1 - Environmental Quality: Monitoring and Analysis
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
Define 'interface' in relation to mass transfer.
💡 Hint: Think about where two different states of matter meet.
What happens to the concentration gradient when water is stirred?
💡 Hint: What does stirring do to the distribution of substances?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary resistance to mass transfer at an interface?
💡 Hint: Think about what slows down the movement of particles across phases.
A steady state implies which of the following?
💡 Hint: Consider if rates in and out can ever be balanced.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Consider a lake with a surface exposed to wind. Describe how the mixing conditions affect the concentration gradients and enumerate the resulting effects on mass transfer rates.
💡 Hint: Evaluate how external factors change mixing dynamics.
How would you apply Fick's laws of diffusion to derive an equation for mass transfer across the air-water interface? Include the factors affecting the coefficients.
💡 Hint: Consider the significance of diffusion coefficients.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.