Задачка по химии №000 031

2. When studying the kinetics of the reaction 2A B = 2D E, the following data were obtained on the change in the concentration of substance A over time:
τ , min 0 2.5 3.0 6.0 11.0 15.0
SA, mol/l 0.025 0.0215 0.0211 0.0184 0.0155 0.013
Determine the rate constant and order of the reaction (for substance A).

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