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[lekzor]

Hi,
Please l need someone who can help me with this problem l am working on:

Consider a second order, irreversible reaction occurring at steady state in a liquid film of thickness L. The concentration of the reactant (species A) at X=0 is Co, and the is no transport across the surface at X=L. The volumetric reaction rate is given by:
Rv= - K^C2

Assuming that the reaction is slow relative to diffusion , use regular perturbation scheme to determine C(x) and the flux at x=0. The small parameter is the Damkohler number,Da=KCo^L2/D .Obtain three terms in the expression for O=C/Co. That is, include terms which are order (^Da2).

I need the concentration profile of the second order reaction in the dimensionless form and if possible the pertubation eqution.
Thanks