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The Effect Of Temperature
If the temperature is increased:
The reactant particles move more quickly
They have more kinetic energy
The particles collide more often, MORE
SUCCESSFUL COLLISIONSIN A GIVEN TIME
The rate of reaction increases
More of the particles have the activation energy.…read more

Slide 3

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The Effect Of Concentration
Increasing the concentration of the reactants
will increase the frequency of collisions
between the two reactants.
Therefore MORE SUCCESSFUL
COLLISIONS IN A GIVEN TIME…read more

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The Effect Of Surface Area
If the solid reactants are crushed up or made
smaller the surface are increases
Therefore there are more places for collisions
to occur
MORE SUCCESSFUL COLLISIONS IN A
GIVEN TIME
Can increase
surface area by
crushing up.…read more

Slide 5

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The Effect Of Pressure
By increasing the pressure, you squeeze the
molecules together so you will increase the
frequency of collisions between them.
MORE SUCCESSFUL COLLISIONS IN A
GIVEN TIME…read more

Slide 6

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The Effect Of A Catalyst
A catalyst speeds up a reaction by lowering
the activation energy.
This means more of the particles have the
activation energy and therefore there are
MORE SUCCESSSFUL COLLISIONS IN A
GIVEN TIME…read more

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