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Collision Theory and Ea
The collision theory states that particles collide with enough energy and with the correct orientation to break the bonds
between them. This is associated with activation energy which is the minimum amount of energy needed for successful
collisions to occur.

Factors Affecting the Rate of…

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When the polluting gasses pass over the catalyst they trigger a series of chemical reactions that produce less harmful

Carbon Monoxide + Nitrogen Oxides Nitrogen + Carbon Dioxide
Hydrocarbons + Nitrogen Oxides Nitrogen + Carbon Dioxide + Water

Maxwell-Boltzmann Distribution
The Maxwell-Boltzmann distribution is the shape formed on the…

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Catalysts ­ With the use of a catalyst the activation energy needed is lowered
meaning that the `minimum activation energy' line is moved to the left


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