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What is the exact chemical formula of gasoline jet fuel?
There is no formula for jet fuel. All gasolines and diesels are made up to meet performance criteria not composition criteria - like wine tasting and blending the same results can be reached with a number of different components.
The chemical formula for gasoline varies depending on where it is from. C8H18 is a good average. There may aslo be sulfur, or other trace elements in it.
I don't need to give you its chemical formula, I can give you its common name. The most common jet fuel: JP-1 is ordinary Kerosene. Same as used in Kerosene lamps and heaters.
All hydrocarbons undergo hydrocarbon combustion with oxygen. They produce carbon dioxide and water unless incomplete combustion happens in which case carbon monoxide or even solid carbon is produced...