainec
ID:
111756
Filename:
fuels
Updated:
2011-10-24 13:57:47
Tags:
chemistry
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Description:
chapter 21
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  1. define organic chemistry
    study of compounds of carbon
  2. define hydrocarbon
    compound that contains only hydrogen and carbon
  3. name the first ten alkanes
    • 1. methane
    • 2. ethane
    • 3. propane
    • 4.butane
    • 5.pentane
    • 6.hexane
    • 7.heptane
    • 8.octane
    • 9.nonane
    • 10.decane
  4. define structural formula
    shows how the atoms of the compound are arranged relative to one another
  5. general formula for alkanes
    CnH2n+2
  6. define structural isomers
    compounds with the same molecular formula but different structural formulas
  7. whats a ethyl group
    C2H5
  8. methyl group
    CH3
  9. propyl group
    C3H7
  10. unsaturated
    alkenes, alkynes
  11. what is an aliphatic compound
    organic compound that consists of open chains of carbon atoms and closed chain compounds (rings) that resemble them in chemical properties
  12. define aromatic compounds
    compounds that contain a benzene ring structure in their molecules
  13. define octane number
    measure of the tendency of the fuel to resist knocking
  14. what is auto-ignition
    early exploding of the petrol-air mixture
  15. define catalytic cracking
    breaking down of long-chain hydrocarbon molecules into short-chain molecules for which there is greater demand

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