What are the substances that enter a reaction?

1 Answer
SupernovaT
Jan 3, 2018

Reactants

Explanation:

Substances present BEFORE a reaction occurs are described as reactants.

Substances present AFTER a reaction has occurred are described as products.

Note - many reactions actually exist as a equilibrium process which means that the concept of a reactant / product is somewhat redundant as a reaction is occurring in both a forward and reverse direction (meaning that a reactant is also a product and a product is also a reactant).

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