jesnii jesnii
  • 01-05-2019
  • Chemistry
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Use this diagram to determine which of the following statements is true.

Use this diagram to determine which of the following statements is true class=

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superman1987
superman1987 superman1987
  • 01-05-2019

Answer:

D. Catalysts speed up the rate of reactions by lowering the amount of energy required for the reaction to proceed.

Explanation:

A catalyst is a substance that:

  • speeds up the rate of a reaction .
  • does not alter the products of the reaction .
  • is unchanged chemically and in mass at the end of the reaction.

A catalyst provides an alternative reaction pathway that has a lower activation energy than the uncatalyzed reaction.

The figure shows how the energy of the reactants and products change during a reaction.

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