How Does a Catalyst Alter the Rate of a Reaction

question 11

Multiple Choice

How does a catalyst alter the rate of a reaction?

• A)Catalysts replace part of the reactants
• B)Catalysts provide the activation energy needed
• C)A catalyst interferes with the attainment of chemical equilibrium
• D)Catalysts provide more heat to the reaction, and the increased temperature leads to an increased reaction rate
• E)Catalysts provide a reaction pathway with a lower energy of activation

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Definitions:

Growth

An increase in size, number, value, or strength; in biology, it's the process by which organisms increase in size through cell multiplication.

Reproduction

The biological process by which organisms produce new individuals of their species, ensuring the continuation of genetic information.

Chemical Combination

A process where two or more substances react to form a new substance with different chemical properties.

Chemical Compound

A substance formed from two or more elements chemically united in fixed proportions.