Chemistry C2: Rates & Energy

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What is meant by rate of reaction?
Rate of reaction is the time for reactants to turn into products
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How can we find the rate of reaction?
Rate of reaction = Amount of product formed ÷ Time
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How can we find rate of reaction using a graph?
We can find the gradient of a line graph at three points and find an average.
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Which five factors affect rate of reaction?
Temperature, surface area, concentration, pressure, catalyst.
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What is collision theory?
Collision theory states that particles must collide with enough energy in order to react. By increasing kinetic energy of particles, reaction rate increases.
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What is activation energy?
Activation energy is the smallest amount of energy particles must have before they can collide & react.
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What must happen before two particles can react?
Particles must've reached activation energy before they can react on collision.
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What is a catalyst?
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Card 2

Front

How can we find the rate of reaction?

Back

Rate of reaction = Amount of product formed ÷ Time

Card 3

Front

How can we find rate of reaction using a graph?

Back

Preview of the front of card 3

Card 4

Front

Which five factors affect rate of reaction?

Back

Preview of the front of card 4

Card 5

Front

What is collision theory?

Back

Preview of the front of card 5
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