Now, using either the graphical method, differentiation formulas, or the polynomial derivative, the following table can be set up:

The reaction order can now be found from a plot of ln (–*dC*_{A}/*dt*) as a function of ln *C*_{A}, as shown in Figure 7-5(a), since

**7-7**

Before solving an example problem, review the steps to determine the reaction rate law from a set of data points (Table 7-1).

**Example 7-2. Determining the Rate Law**

The reaction of triphenyl methyl chloride (trityl) (A) and methanol (B) discussed in Example ...

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