The kinetics for the reaction 2 A + 3 B right arrow c + 2 D were studied at 20 D
ID: 983429 • Letter: T
Question
The kinetics for the reaction 2 A + 3 B right arrow c + 2 D were studied at 20 Degree C, and the following data were obtained by monitoring the rate of consumption of A. If is takes t seconds for A to be consumed, the initial rate for the consumption of A is equal to the intial concentration of A divided by the product of the time required for A to be consumed and the stoichiometric coefficient of A. rate = -1/a (delta [A]/delta t) = 1/2 ([A]_initial/t _consumption of A) Calculate the initial concentrations of A and B, and the initial rate for rech Experiment. Enter the results in the table below.Explanation / Answer
A.
Experiment.......Initial [ A ] in M........................Initial [ B ] in M................Initial rate for consuming A in M / s
.......................Calculated using relation ( M1 V1 = M2 V2 ) or ,................... = 1/2 { [A] initial / tconsumption of A } .............................{ Minitial x Vinitial = Mused x 50* }........................................................................................
........1 ................,,,,,,1.6 x 10-3 M.............................4.0 x 10-2 M....................................9.756 x 10-6 M /s....
........2 ......................3.2 x 10-3 M.............................4.0 x 10-2 M....................................3.902 x 10-5 M /s....
.......3....................... 1.6 x 10-3 M.............................1.2 x 10-1 M....................................9.756 x 10-6 M /s....
* Note that total volume of the solution after adding distilled water becomes 50.0 ml in each experiment.
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