A substance that undergoes a change in a chemical reaction is

In an exothermic reaction, energy is transferred from

The energy source in photosynthesis is

A synthesis reaction is a reaction between at least two compounds in which

The product of the synthesis reaction between sodium and chlorine gas is

A chemical equation is balanced by changing or adding

In a balanced chemical reaction, the total mass of the products always equals the

Large, bulky molecules react more slowly than small ones because they have less opportunity to

When a chemical reaction and its reverse are occuring at the same time and at the same rate, the reaction has achieved

Le Chatelier's principle states that increasing temperature favors a reaction that

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