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10 May, 05:45

How can one increase the rate of a chemical reaction? a. Decrease the concentration of the reactants. b. Add a catalyst. c. Increase the activation energy needed. d. Increase the entropy of the reactants. e. Cool the reactants.

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  1. 10 May, 09:22
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    b. Add a catalyst.

    Explanation:

    Only B is correct.

    The factors that affects the rate of chemical reactions are:

    Nature of the reactants Concentration of the reactants or pressure Temperature Presence of catalyst Sunlight

    The rate of chemical reaction is a measure of the speed of the reaction.

    When a foreign body is added to a reaction, the speed can be influenced. If the body increases the reaction rate, it is a positive catalyst. Catalysts are used to reduce the reaction time of many reactions.
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