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20 September, 02:03

A chemical reaction can be represented by

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  1. 20 September, 03:35
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    A chemical reaction is a rearrangement of atoms which turn one or more compounds into new compounds. Equations and models may describe all of the chemical reactions ... If atoms detach from each other and recombine into various types of atoms, we conclude that there has been a chemical reaction.
  2. 20 September, 04:46
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    equations and models.

    Explanation:

    All chemical reactions can be represented by equations and models.
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