4. Determine the order and rate constant of the reaction occurring at a given temperature T, K, using data on the progress of the process over time t (from the beginning of the reaction).

Option 4 Reaction time t, min a time t, min a T, K
4 Ra → RaA
a – gas volume Ra*10-6, m3 0 0.102 250 0.016 293.2
70 0.062 360 0.007
110 0.044 450 0.003
140 0.033 600 0.002
165 0.025 750 0
200 0.019

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