Practice Future Directions For Analysis (7.2) - Introduction - part A - Environmental Quality Monitoring & Analysis,

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9 questions

Flashcard drill
4 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
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a mass balance?
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Think about conservation of mass.
Question 2.
Define Chemical A in the context of this section.
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It's not a real substance but a model for understanding contaminants.
3Question 3.
What is the main principle of a mass balance?
- Mass can be created
- Mass can be destroyed
- Mass is conserved
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Think about what happens in a closed system.
4Question 4.
True or False: Chemical A is derived from the rainwater.
- True
- False
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Recall what we've discussed about the sources of A.
Question 5.
A tank initially contains 500 kg of sludge with 20 mg/kg of chemical A. If 1000 m³ of rainwater is added (with no A), calculate the new concentration of A in the water phase.
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Don't forget to convert m³ of water to kg (density 1000 kg/m³).
Question 6.
Explain the role of kinetic factors in a real-world example of pollutant dispersion in a body of water.
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Consider how flow rates in streams or rivers might affect dispersion.

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