Question: Consider a solute that is diffusing from a gas to liquid phase. As it diffuses through the liquid phase, it reacts with the liquid. The

Consider a solute that is diffusing from a gas to liquid phase. As it diffuses through the liquid phase, it reacts with the liquid. The concentration of the solute in the liquid phase at the interface is 8%0. At a distance < into the liquid phase, the concentration of the solute goes down to 0.

The reaction taking place is zero-order and shown below:

Conditions: r1 = k when c1 > 0

r1 = 0 when c1 = 0

(a) What is the mass transfer coefficient if no chemical reaction was taking place? (b) For the case where the zero-order reaction takes place, what is the differential equation and boundary conditions that describe this system? (c) Starting from part (b), calculate the new mass transfer coefficient.

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