Multiple Choice
Which of these factors will affect the rate of diffusion?
15. Chemical Kinetics
Factors Influencing Rates
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Which of the following factors influence the rate of diffusion?
A
Temperature
B
Color of the substance
C
Size of the container
D
Concentration gradient
Verified step by step guidance1
Understand the concept of diffusion: Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration. It is driven by the concentration gradient, which is the difference in concentration between two areas.
Identify the factors that influence diffusion: The rate of diffusion is affected by several factors, including temperature and concentration gradient. Temperature increases the kinetic energy of particles, causing them to move faster and thus increasing the rate of diffusion.
Explain the role of temperature: Higher temperatures provide particles with more energy, increasing their movement and the rate at which they spread out. This means that as temperature increases, the rate of diffusion also increases.
Discuss the concentration gradient: A steeper concentration gradient (a larger difference in concentration between two areas) results in a faster rate of diffusion because particles move more quickly from the area of higher concentration to the area of lower concentration.
Clarify why other factors are not relevant: The color of the substance and the size of the container do not directly affect the rate of diffusion. Diffusion is primarily influenced by the kinetic energy of particles and the concentration gradient.
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