activation energy
the amount of initial energy necessary for reactions to occur
Activation energy is the minimum amount of energy required for a chemical reaction to occur. In other words, it is the energy needed to start a reaction and overcome the energy barrier that exists between the reactants and the products. To put it simply, the activation energy is the amount of energy required to get the reactant molecules to a state where they are capable of reacting with each other.
The activation energy can come from various sources such as heat, light, pressure or even catalysts. Catalysts are substances that speed up the chemical reaction by lowering the activation energy.
The concept of activation energy is important in chemistry because it determines the rate of the chemical reaction. The higher the activation energy, the slower the reaction, and vice versa. Understanding activation energy is also crucial in designing chemical reactions, as it helps scientists to choose appropriate conditions that will facilitate reactions.
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