Multiple Choice
Consider a bimolecular reaction in the gas phase. Which one of the following changes in condition will not cause an increase in the rate of the reaction?
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15. Chemical Kinetics
Factors Influencing Rates
Multiple Choice
The rate of diffusion is affected by which of the following factors?
A
Temperature
B
Shape of the container
C
Color of the substance
D
Type of stirring mechanism
Verified step by step guidance1
Understand that diffusion is the process by which molecules spread from areas of high concentration to areas of low concentration.
Recognize that temperature affects the kinetic energy of molecules. Higher temperatures increase molecular motion, thus increasing the rate of diffusion.
Consider the shape of the container: While it might influence the path of diffusion, it does not directly affect the rate at which molecules move.
Acknowledge that the color of the substance is unrelated to the molecular motion or diffusion rate.
Evaluate the type of stirring mechanism: While stirring can enhance mixing, it is not a factor in the natural rate of diffusion, which occurs without external forces.
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