1.1 - Interphase Mass Transfer – Application to Environmental Interfaces
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Practice Questions
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Define molecular diffusion.
💡 Hint: Think about how perfumes spread in a room.
What is bulk flow?
💡 Hint: Consider how rivers flow.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary mechanism of mass transfer in a stagnant lake?
💡 Hint: Think of quiet lakes with no strong winds.
True or False: In groundwater, molecular diffusion can often be neglected.
💡 Hint: Consider how groundwater flows through different soil types.
2 more questions available
Challenge Problems
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A chemical spill occurs near a riverbank. Discuss the relative importance of advection and diffusion in the river versus the groundwater below the river.
💡 Hint: Think about flow velocities in each medium.
Evaluate how the seasonal temperature profile of a lake affects its stratification and subsequent pollutant transport.
💡 Hint: Consider how layers in a lake interact based on different temperatures.
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