Cambridge IGCSE Chemistry · Syllabus 0620 · Chemical Energetics
Endothermic Reaction
What is Endothermic Reaction?
A reaction that takes in thermal energy from its surroundings, so the temperature of the surroundings decreases.
This definition is part of the Chemical Energetics chapter in Cambridge IGCSE Chemistry.
Common mistakes with Endothermic Reaction
- C2. “Endothermic reactions cannot happen, because they need energy they do not have.” Repair They take the energy they need from the surroundings, which is precisely why the surroundings get colder. Photosynthesis and thermal decomposition both happen every day. Needing an input is not the same as being impossible.