Question

What type of energy is required to start a reaction

Answer 1

Answer: Activation energy is the energy required to start a chemical reaction. Some reactions proceed immediately when the reactants are brought together, but for many others, placing the reactants in close proximity is not enough.

Step-by-step explanation:

Answer 2

Answer:

Activation energy.
Here’s why:


All chemical reactions, even exothermic reactions, need a certain amount of energy to get started. This energy is called activation energy. For example, activation energy is needed to start a car. Turning the key causes a spark that activates the burning of gasoline in the engine.