Combustion Types: Understanding Burning and Fire Explained
Combustion is a rapid chemical reaction between a fuel and oxygen that releases heat and light, creating fire. There are different types of combustion incl
TL;DR: Combustion is a rapid chemical reaction between a fuel and oxygen that releases heat and light, creating fire. There are different types of combustion…
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Combustion Types: Understanding Burning and Fire: Combustion is a rapid chemical reaction between a fuel and oxygen that releases heat and light, creating fire. There are different types of combustion incl
Combustion Types: Understanding Burning and Fire Explained Simply
Combustion is a rapid chemical reaction between a fuel and oxygen that releases heat and light, creating fire. There are different types of combustion incl This is a key chemistry concept for 9.
Frequently Asked Questions
Can combustion happen without oxygen?
Most common combustion requires oxygen, but some substances can burn with halogens or other oxidizers. For example, chlorine gas can burn hydrogen. At the chemical level, combustion is oxidation by any oxidizer, not just oxygen gas. However, oxygen combustion is most common.
Why does a candle flame have different colored regions?
The base of the flame is yellow due to soot particles being heated incandescent by the flame below. The middle is orange and blue areas. The very top edge is blue where combustion is most complete and hottest. The colors indicate different combustion completeness at different positions.
Is carbon dioxide from combustion the only environmental concern?
No. Combustion of sulfur-containing fuels produces sulfur dioxide causing acid rain. Combustion at high temperatures produces nitrogen oxides (NOx). Incomplete combustion produces carbon monoxide, soot, and unburned hydrocarbons. Incomplete combustion is actually more harmful environmentally than complete combustion despite releasing less energy.