Friday 23 May 2014

Combustions

This year, we studied the chimic energy in particular the combustion. We are going to present this chapter.

A combustion is a chemical transformation which produces heat. To have a combustion you need  : a fuel (wood, gas...), a combustive (air) and a source of heat. To stop a combustion it is enough to supress one of the sides of the triangle of the fire.

It exist two types of combustions : complete combustion (air in sufficiency, blue flame); incomplete combustion (incapacity of dioxygene, orange flame).

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