The boundary conditions are ca x d csa ca x

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Unformatted text preview: JA is the molar flux (mol A/L2 time) and DeA is an effective diffusion coefficient (L2/time). The following steady- state mole balance of A is satisfied over the domain (- d < x < d): dJ A = − kC A dx where k is the first- order rate constant (1/time). The boundary conditions are CA ( x = − d ) = CsA CA ( x = d ) = CsA where CsA is the concentration at the surface o...
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