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Briefly summarize the difference between composition and decomposition reactions.

Question

Briefly summarize the difference between

composition and decomposition reactions.

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Solution

Composition and decomposition reactions are two different types of chemical reactions.

  1. Composition Reaction: A composition reaction (also known as a combination reaction) is a reaction where two or more substances combine to form a single substance. The general form of a composition reaction is A + B -> AB. For example, when hydrogen and oxygen combine, they form water.

  2. Decomposition Reaction: A decomposition reaction is the opposite of a composition reaction. It is a reaction in which a single compound breaks down into two or more elements or new compounds. The general form of a decomposition reaction is AB -> A + B. For example, water can be broken down into hydrogen and oxygen.

So, the main difference between composition and decomposition reactions is that in composition reactions, substances combine to form a new one, while in decomposition reactions, a substance breaks down into two or more simpler substances.

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