The data in the table below were obtained for the reaction:
A + B → P
-The order of the reaction in A is ________.

Question

The data in the table below were obtained for the reaction:
A + B → P 
-The order of the reaction in A is ________.

Quizplus · Accepted Answer

The order of the reaction in A can be calculated by comparing the initial rates of reaction with different initial concentrations of A while keeping the concentration of B constant. From the table, when the concentration of A is doubled while the concentration of B is constant, the rate of reaction increases by a factor of four (1st and 2nd rows). This suggests that the reaction is 2nd order in A.

The Data in the Table Below Were Obtained for the Reaction