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3 cards from this section. Quick, good the night before a test.
What does Fick's Law describe?
Think about how substances move from higher to lower concentrations.
List two factors affecting diffusion coefficients.
Consider how these characteristics influence movement.
What does Fick's Law state about the relationship between concentration and mass flux?
Consider how substances move in response to concentration differences.
True or False: Higher viscosity results in increased diffusion rates.
Think about how thick liquids behave compared to lighter fluids.
Calculate the mass flux of a pollutant that has a concentration difference of 12 mg/L across a distance of 0.5 m, if the diffusion coefficient in the medium is 0.015 m²/s.
Remember to pay attention to the units, ensuring consistency across the calculations.
Describe how you would design an experiment to assess the impact of increased fluid velocity on the rate of mass transfer in a controlled environment, and what variables you would measure.
Think about what tools you would need to accurately monitor and measure the affecting variables.
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