Reaction rate — Science definition
How fast reactants are used up or products form, often measured as a change in concentration or amount per unit of time.
Where it is taught
- Reaction Rates & Kinetics — Rates & Equilibrium, Physical Science: Chemistry, Grade 11
In use
We measure a reaction rate as a change in amount over a change in time: how much reactant disappears, or how much product appears, each second.
Reaction Rates & Kinetics