The document discusses collision theory and the factors that affect the rate of reaction. It states that as the frequency of collisions between particles increases, so too does the frequency of effective collisions, leading to an increased rate of reaction. Several factors are described that can increase the collision frequency, such as decreasing particle size, increasing concentration, raising temperature, or increasing pressure. Catalysts also provide an alternative reaction pathway requiring less activation energy.

1. Form 5 Chemistry Rate of Reaction
Collision Theory & the Rate of Reaction
Frequency of collision
between particles
increases
Frequency of
effective collision
increases
Rate of reaction
increases
Collision Theory & Factors That Affecting the Rate of Reaction
The smaller the The higher The higher the The higher the Catalysts
size of the concentration temperature, the pressure, the provide an
reactant, the of a solution, faster the particles more number alternative
larger the total the more move. The of particles per path that
surface number of particles have unit volume requires lower
exposed to particles per higher kinetic activation
collision unit volume energy. energy
Frequency of collision
between particles
increases
Frequency of effective collision
between particles
increases
Rate of reaction
increases
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