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Volume of Gas by Burning Gasoline

  1. Aug 14, 2010 #1
    What is the volume of gas produced for a unit of gasoline burnt?
  2. jcsd
  3. Aug 14, 2010 #2
    It is straight forward to calculate it. Just insert molecular weights in this and use 1 molar volume of a gas is 22.41 liters at STP.

    2·C8H18 + 25·O2 => 16·CO2 + 18·H2O

    Bob S
  4. Aug 14, 2010 #3
    Thanks for that. Isn't that 9 H2O, though?
  5. Aug 14, 2010 #4
    Can't be, 2 moles of octane were combust in that formula.
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