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Problem 4. (10 points) Please answer the following questions as succinctly as possible. (5 points each) a. A solute (A) diffuses from a gas phase

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Problem 4. (10 points) Please answer the following questions as succinctly as possible. (5 points each) a. A solute (A) diffuses from a gas phase (on the left), through 2 solid layers (B and C) and into a gas phase (on the right.) Sketch the concentration profiles in the solid phases assuming that SA-B Dac. B b. Explain how porosity and tortuosity affect diffusive transport in porous materials

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