Volume of Gas by Burning Gasoline

Thread starter korneld
Start date Aug 14, 2010
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Gas Gasoline Volume

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The discussion focuses on calculating the volume of gas produced from burning gasoline, specifically octane (C8H18). The combustion reaction shows that 2 moles of octane react with oxygen to produce carbon dioxide and water. The correct stoichiometry indicates that 18 moles of water are produced, not 9, as clarified in the exchange. The volume of gas produced can be determined using the molar volume of gas at standard temperature and pressure (STP). Accurate molecular weights and stoichiometric calculations are essential for determining the total gas volume generated.

Aug 14, 2010

korneld

What is the volume of gas produced for a unit of gasoline burnt?

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Aug 14, 2010

Bob S

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

Aug 14, 2010

korneld

Thanks for that. Isn't that 9 H2O, though?

Aug 14, 2010

xxChrisxx

Can't be, 2 moles of octane were combust in that formula.

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