Respuesta :
The overall order of the reaction is 3 and the rate law for the reaction is rate = Â [A]^n [B]^m [C]^l
How to find the Order of Reaction?
1) The order of reactant A is first order reactant because a first-order reaction can be defined as a chemical reaction in which the reaction rate is linearly dependent on the concentration of only one reactant.
The order of reactant B is second order reactant because a second order reaction is a type of chemical reaction that depends on the concentrations of one-second order reactant or two first-order reactants.
Thus, the overall order of the reaction is 3.
2) The rate law in this reaction is;
rate = Â [A]^n [B]^m [C]^l
But in this question, since the reactant C is zero order, then it will be simplified to; rate = k[A][B]² .
3) When we plug in the initial concentrations of A and B, we will get the rate constant of the problem which is k = 20.
4) The initial rate when [A]0=4.87 mmol⋅L−1 , [B]0=0.184 mmol⋅L−1 , and [C]0=12.0 mmol⋅L−1 is;
Rate = 20 * 4.87 * 0.184²
Rate = 3.3
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