Answer :
Activation energy is the amount of energy that must be supplied to get a chemical reaction started.
What is Activation energy?
The activation energy is the first and minimum amount of energy input that is used in the reaction to start it and later returned.It is denoted by [tex]E_{A}[/tex].
[tex]E_{A}[/tex] always has a positive value – independent of whether the reaction is endergonic or exergonic overall.
The primary source of activation energy is heat, which reactant molecules absorb from their environment. This heat energy jolts the atoms and bonds within the individual molecules, raising the likelihood that bonds will break, and speeds up the velocity of the reactant molecules, increasing the frequency and force of their encounters.
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