The following is a set of data for the following reaction at 25 ^◦C.

(CH₃)₃CBr + H₂O → (CH₃)₃COH + HBr.

Using linear least squares, determine whether the reaction obeys first-order, second-order, or third-order kinetics and find the value of the rate constant.

Time/h              [(CH₃)₃CBr]/mol l⁻¹
0.............................................0.1051
5.............................................0.0803
10...........................................0.0614
15...........................................0.0470
20...........................................0.0359
25...........................................0.0274
30...........................................0.0210
35...........................................0.0160
40...........................................0.0123