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Adding a catalyst increases the reaction rate by...

Question

Adding a catalyst increases the reaction rate by...

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Solution

Adding a catalyst increases the reaction rate by providing an alternative reaction pathway with a lower activation energy. Here are the steps:

  1. Introduction of Catalyst: A catalyst is introduced into the reaction. This catalyst is not consumed in the reaction and does not change the reactants or the end products.

  2. Lower Activation Energy: The catalyst provides an alternative reaction pathway that has a lower activation energy than the original pathway. Activation energy is the minimum amount of energy required for a reaction to occur.

  3. Increased Reaction Rate: Because the activation energy is lower, more reactant particles have enough energy to overcome the energy barrier, leading to an increase in the rate of reaction.

  4. Catalyst Remains Unchanged: At the end of the reaction, the catalyst remains unchanged and can be used again for the same reaction.

In summary, a catalyst speeds up a reaction by lowering the activation energy, thus increasing the rate of the reaction.

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Similar Questions

adding a catalyst increases the rate of reaction byA same reaction pathway and higher activation energyB providing an alternate pathway with lower activation energyC same reaction pathway and lower activation energyD providing an alternate pathway with higher activation

increases the rate of a chemical reaction without being consumed or permanently altered in the process. Catalysts work by providing an alternative reaction pathway with a lower activation energy

Catalysts can increase reaction rates by the activation energy, which increases the likelihood of successful collisions.

A catalyst speeds up a chemical reaction as a result of which of the following?Group of answer choices It provides an alternate pathway with a lower activation energy It increases the number of collisions between reacting molecules. It makes the reaction more endothermic.  It makes the reaction more exothermic

This factor does NOT accelerate a chemical reaction increasing the concentration increasing the particle size increasing the temperature presence of a catalyst none of the above

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