For the thermal decomposition Of F2O by the reaction 2 F2O (g) 2 Fl (g) + 0z

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For the thermal decomposition Of F2O by the reaction 2 F2O (g) →2 Fl (g) + 0z (g),) Czarnowski and H) Schumacher (Chem. Phys. Lett. 17, 235 (1972)) have suggested the following mechanism:


For the thermal decomposition Of F2O by the reaction


(a) Using the steady-state approximation, show that this mechanism is consistent with the experimental rate law -d[F2O]/dt= k[F20]2 + k'[F2O]3/Z.

(b) The experimentally determined Arrhenius parameters in the range 501-583 K are A = 7.8 x 1013 dm3 mol-1 s-l, E/R = 1.935 x 104 K for k and A = 2.3 X 1010 dm ' mol"! S-I, Ea/IR = 1.691 x 104 K for k', At 540 K, ∆f H (F2O) =+24.41 k] mol-1, D (F-F) = 160.6 k) mol-1, and D (O-O) = 498.2 k] mol-1 Estimate the bond dissociation energies of the first and second F~O bonds and the Arrhenius activation energy of reaction 2.

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