The following table gives the instantaneous rates of the disappearance of A in a reaction between A and B, at various concentrations of both reactants. Find the values of x, y, and the rate constant k, if the reaction rate expression is of the form: 1, = -kC} C. Ce (mol/L) 3.1 x 105 6.2 x 105 CA (mol/L) -TA (mol/L-s) 2.3 x 104 5.2 x 104 4.6 x 104 9.2 x 104 4.16 x 103 1.66 x 102 6.2 x 105