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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the negative sign in Fick's Law indicate?
💡 Hint: Think about the definition of flux.
Question 2
Easy
How does temperature affect the diffusion coefficient?
💡 Hint: Consider what happens to molecules when heated.
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 effect does the density of a medium have on diffusion rates?
- Lower density increases diffusion rates.
- Higher density increases diffusion rates.
- Density has no effect on diffusion rates.
💡 Hint: Consider how gas and liquid densities relate.
Question 2
True or False: Increasing molecular weight increases the rate of diffusion.
- True
- False
💡 Hint: Remember the relationship between size and resistance.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A warehouse has two chambers, one filled with air and the other with helium. If a small hole connects the two, discuss the rate of diffusion for both gases when released into the chamber.
💡 Hint: Consider the molecular weights of both gases.
Question 2
In a scenario where a pollutant in water is subjected to increased temperature and viscosity, predict its diffusion behavior and justify your reasoning.
💡 Hint: Focus on how both factors interact with each other.
Challenge and get performance evaluation