The following nonelementary reaction 2A +2BC is conducted in an isothermal 2 liters constant volume batch reactor. The following data has been obtained: CA (mol/L) CB (mol/L) (-r) (mol/L/s) 1.6 14.41 12 34 36 34 12 68 3.2 272 12 12.8 144 230.4 (a) Use the power law to determine the values of the constants (b) What are the units of k