∙ Hydrocarbons are organic molecules that consist of only carbon and hydrogen atoms. ∙ Hydrocarbons are the major component of petroleum, a fossil fuel that consists of the partially decomposed remains of organisms that lived millions of years ago. ∙ Fats are biological molecules that have long hydrocarbon tails attached to a nonhydrocarbon component. ∙ Petroleum and fat are hydrophobic compounds that cannot dissolve in water because of their many nonpolar carbon-to-hydrogen bonds. ∙ Isomers are compounds that have the same molecular formula but different structures and, therefore, different chemical properties. ∙ For example, butane and isobutane have the same molecular formula, C 4 H 10 , but butane has a straight skeleton and isobutane has a branched skeleton. ∙
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This note was uploaded on 01/04/2012 for the course BSC BSC1005 taught by Professor Orlando,rebecca during the Fall '10 term at Broward College.