Question: Concentration data was taken at 15 time points for the polymerization reaction xA + yB A x B y We assume the reaction occurs

Concentration data was taken at 15 time points for the polymerization reaction

xA + yB → A_xB_y

We assume the reaction occurs via a complex mechanism consisting of many steps. Several models have been hypothesized and the sum of the squares of the residuals had been calculated for the fits of the models of the data. The results are shown below. Which model best describes the data (statistically)? Explain your choice.

Model B 105 Model C Model A 135 ICO Number of medlel unelers fit

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