Practice Interfacial Mass Transfer - 3.3 | 7. Interphase Mass Transfer – Flux and Mass Transfer Resistance | Environmental Quality Monitoring & Analysis, - Vol 4
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Knowledge

3.3 - Interfacial Mass Transfer

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does Fick's Law of Diffusion describe?

💡 Hint: Think about the direction of flow regarding concentration.

Question 2

Easy

Name one factor that affects mass transfer resistance.

💡 Hint: Consider properties of the medium.

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 Law of Diffusion indicate about substance movement?

  • It moves from low to high concentration
  • It moves from high to low concentration
  • It moves randomly

💡 Hint: Remember the direction of concentration gradients.

Question 2

Does a higher molecular weight lead to higher mass transfer resistance?

  • True
  • False

💡 Hint: Think about how size affects mobility.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Calculate the rate of diffusion for a substance given its concentration gradient of 5 mol/m³ over a distance of 2 meters, using a diffusion coefficient of 0.1 m²/s.

💡 Hint: Remember the negative sign indicates direction.

Question 2

A river has been found contaminated by a pollutant with mass transfer into water from sediment influenced by a concentration gradient of 3 mmol/L. If the sediment concentration is 12 mmol/L, how would you set up your mass balance equation?

💡 Hint: Think what trends in concentrations might affect your calculations.

Challenge and get performance evaluation