rates of reaction Flashcards

1
Q

what factors can affect the rate of reaction

A

temperature
particle size
concentration
catalyst

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2
Q

describe the relationship between concentration and the rate of reaction

A

higher concentration = faster reaction rate

the higher the concentration, the more particles there are to collide, the faster the reaction rate

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3
Q

describe the relationship between the temperature and the rate of reaction

A

higher temp = faster raection

the higher the temp, the faster particles will move so the more likley they are to collide

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4
Q

describe the relationship of particle size on the rate of reaction

A

the smaller the particle size = faster the reaction rate

smaller the particle size means more surface area for prticles to collide, faster reaction rate

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5
Q

describe the relationship between catalysts ans the rate of reaction

A

catalysts speed up the rate of reaction (remain unchanged and can be recovered)

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6
Q

how do you calculate the avergae rate of reaction

A

average rate = change in quantity
———————————
change in time

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