Question: 1) A material (species A) is diffusing through a plane covered by a catalytic material and turns into species B by a catalytic reaction on

1) A material (species A) is diffusing through a plane covered

1) A material (species A) is diffusing through a plane covered by a catalytic material and turns into species B by a catalytic reaction on the surface of the wall. The reaction is 3AB, and species B is diffusing in the reverse direction (NBz). Taking the film thickness in which diffusion is occurring as , and assuming the total concentration as constant, calculate the molar flux of A(NAZ) at steady state. The molar ratio of A at a distance from the plane is xA0. Take reaction constant k as constant

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