Urea decomposes in hot water in acidic media according to the following mechanism: k1 (NH2)2CO = NCO¯ + NH¢ k-1 k2 NCO¯ + 2H30+→C02 + H20 + NH We will consider that all species remain in solution in the conditions of the reaction. By applying the quasi-steady state approximation on the cyanate NCO- intermediate, express the rate of formation of CO2 as a function of the concentration in urea, in hydronium H30* and in ammonium NH4*.

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Urea decomposes in hot water in acidic media according to the following
mechanism:
k1
(NH2)2CO = NCO- + NH
k-1
k2
NCO- + 2H30+→C02 + H20 + NH;
We will consider that all species remain in solution in the conditions of the
reaction. By applying the quasi-steady state approximation on the cyanate NCO-
intermediate, express the rate of formation of C02 as a function of the
concentration in urea, in hydronium H30* and in ammonium NH4*.
Transcribed Image Text:Urea decomposes in hot water in acidic media according to the following mechanism: k1 (NH2)2CO = NCO- + NH k-1 k2 NCO- + 2H30+→C02 + H20 + NH; We will consider that all species remain in solution in the conditions of the reaction. By applying the quasi-steady state approximation on the cyanate NCO- intermediate, express the rate of formation of C02 as a function of the concentration in urea, in hydronium H30* and in ammonium NH4*.
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