Question 2 The liquid phase reaction, AB, was carried out in a batch reactor at room temperature. The following data were obtained: Time (min) CA (mol/dm³) 0 1.685 123456 10 1.225 20 0.870 30 0.615 40 0.440 50 0.310 60 0.220 a) Calculate dCA/dt using: 。 Numerical method. Graphical method (Use a graph paper to plot the data. Graph plotted using Microsoft Excel or any other software will not be accepted). [25 Marks] b) Determine the reaction order, a, and the specific reaction rate, k using a differential method and the dCA/dt obtained from section 2 (a) (Use a graph paper to plot the data. Graph plotted using Microsoft Excel or any other software will not be accepted) Derive the equation that you need to do the differential method. Define each equations with units. Tabulate the values of x and y-axis that has been used to plot the graph. 。 Compare your results of the reaction order,a, and the specific reaction rate, k using the dCA/dt obtained from section 2 (a) [35 Marks]