Practice Application Of Coefficients In Evaporation Problems (3.3) - Evaporation from Different Surfaces

Practice: Application of Coefficients in Evaporation Problems

Lesson 3.3Evaporation from Different Surfaces

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9 questions

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6 sample questions

Question 1.
Define mass transfer coefficient in your own words.
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Think about the phases involved in evaporation.
Question 2.
True or False: DNAPLs have a density less than water.
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Recall the definition of DNAPLs.
3Question 3.
What does a mass transfer coefficient indicate?
- The speed of a stream
- The rate of mass transfer
- The density of a liquid
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Consider what impacts the movement of molecules.
4Question 4.
True or False: DNAPLs can cause significant contamination of water bodies.
- True
- False
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Recall the properties of DNAPLs.
Question 5.
You have a river with DNAPL concentration of 5 mg/L and an expected V* of 15 mg/L. With a calculated mass transfer coefficient of 0.25 cm/h, calculate the flux.
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Use the flux equation directly, substitute the given values.
Question 6.
If you had to create a new correlation for a compound with significantly different properties, what factors would you need to consider?
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Think of how fundamentals change with different substances.

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