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Collision Theory
Rate of Reaction

Collision Theory is based on the Kinetic Theory of particles. According to the Collision Theory, a chemical reaction happens when the following takes place

o the reactant particles must collide (hit, bump, knock one another)
o the collision must be effective - as such, the particles must collide in the right orientation (direction and pattern)
o the particles must possess (have) a minimum amout of kinetic energy known as the activation energy.

Teori Pelanggaran
Kadar Tindak Balas

Teori Pelanggaran berasas daripada Teori Kinetik zarah-zarah. Menurut Teori Pelanggaran, tindak balas kimia berlaku apabila

o zarah-zarah bahan tindak balas berlanggar
o pelanggaran tersebut mestilah efektif atau berkesan - yakni, zarah-zarah mesti berlanggar pada orientasi (hala atau haluan) yang betul
o zarah-zarah mesti mempunyai tenaga kinetik yang minimum yang digelar tenaga pengaktifan.

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