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Propane Combustion: Complete vs. Incomplete Reactions

Learn about the differences between complete and incomplete combustion of propane gas, their chemical equations, and practical applications of propane. Explore the significance of these reactions and key points of Walter O. Snelling's contributions.

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Propane Combustion: Complete vs. Incomplete Reactions

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  1. The difference between incomplete and complete combustion of propane gas.

  2. Complete Combustion Incomplete Combustion 2C3H8 + 7O2 2C + 2CO + 8H2O + 2CO2 Propane + Oxygen Carbon+ Carbon Monoxide + Water + Carbon Dioxide • C3H8 + 5O2 ---> 3CO2 + 4H2O • Propane + Oxygen- Carbon Dioxide + water Equations

  3. Propane is a by product of gasoline, with the chemical equation C3H8 • Propane is normally a gas but can be compressed to a liquid for transport • It is mainly used for barbeques, home heating, engine fuel and portable stoves. What is propane?

  4. Complete combustion takes place when there is excess oxygen • Incomplete combustion is when there is not enough oxygen for complete combustion. • When incomplete combustion occurs it forms water, carbon dioxide and carbon monoxide. • When complete combustion of propane occurs it only forms water and carbon dioxide. What are incomplete and complete combustion?

  5. Black=C Red=O (except in picture 2) White=W + + + Chemical equation for incomplete combustion of propane +

  6. + Black= C Red = O White = H Blue = S Chemical Equation for complete combustion of propane +

  7. Incomplete combustion Complete combustion Rich burn- Occurs when there is more than 4% of propane. The end result being a much lager flame that is yellow in color. • Lean Burn- occurs when there is less than 4% Propane, resulting in a flame that rises and extinguishes itself rapidly. Evidence of chemical change

  8. Born Dec 13 1880 • He was a chemist that contributed to the development of explosives and liquefied petroleum gas. • He identified propane as a component in gasoline in 1910. • He also invented the under water detonator in 1907 Walter O. Snelling

  9. The End

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