Questions and Answers
Which substances are involved in the combustion of fuels?
Carbon and hydrogen
What is the definition of a fuel?
Any substance used to produce heat or power by combustion
Which type of fuel classification includes crude petroleum and natural gasoline?
Liquid fuel
What is the primary component of coke produced from coal during combustion?
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What does the term 'combustion' refer to?
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Study Notes
Combustion of Fuels
- Combustion involves the reaction of a fuel with oxygen, resulting in the release of heat and light energy.
- The reactants in combustion are fuel and oxygen, while the products are carbon dioxide and water.
Definition of a Fuel
- A fuel is a substance that releases energy when burned or oxidized, typically in the presence of oxygen.
Classification of Fuels
- Fossil fuels, which include crude petroleum and natural gasoline, are formed from ancient plants and animals.
Combustion of Coal
- During combustion, coal is converted into coke, a grey, hard, and porous material.
- The primary component of coke is carbon, which is produced through the destruction of coal's volatile components.
Combustion Definition
- Combustion is a chemical reaction between a substance (fuel) and oxygen, releasing heat and light energy, often accompanied by flames, sparks, and smoke.
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