If reactant molecules collide with greater energy than the activation energy, they change into product molecules is true.
The activation energy is the minimum amount of energy that is required to be absorbed or supplied to the reactant in the reaction to become their energy which is equal to the threshold energy.
The threshold energy depends on the molecule's decision which must be in order but must be an effective collision that is the minimum amount of energy needed for collision.
Therefore, the statement is true that reactant molecules collide with greater energy than the activation energy, they change into product molecules.
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