Chemical Reaction Kinetics course homework Consid chl er the reaction mechanism

Question

Chemical Reaction Kinetics course homework Consid chl er the reaction mechanism and (fictional) data for the decomposition of aluminum oride (AICls) in the presence of hydrogen (H2) that are given below. The mechanism includes forward and reverse rate reaction in the forward direction. Using the given mechanism and rate linear least squares resulting model prediction for the AICls profile along with the experimental data. Compute the sensitivi How analysis to determine the forward rate coefficient for reaction 1. Plot the ty of the AlCl concentration profile to each of the rate constants in the mechanism. does the sensitivity of the model results to the rate coefficient being determined compare to the sensitivity of the model results to the other rate coefficients? Comment on the effect of uncertainties in the other rate constants on the fitted value of the rate constant being measured. Al-H-CI Reaction Mechanism with Rate Parameters Reaction Number Reaction (1300 K,0.1 bar) ky (1300 K, 0.1 bar) To be determined 1.54x 10 s' 5.87x10 s 1.43x10s.' 1.64x 10s 1.77x10's| AICI2 All ICI AICI + Cl AICI + H 5.86x101 cm mol s 9.78x1015 cm mol s 1.13×109 cm" mol-l s-1 3.91x1010 cm mol s 4.64x1012 cm2 mol' s HCl H + Cl All IC12 AICI + HCI AICI2 + Cl2 AICI; + Cl AIHCl2 + H AICl; + H2 All ICI2 + H All ICI + HCI All Ich + ClAICI2 + HCI 2.20x 1012 cm3 mofigl 3.42x 10'3 cm3 mor' s-1 1.26x 1010 cm'mol.'si 7.50x1013 cm' mol.'si 9.45x103 cm3 mofigl 7.1 3x 109 cm3 mofl S-I 1.99x10': cm3 mof'si 5.18x109 cm' mol-1 s' 10 12 13 14 15 16 17 18 1.92x104 cm mol s 5.42x 1011 cm' mol.'s! 5.1 8x 1013 cm3 mol.'si AICI + Cl2 AICl; + Cl AIHCI +HAICI+H2 1.00x 1013 cm2 mol's2.11x102 cm AIHCI + Cle AICI + HCI mol' s 1.00x 1013 crm, mol.'si 1.08x10 cm mol's 1.81x10 6.94x101 cm mol1 s1 7.00x 10' cm' mal" s-I cm, mori S-1 2.30x1012 cm2 mol- sl A plot of the fictional AICls concentration vs. time data for initial conditions of 1300 K, 0.1 bar total pressure, H2 mole fraction of 0.99, and AlCls mole fraction of 0.01 is given on the following page. The experimental data is provided as spreadsheet format in the separate file, in which the first column is the time and the second column is the AlClj concentration (in mol/em). Original data is also attached in this file.

Explanation / Answer

Experimental datas are given. As we plot time with Alcl3 as time increases small variation in Alcl3 concentration

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