13. Solving a chemistry problem

3. Determine the order and rate constant of the reaction proceeding at a given temperature T, K, using data on the course of the process in time t (since the beginning of the reaction).
variant Reaction t a T,K
3 С6H5C≡CCOONa I2 → С6H5 I=CICOONa
Initial concentrations are equivalent to:
a – volume of 0.1 N Na2S2O3 used for titration of 25*10-7 m3 of sample, cm3 0 24.29 298.2
29 8.32
0 21.00
34.5 7