The Collision Model:
Also, the more molecules present, the greater the probability of
collision and the faster the rate.
Thus reaction rate should increase with an increase in the
concentration of reactant molecules.
In order for molecules to react they must
collide.
Therefore, the greater the number of collisions the faster the rate.
As temperature increases, the molecules move faster and the
collision frequency increases.
Thus reaction rate should increase with an increase in temperature.