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10 April, 14:53

How does an increase in reactant concentration affect the rate of reaction?

It leads to more frequent collisions, which increase reaction rate.

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It leads to less frequent collisions, which increase reaction rate.

It leads to more frequent collisions, which decrease reaction rate.

It leads to less frequent collisions, which decrease reaction rate.

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Answers (2)
  1. 10 April, 15:00
    0
    It leads to more frequent collisions, which increase reaction rate

    Explanation:

    An increase in reactant concentration leads to an increase in reactant particles which increases the number of collision in a reaction and then causes a reaction to proceed faster.

    This belief was first suggested by the collision theory which states that for a reaction to occur, the reacting particles must collide with one another. However, further studies show that not all collisions lead to a reaction, and only effective collisions lead to a reaction.

    Hence, an increase in reactant concentration increases the frequency of collision which in turn increases the chances of effective collision and subsequently sincreases the reaction rate.
  2. 10 April, 15:24
    0
    It leads to more frequent collisions, which increase reaction rate
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