4.1 - Understanding Flux and Resistance
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Practice Questions
Test your understanding with targeted questions
What is flux according to Fick's law?
💡 Hint: Think about the direction substances move in relation to concentration.
Name one factor that influences diffusion.
💡 Hint: Consider the size of the molecules involved.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does Fick's law state about the direction of flux?
💡 Hint: Think about where substances want to go.
True or False: Higher viscosity increases the rate of diffusion.
💡 Hint: Consider what happens to syrup compared to water.
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Challenge Problems
Push your limits with advanced challenges
Describe a real-world pollution incident where diffusion played a key role. Analyze the factors involved and discuss how resistance affected the pollution's spread.
💡 Hint: Apply the concepts of flux and resistance to observable phenomena.
Calculate the rate of diffusion for a hypothetical substance given its diffusion coefficient and concentration gradient. Discuss how changes in the concentration gradient affect the rate.
💡 Hint: Ensure you reflect on how concentration changes impact this calculation.
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