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3 cards from this section. Quick, good the night before a test.
What is a mass transfer coefficient?
Think about the relationship between different environmental conditions.
Define flux in the context of mass transfer.
Remember it relates to both movement and area involved.
What does the mass transfer coefficient represent?
Consider what influences phase changes.
True or False: The differential equation for concentration over time is always positive.
Think about the behavior of substances dissipating from a system.
A chemical spill of 1000 liters occurs on a road. Given a mass transfer coefficient, calculate the time taken for the concentration in the air to reach ahazardous level if the wind speed is known.
Break down the problem into steps: Calculate flux first, then apply it to the concentration gradient over time.
Consider a lake where evaporation is influenced by temperature changes. How would you set up a model to show these changes over time?
Think about factors that can vary over time and how they can be included in your differential equations.
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