in the equation of reaction given, breaking bonds in NaCl and H20 requires energy as they are both endothermic reactions.
A chemical reaction is a change which results in the permanent rearrangements of atoms of a substance and the formation of a new substance.
In a chemical reaction, bond breaking in endothermic reactions requires energy.
Therefore, in the equation of reaction given, breaking bonds in NaCl and H20 requires energy.
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