Multiple Choice
Which of the following factors would increase the rate of diffusion?
15. Chemical Kinetics
Factors Influencing Rates
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Which of the following actions can increase the rate of a chemical reaction?
A
Add an inhibitor
B
Decrease the concentration of reactants
C
Decrease the surface area of reactants
D
Increase the temperature
Verified step by step guidance1
Understand that the rate of a chemical reaction is influenced by several factors, including temperature, concentration of reactants, surface area, and the presence of catalysts or inhibitors.
Recognize that increasing the temperature generally increases the rate of a chemical reaction. This is because higher temperatures provide reactant molecules with more kinetic energy, leading to more frequent and energetic collisions.
Consider the role of concentration: Increasing the concentration of reactants typically increases the reaction rate because there are more molecules available to collide and react.
Evaluate the effect of surface area: Increasing the surface area of reactants (e.g., by grinding a solid into a powder) can increase the reaction rate by providing more area for collisions to occur.
Identify the role of inhibitors: Adding an inhibitor decreases the reaction rate by interfering with the reactants' ability to collide or react effectively. Therefore, adding an inhibitor would not increase the reaction rate.
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