Practice Future Directions In Research (5.2) - Interphase Mass Transfer – Flux and Mass Transfer Resistance

Practice: Future Directions in Research

Lesson 5.2Interphase Mass Transfer – Flux and Mass Transfer Resistance

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10 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is Fick's law of diffusion?
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Think about how substances spread in different mediums.
Question 2.
Name one factor that affects mass transfer resistance.
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How does the thickness of a liquid affect movement?
3Question 3.
What does Fick's law of diffusion determine?
- Rate of reaction
- Rate of diffusion
- Rate of temperature change
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Consider the main focus of Fick's law.
4Question 4.
True or False: Increasing viscosity of a medium decreases mass transfer rates.
- True
- False
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Think about how thicker liquids behave.
Question 5.
Calculate the flux of a pollutant from sediment to water using given concentration values and diffusion coefficient.
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You need values for all variables to compute flux.
Question 6.
Design a mass balance for a hypothetical river affected by sediment pollution, detailing all variables and their impacts.
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Use real-world cases as references for your variables.

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