For the AB liquid phase reaction, the following data were obtained in the batch reactor. Beginning its concentration is CA0=2. Rate of reaction  = ^ reaction as given Calculate the degree() and rate constant(k).

Time(min) 5 15 25 35 45 55 70

Transformaton(XA) 0.13 0.31 0.43 0.51 0.57 0.62 0.68