Question: Steady-state evaporation (Fig. 18.2-1), rework the problem solved in S18.2, dealing with the evaporation of liquid A into gas B, starting from Eq. 19.1-17. (a)

Steady-state evaporation (Fig. 18.2-1), rework the problem solved in S18.2, dealing with the evaporation of liquid A into gas B, starting from Eq. 19.1-17.

(a) First obtain an expression for v*, using Eq. (M) of Table 17.8-1, as well as Fick's law in the form of Eq. (D) of Table 17.8-2.

(b) Show that Eq. 19.1-17 then equation: becomes the following nonlinear second-order differentia

(dxA dxA dz? 1- XA ( dz

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