Why are reversible reactions both endothermic and exothermic? I can't grab hold of this concept.
Endothermic and Exothermic? Watch
- Thread Starter
- 16-05-2016 12:08
- 16-05-2016 12:21
Endotherimic means that a reaction between 2 or more substances 'takes in' thermal energy as the chemical reaction takes place.
Exothermic means that the reaction "gives out" thermal energy.
Thermal energy means heat.
Therefore a reversible reaction means that the reaction between the two or more chemicals both absorbs (takes in) and emits (gives out) heat. Reversible means that a reaction can do two things.
- 16-05-2016 14:07
- Community Assistant
- 16-05-2016 14:55
To get the reactants back by the product (back reaction), energy has to be spent again. Without that energy, the product cannot be 'divided' in the reactants.Last edited by Kallisto; 16-05-2016 at 18:23.