The activity of penicillin is proportional to its concentration. This antibiotic decomposes slowly when stored in pH 7 at room temperature. The time dependence of this decomposition is given below. Does this decomposition follow first or second order kinetics? (50 points) sone = Act x m Time (weeks) Activity 10100 8180 6900 5380 3870 8. 2000 10 1330 12 898 15 403
The activity of penicillin is proportional to its concentration. This antibiotic decomposes slowly when stored in pH 7 at room temperature. The time dependence of this decomposition is given below. Does this decomposition follow first or second order kinetics? (50 points) sone = Act x m Time (weeks) Activity 10100 8180 6900 5380 3870 8. 2000 10 1330 12 898 15 403
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter18: Chemical Kinetics
Section: Chapter Questions
Problem 49P
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This is not a exam/ test question:) you can see that our prof has written sth on this question, it is a question that he wants us to practice on our own in lecture. Thanks
Topic related to 1st order/ 2nd order kinetics, need excel/graph to do this question, need TWO plots to check whether they are 1st/2nd order
concentration = activity * m (concentration is proportional to activity plus a constant m)
1/[A] =1/[A]0 + Kt
1/[Activity* m] = 1/[Activity0 *m] +Kt
1/[Activity] =1/ [Activity]0 + mKt
- Do we follow the equations of zeroth, 1st, 2nd order reactions?
- What is the key idea to determine whether this data gives 1st or 2nd order kinetics?
- Our prof was saying that if it's linear graph, means it is in correct order. BUT i have plotted 3 datas, two of them looks kinda linear to me. (the 2nd order and zeroth order graph are similar) If we are choosing from zeroth/2nd order, how do we determine its order if it's line is similar in linearity?
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