Practice Environmental Quality: Monitoring And Analysis (1) - Interphase Mass Transfer – Application to Environmental Interfaces

Practice: Environmental Quality: Monitoring and Analysis

Lesson 1Interphase Mass Transfer – Application to Environmental Interfaces

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8 questions

Flashcard drill
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
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Define molecular diffusion.
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Think about how smells spread.
Question 2.
What is bulk flow?
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Consider how a river transports debris.
3Question 3.
Molecular diffusion involves movement from ___ concentration to ___ concentration.
- High
- Low
- Low
- High
- Equal
- Different
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Recall how fragrances travel through the air.
4Question 4.
True or False: Bulk flow can sometimes be negligible in certain environments.
- True
- False
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Think about lakes without wind.
Question 5.
A chemical is introduced at the bottom of a stratified lake. Considering diffusion and bulk flow, predict the behavior of this chemical after one week.
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Consider the temperature gradients in the water layers.
Question 6.
Design an experiment to measure the diffusion rate of a pollutant in a saturated soil sample. Describe the procedure.
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Think about how gradients will affect these measurements.

4 more questions in this section. Enroll free to practise them all.