MultipleSteadyStatesSurfaceReactions

Then from a site balance of the active centers we

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Unformatted text preview: e balance of the active centers we have: CT CAZ CZ (4) It will be convenient to work in fractional coverage Θ so that the site balance becomes Θ 1 1Θ (5) where CAZ Θ ,1 Θ CT CZ (6) CT The surface rate of production of species AZ is then RAZ k1 CA CZ k 1 CAZ k2 CAZ C2 Z mol m2 where k1 is the rate constant for the absorption of species A with units of m3 mol s , k constant for the desorption of species AZ with units of s 2 reaction with units m 2 mol s . 1 (7) s 1 is the rate , and k2 is the rate constant for the surface 2 MultipleSteadyStatesSurfaceReactions.nb where k1 is the rate constant for the absorption of species A with units of m3 mol s , k constant for the desorption of species AZ with units of s 2 reaction with units m 1 1 is the rate , and k2 is the rate constant for the surface 2 mol s . In the subsequent analysis it will be convenient to work in surface coverage Θ so that Eq. (7) is expressed as RAZ k1 CA 1 Θ k 1 Θ k2 Θ 1 Θ 2 mol m2 (8) s where the rate constants k i are suitably defined in terms of CT , see Eq. (7). Thus k1 CT k1 , k k 1 1 k2 C3 T CT , k2...
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