Write any two concepts tells about chemical equations?
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chemical reactions are often permanent changes that occur to the reactants that produce products of the reaction.. The properties physical and chemical of reactants are different from the products.
in a chemical equation, the total mass is preserved. The total energy is conserved. The number of atoms of each element is conserved.
in a chemical equation, the total mass is preserved. The total energy is conserved. The number of atoms of each element is conserved.
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