Combustion - 1st Sem Chemistry

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11 Terms

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Combustion

Exothermic chemical reaction between a substance (the fuel) and an oxidant (usually oxygen) that releases energy as heat and light

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CₓHᵧ + O₂ → CO₂ + H₂O

State the format for a Combustion Equation:

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CₙH₂ₙ₊₂

State the format for an alkane (fuel):

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Bunsen burner

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Barrel (Chimney)

Allows gas and air to mix before being ignited at the top.

<p>Allows gas and air to mix before being ignited at the top.</p>
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Airhole

Openings that allow air to enter to mix with the gas.

<p>Openings that allow air to enter to mix with the gas.</p>
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Collar

Controls the amount of air entering the barrel.

<p>Controls the amount of air entering the barrel.</p>
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Base

It helps to provide support to the burner.

<p>It helps to provide support to the burner.</p>
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Gas valve

The gas receiving part. The gas supply to the burner can be controlled by rotating this left or right.

<p>The gas receiving part. The gas supply to the burner can be controlled by rotating this left or right.</p>
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Complete combustion

A combustion reaction with a blue flame and an open airhole. There is enough oxygen to burn the fuel. Produces carbon dioxide.

<p>A combustion reaction with a blue flame and an open airhole. There is enough oxygen to burn the fuel. Produces carbon dioxide.</p>
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Incomplete combustion

A combustion reaction with a yellow flame and a closed airhole. There is not enough oxygen to burn the fuel. Produces carbon monoxide.

<p>A combustion reaction with a yellow flame and a closed airhole. There is not enough oxygen to burn the fuel. Produces carbon monoxide.</p>