Chemical equations are used to model the changes that happen in chemical reactions.
In chemical reaction:
- reactants are the substances that undergo a chemical change in a reaction
- products are the new substances formed.
In general: reactants = products
Two or more reactants or products are separated b a + sign. In a word equation, you write the name of each substance, not its formula.
An example balanced equation
The balanced chemical equation for the reaction between iron (III) oxide reacts with carbonto…