Hydrocarbons

• What two elements do hydrocarbons contain?

  Hydrogen and carbon.
• What is the general formula for alkanes?

  The general formula for alkanes is CnH2n+2.
• Draw the displayed formula of butane.

  C_4H_10

  H H H H

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  H — C C C C — H

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  H H H H
• What two waste products form from the complete combustion of hydrocarbons?

  Carbon dioxide and water.