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timurjin [86]
3 years ago
11

Which one of the following is a decomposition reaction?

Physics
2 answers:
horsena [70]3 years ago
8 0
It would be A because Decomposition is when a substance breaks down into two. 
borishaifa [10]3 years ago
4 0
<h3><u>Answer;</u></h3>

A. 2SO3 (g) → 2SO2 (g) + O2 (g)

<h3><u>Explanation;</u></h3>
  • A decomposition reaction is a type of chemical reaction where a single compound is broken down into two or more elements or new compounds.
  • <em><u>Decomposition reactions involve a single substance as a reactant and more than one substance as the product.</u></em> Examples of decomposition reactions include the breakdown of hydrogen peroxide to water and oxygen, and the breakdown of water to hydrogen and oxygen.
  • In the question above; <em><u>the reaction; 2SO3 (g) → 2SO2 (g) + O2 (g) is an example of decomposition reaction.</u></em>
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Marta_Voda [28]

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see below

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