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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does Fick's law state about the direction of flux?
💡 Hint: Think about how on a gradient things flow.
Question 2
Easy
What happens to diffusion as density increases?
💡 Hint: Relate density to movement difficulties.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does Fick's first law of diffusion state?
- A. Flux is directly proportional to concentration gradient
- B. Flux is inversely proportional to concentration gradient
- C. Flux is independent of concentration gradient
💡 Hint: Think about how substances spread.
Question 2
True or False: Higher molecular weight generally increases the rate of diffusion.
- True
- False
💡 Hint: Recall how size impacts movement.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a diffusion coefficient of 0.001 m²/s and a concentration change across a distance of 2 m of 0.5 mol/m³, calculate the expected flux.
💡 Hint: Pay attention to units while substituting values.
Question 2
Analyze how reducing the temperature of a medium would affect the diffusion of a pollutant in it.
💡 Hint: Consider the effect of temperature on molecular motion.
Challenge and get performance evaluation