reversible reaction
nounUK /rɪˈvɜːsəbl riˈækʃn/
US /rɪˈvɜːrsəbl riˈækʃn/
A reversible reaction is a chemical change that can go forward and also go back to the starting stuff.
Heating blue copper sulfate crystals and adding water is a reversible reaction because the blue color comes back.
OTHER MEANINGS
2. A process in which products can turn back into reactants under the right conditions.
The reversible reaction reached equilibrium when the forward and reverse rates became equal.
3. A reaction shown with a double arrow to mean it goes both ways.
In the equation, the double arrow tells us it is a reversible reaction.
4. A change that can be undone by reversing the conditions, like temperature or pressure.
Lowering the pressure shifted the reversible reaction toward the side with more gas molecules.