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2 cards from this section. Quick, good the night before a test.
What is a soil-air interface?
Think about where soil meets air.
Define mass balance in your own words.
How do you think mass should behave in a closed system?
What influences chemical behavior at the soil-air interface?
Consider the effects of wetness on chemical properties.
True or False: Mass balance can only be applied in liquid systems.
Think of the definition of mass balance.
Given that a certain area of soil has a partition constant of 0.5 in dry conditions and 0.2 in wet conditions, calculate the expected difference in pollutant flux assuming other factors remain constant.
Consider how lower partition constants relate to higher mobility.
You have a river with an inflow concentration of 50 mg/L and outflow concentration of 30 mg/L. If the flow rate is 100 L/min, calculate the flux.
Make sure to account for the direction of flow and concentrations.
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