Determine the rate law for the reaction A + B → C + D given the following experiment data.  Trial        [ A]o      [B]o      Initial Rate (M/min)   1             0.25       0.40                 7.25 2             0.75       0.40                 21.5 3             0.50       0.80                 14.5 4             0.75       0.40                 21.5

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