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Combustion


Definition: rapid chemical combination of a substance with oxygen, involving the production of heat and light.
Combustion is an exothermic reaction because it releases energy through light or heat.
The product of combustion reaction is heat.
It is a type of redox reaction.
what is a Redox reaction? Oxidation reduction or redox reaction is a type of chemical reaction in which the oxidation number of  molecule, atom, or ion changes by gaining or losing an electron.
Examples of combustion reactions include:
"2 H2 + O2 → 2H2O + heat
CH4 + 2 O2 → CO2 + 2 H2O + heat"
(https://chem.libretexts.org/Textbook_Maps/Analytical_Chemistry/Supplemental_Modules_(Analytical_Chemistry)/Electrochemistry/Redox_Chemistry/Oxidation-Reduction_Reactions)


A few real life examples of combustion could be: 
  1. BBQ's
  2. Gas ovens
  3. Forest fires
  4. Bonfires
So this is applicable to our life because sometimes we use combustion to our benefit for example"BBQ's" and "Bonfires".
Citations:
- Helmenstine, Anne Marie, and Helmenstine. “What Is a Combustion Reaction? Review Your Chemistry Concepts.” ThoughtCo, 6 Mar. 2017, www.thoughtco.com/definition-of-combustion-reaction-604937.
           
           -Chemical Reactions:Combustion, www.iun.edu/~cpanhd/C101webnotes/chemical%20reactions/combustion.html.

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