Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is Fick's First Law?
💡 Hint: Think about how flux relates to concentration change.
Question 2
Easy
Define steady-state diffusion.
💡 Hint: Consider how concentrations appear in a stable system.
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 describe?
- Mass conservation
- Diffusive mass flux
- Heat transfer
💡 Hint: Remember the focus is on mass transfer.
Question 2
True or False: Steady-state diffusion implies that concentration changes over time.
- True
- False
💡 Hint: Focus on the definition of steady-state.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A gas diffuses in a stainless-steel tube with a concentration gradient of 3 kg/m³/m and a diffusivity of 0.2 m²/s. Calculate the mass flux.
💡 Hint: Plug values from the problem into the equation.
Question 2
Discuss how Fick's Second Law would be used in a situation where concentration changes over time within a chemical reactor.
💡 Hint: Focus on dynamic systems and how concentration evolves.
Challenge and get performance evaluation