Practice - Steady and Transient Mass Diffusion
Practice Questions
Test your understanding with targeted questions
Define steady-state diffusion.
💡 Hint: Think about a situation where concentrations are stable.
What does Fick’s First Law state?
💡 Hint: Consider the relationship between flux and concentration.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is Fick's First Law used to describe?
💡 Hint: Think about which law describes a constant condition.
True or False: In steady state diffusion, the flux varies with time.
💡 Hint: Remember what steady state implies in terms of change.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
If a chemical is diffusing in a medium and the concentration gradient is high, what can you infer about the diffusion rate? Explain your reasoning.
💡 Hint: Relate it back to the role of the concentration gradient.
Calculate the mass flux if the concentration gradient is 0.05 kg/m³ over a distance of 0.1 m, given that diffusivity is 1.2 m²/s.
💡 Hint: You need to apply the law correctly and keep track of negative signs.
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Reference links
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