86 Решение задачки по химии №08 675

424. Using the following data, determine the coefficients of the Arrhenius equation for the second-order reaction 2HI → H2 I2 by a graphical method. Calculate the rate constant at 374 C and the concentration of hydrogen iodide 68 minutes after the start of the reaction at this temperature (the initial concentration of hydrogen iodide is 2.58 mol/l)

T, K 556 629 666 700 716 781
k, L*mol-1*s-1 3.52*10-7 3.02*10-5 2.19*10-4 1.16*10-3 2.50*10-3 3.95* 10-2

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