Combustion Essay. Burning, otherwise known as combustion, is an important chemical reaction.

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Cheryl Chan 8YC/8C                                                          Science/Mr. Lee

Are chemical reactions important?

        Burning, otherwise known as combustion, is an important chemical reaction. It is the state, process, sensation, or effect of being on fire, burned, or subjected to intense heat. The act of combustion often results in a fire, which contributes greatly to the world as it gives out energy and light. There are six different types of burning: rapid, slow, complete, incomplete, turbulent and microgravity.

        Combustion is made according to the following formula: Fuel + Oxygen  Carbon Dioxide + Water + Energy/Burning. It is a complex chemical sequence of  reactions, in which a substance reacts rapidly with oxygen and gives off heat. Combustion is made when a fuel burns in oxygen, accompanied by heat or both heat and light. The original substance, the fuel, can be a solid, liquid, or gas and the source of oxygen; the oxidizer could also be a  New substances called oxides or exhaust are made as the fuel burns and come from chemical combinations of the fuel and oxygen.  The  of the exhaust is high because of the  that is transferred to the exhaust during combustion. Because of the high temperatures, oxides usually occur as a gas, but there can be liquid or solid exhaust products as well.

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Heat is also released as a result of burning. Burning comes out in the form of either a glow or , appearance of light flickering. You can make this chemical reaction by rubbing two sticks together. It is because the fuel is usually a hydrocarbon, an organic compound made entirely of carbon and hydrogen, and sticks work perfectly well for that. The oxygen is always around us. The heat then can be made by friction between the rubbings of the two pieces of wood. You can control or stop the combustion process by controlling the amount of the fuel ...

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