Interpretation : The order of the reaction with respect to A, B, and C and the overall order of the reaction is to be determined.
Concept Introduction : The link between a
Answer to Problem 139A
The order of the reaction with respect to A, B, and C are one, two, and zero respectively.
The overall order of the reaction is three.
Explanation of Solution
The power dependency of the rate on the concentrations of all reactants can be used to define the order of the reaction.
From the given table, the four experiments of initial concentrations of A, B and C with rate can be determined.
Compare the experiment 1 and 2 values.
The concentrations of B and C are the same and only the concentration of A differs.
The concentration of A is given as
The rate of two reactions is given as
The order of A is 1.
Compare the experiment 2 and 3 values.
The concentrations of A and C are the same and only the concentration of B differs.
The concentration of B is given as
The rate of two reactions is given as
The order of B is 2.
Compare the experiment 1 and 4 values.
The concentrations of B and A are the same and only the concentration of C differs.
The concentration of C is given as
The rate of two reactions is given as
The order of C is 0.
The rate of the reaction is given as
The overall order of the reaction is the sum of the order of the individual concentrations.
So, the overall order is 3.
Chapter 19 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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