Transcription of Experiment #3 - Hydrocarbons
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Experiment #3 - Hydrocarbons
CCCCCCCCHHHHHHHHHHHHHHHHHHCCCCCCCCHHHHHH HHHCHHHCHHHHHHHHHCHHHCCCCCCCHHCHHHHHHHHH HHHHH octane - unbranched (straight-chain)4-ethyl-2-methyloctane - branchedethylcyclohexane - cyclicFigure 1 - Unbranched, branched, andcyclic #3 - HydrocarbonsIntroductionOrganic chemistry is the chemistry of thecompounds of carbon. Currently over twentymillion compounds have been reported in thechemical literature; about 90% of them areorganic, ie they contain carbon. The remainingcompounds are called inorganic and are formedfrom the other elements, of which there areabout 100. That carbon so dominatescompound formation is a result of the fact that itis almost unique in its ability to form longchains with other carbon atoms.
Physical Properties Some molecules carry an electrical charge because there is a difference between the number of electrons (each with a -1 charge) and the number of protons (each with a +1 charge) in the molecule. We call molecules of this type ions. The ammonium ion, NH 4 +, has a +1 charge because it has 11 protons (7 from nitrogen and 4 ...
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