Which of the following factors affects the rate of diffusion of a substance?
A
Color
B
Temperature
C
Volume
D
Shape
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1
Understand that diffusion is the process by which molecules spread from areas of high concentration to areas of low concentration.
Recognize that the rate of diffusion is influenced by several factors, including temperature, concentration gradient, and the medium through which diffusion occurs.
Consider how temperature affects molecular movement: higher temperatures increase the kinetic energy of molecules, causing them to move faster and thus diffuse more quickly.
Evaluate the other options: color, volume, and shape do not directly affect the kinetic energy or movement of molecules in the context of diffusion.
Conclude that temperature is the factor that affects the rate of diffusion, as it directly influences the speed at which molecules move.