QuestionMay 19, 2025

Which of the following will cause an increase in the rate of a chemical reaction? A decreasing the concentration of the reactants B decreasing the temperature of the reaction C increasing the volume of the reactants D increasing the temperature of the reaction

Which of the following will cause an increase in the rate of a chemical reaction? A decreasing the concentration of the reactants B decreasing the temperature of the reaction C increasing the volume of the reactants D increasing the temperature of the reaction
Which of the following will cause an increase in the rate of a chemical reaction? A decreasing the concentration of the reactants B decreasing the temperature of the reaction C increasing the volume of the reactants D increasing the temperature of the reaction

Solution
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Answer

D increasing the temperature of the reaction Explanation 1. Identify factors affecting reaction rate Reaction rates generally increase with higher temperature due to increased kinetic energy and more frequent collisions. 2. Analyze each option A. Decreasing concentration reduces collision frequency, slowing the reaction. B. Decreasing temperature lowers kinetic energy, slowing the reaction. C. Increasing volume decreases concentration, slowing the reaction. D. Increasing temperature increases kinetic energy, speeding up the reaction.

Explanation

1. Identify factors affecting reaction rate<br /> Reaction rates generally increase with higher temperature due to increased kinetic energy and more frequent collisions.<br /><br />2. Analyze each option<br /> A. Decreasing concentration reduces collision frequency, slowing the reaction.<br /> B. Decreasing temperature lowers kinetic energy, slowing the reaction.<br /> C. Increasing volume decreases concentration, slowing the reaction.<br /> D. Increasing temperature increases kinetic energy, speeding up the reaction.
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