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4 cards from this section. Quick, good the night before a test.
What does the mass transfer coefficient represent?
Think about what factors affect how easily substances can move.
Define flux in the context of mass transfer.
Consider how you measure the movement of substances.
What does the mass transfer coefficient indicate?
Relate it to how easily substances move.
True or False: Flux measures the speed of mass transfer.
Think about what units flux would have.
Given the bulk concentration of a pollutant in a lake is 5 mg/L and the equilibrium concentration in air is 0.1 mg/L, calculate the mass transfer flux if the mass transfer coefficients for air and water are 0.01 and 0.1 m/s respectively.
Make sure to differentiate between bulk and equilibrium concentrations.
Design an experiment to measure the mass transfer coefficient for a gas dissolving in a liquid. Detail the necessary materials and the procedure.
Remember to account for temperature and pressure changes during the experiment.
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