41. Solution to Chemistry Problem

41. Solution to Chemistry Problem

12. Based on the kinetic data obtained at temperature T1 in the table, determine the order of the reaction, the rate constant, and the time during which 90% of the initial substance will react. Based on the given value of activation energy, calculate the rate constant at temperature T2, the Van´t Hoff temperature coefficient, and the pre-exponential factor of the Arrhenius equation. In the table, C0 are the initial concentrations of substances.
Option Reaction, kinetic data T1, K T2, K E, kJ/mol
12 Cl-+HClO=Cl2+OH- (the concentrations of the initial substances are equal) 320 370 50
t1/2, s 1.5 3 5 7.4
C0, mol/l 0.1 0.05 0.03 0.02

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