Question: Error in neglecting the convection term in evaporation (a) Rework the problem in the text in S18.2 by neglecting the term x A (N A

Error in neglecting the convection term in evaporation

(a) Rework the problem in the text in S18.2 by neglecting the term x_A (N_A + N_B) in Eq. 18.0-1. Show that this leads to this is a useful approximation if A is present only in very low concentrations.

(b) Obtain the result in (a) from Eq. 18.2-14 by making the appropriate approximation.

CD AB (XA1 XA2) (1 Z2 Z, NAZ Z2

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dx A NA C AB dz Integration of the latter equation twice then gives XA CZ C Then app... View full answer

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