Collision theory states that in order for a reaction to occur, reactant particles must collide with enough kinetic energy to overcome the activation energy barrier. A Maxwell-Boltzmann distribution shows the distribution of particle energies at a given temperature and allows for a qualitative estimation of the fraction of particles with sufficient energy to react at that temperature. View more lessons or practice this subject at https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:kinetics/x2eef969c74e0d802:activation-energy-and-reaction-rate/v/collision-theory-and-the-maxwell-boltzmann-distribution

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