Chemical equation
noun · Chemistry
Definition
A representation of a chemical reaction using formulas.
Explanation
A balanced equation has equal numbers of each type of atom on both sides.
Example
2H2 + O2 gives 2H2O.
Common confusion
Balance by changing coefficients, never by changing the formulas.
Related terms
- ReactantA substance that is present at the start of a chemical reaction and is changed by it.
- ProductA substance formed in a chemical reaction.
- CoefficientA number that multiplies a variable.
Study guides that use this term
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