Question 2 The bromination of a hydrated amine complex in aqueous system was studied. The reaction is: Complex + Br2 (Complex-Br) + Br + H* es m3, while the initial The initial bromine concentration was 72.6 micron complex concentration was 1.49 moles m3. The r these conditions. tion is irreversible under The following data were reported from the study. Br2 concentration in solution (micromole m3) Number Time, t (seconds) 1 72.6 432 63.6 3 684 58.9 4 936 55.3 1188 51.6 48.1 6 1422 7 1632 45.2 38.8 35.1 8 2058 9 2442 (a) In this case, what would be the limiting reactant? Explain your answer. (b) Suggest a rate equation for the reaction studied. Give clear reasoning for your assumptions. (c) Using the data above, calculate the reaction rate constant. Clearly show the steps for your data analysis method. (d) It is wished to process a reaction mixture with a similar composition as stated at the beginning of this problem. The flow rate of the aqueous bromine – hydrated amine complex is 1000 L hr'. What would be the volume of a PER needed to reduce the Br2 content by 99%? If you are unable to find a value of rate constant in (c) you may use a value of 1.5x10-3 s1.
Question 2 The bromination of a hydrated amine complex in aqueous system was studied. The reaction is: Complex + Br2 (Complex-Br) + Br + H* es m3, while the initial The initial bromine concentration was 72.6 micron complex concentration was 1.49 moles m3. The r these conditions. tion is irreversible under The following data were reported from the study. Br2 concentration in solution (micromole m3) Number Time, t (seconds) 1 72.6 432 63.6 3 684 58.9 4 936 55.3 1188 51.6 48.1 6 1422 7 1632 45.2 38.8 35.1 8 2058 9 2442 (a) In this case, what would be the limiting reactant? Explain your answer. (b) Suggest a rate equation for the reaction studied. Give clear reasoning for your assumptions. (c) Using the data above, calculate the reaction rate constant. Clearly show the steps for your data analysis method. (d) It is wished to process a reaction mixture with a similar composition as stated at the beginning of this problem. The flow rate of the aqueous bromine – hydrated amine complex is 1000 L hr'. What would be the volume of a PER needed to reduce the Br2 content by 99%? If you are unable to find a value of rate constant in (c) you may use a value of 1.5x10-3 s1.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
Related questions
Question
Please solve part c and d only
Transcribed Image Text:Question 2
The bromination of a hydrated amine complex in aqueous system was studied.
The reaction is:
Complex + Br2
(Complex-Br) + Br + H*
es m3, while the initial
The initial bromine concentration was 72.6 micron
complex concentration was 1.49 moles m3. The r
these conditions.
tion is irreversible under
The following data were reported from the study.
Br2 concentration in
solution (micromole m3)
Number
Time, t
(seconds)
1
72.6
432
63.6
3
684
58.9
4
936
55.3
1188
51.6
48.1
6
1422
7
1632
45.2
38.8
35.1
8
2058
9
2442
(a) In this case, what would be the limiting reactant? Explain your answer.
(b) Suggest a rate equation for the reaction studied. Give clear reasoning for
your assumptions.
(c) Using the data above, calculate the reaction rate constant. Clearly show
the steps for your data analysis method.
(d) It is wished to process a reaction mixture with a similar composition as
stated at the beginning of this problem. The flow rate of the aqueous
bromine – hydrated amine complex is 1000 L hr'. What would be the
volume of a PER needed to reduce the Br2 content by 99%?
If you are unable to find a value of rate constant in (c) you may use a
value of 1.5x10-3 s1.
Expert Solution
Step 1
There are two different methods of analysis, one is a differential method of analysis, and the other is an integral method of analysis. In integral analysis, we assume order and the plot must for the same order must be a straight line, if not then we will go to the next order. The slope gives a negative rate constant. The plot will be between concentration and time.
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