The following data were obtained from a study of the decomposition of CHEM at 320 oC: t, seconds Concentration of CHEM, mole/L 0.00 2.32 400 1.72 800 1.30 Plot the data using the first- and second-order equations. A. What is the correlation coefficient (r) for each plot?      A1. r for first-order? a. -0.9998 b. -0.9948 c. 0.9980 d. 0.9998      A2. r for second-order?  a. -0.9998 b. -0.9948 c. 0.9980 d. 0.9998 B. What is the order for this reaction?  a. first order b. second order

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