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29. Solving a chemistry problem
Uploaded:
20.04.2023
Content: 18.rar 54,95 kB
Content: 18.rar 54,95 kB
Product description
18. When studying the kinetics of thermal decomposition of substance A, the initial concentration of which is 90 mol / m3, the values of the reaction rate constants at different temperatures were obtained
T, K 830 840 850 865 870
k, min-1 0.0067 0.01 0.0149 0.0255 0.0308
Determine: 1) by a graphical method the value of the activation energy;
2) calculate the value of the pre-exponential factor;
3) calculate the concentration of the initial substance after 15 minutes from the start of the reaction proceeding at a temperature of 840 K.
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