The rate of this reaction was studied in the presence of a large excess of ozone

Question

The rate of this reaction was studied in the presence of a large excess of ozone. Determine the psuedo-first-order rate constant and the second-order rate constant for the reaction from the following date:

Pseudo-first-order rate constant= ________________s^-1

Pseudo-second-order rate constant=_______________M^-1

Time [HO2] (M) [O3](M) 0 3.2 x 10^-6 1.0 x 10^-3 10 2.9 x 10^-6 1.0 x 10^-3 20 2.6 x 10^-6 1.0 x 10^-3 30 2.4 x 10^-6 1.0 x 10^-3 80 2.4 x 10^-6 1.0 x 10^-3 The rate of this reaction was studied in the presence of a large excess of ozone. Determine the psuedo-first-order rate constant and the second-order rate constant for the reaction from the following date: Pseudo-first-order rate constant= ________________s^-1 Pseudo-second-order rate constant=_______________M^-1

Explanation / Answer

K= A x e-Ea/RT

R=8.314 x 10-3 KJ/mol

K1= 2.5 x 10-11 e-2.16/(8.314x10-3 x 298)= 1.045 x 10-11

K2 using the same equation:

K2=2.22 x 10-14

The larger rate constant is K1

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