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
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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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?
![1/Activity
0.006
Time (weeks)
In[Activity]- 1st order
9.22029070282935
0.005
1
9.00944742959679
2
8.83927669058535
0.003
8.59044365315583
8.26100978602383
0.002
7.60090245954208
10
7.1929342212158
1
2
3
8 10 12 15 20
12
6.8001700683022
Time (weeks)
1/ Activity - 2nd order
15
5.99893656194668
0.000099009900990099
20
5.11799381241676
1
0.000122249388753056
- Untitled 1
0.000144927536231884
0.000185873605947955
11000
0.000258397932816537
8250
8
0.0005
5500
10
0.00075187969924812
12
0.00111358574610245
2750
15
0.00248138957816377
1.
2
3
8
10 12 15 20
20
0.00591715976331361
- In Activity
Time (weeks)
Activity - zeroth order
10
10100
1
8180
7.5
2
6900
5380
3870
8
2000
2.5
10
1330
12
898
0 1
2
3
5
8
10
12
15
20
LO](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe0dd0615-5392-46ed-af9f-2afbe8658b62%2Fb069af43-7597-4334-9aa8-8f3c2c8a5d48%2Fuw7ov6y_processed.png&w=3840&q=75)
Transcribed Image Text:1/Activity
0.006
Time (weeks)
In[Activity]- 1st order
9.22029070282935
0.005
1
9.00944742959679
2
8.83927669058535
0.003
8.59044365315583
8.26100978602383
0.002
7.60090245954208
10
7.1929342212158
1
2
3
8 10 12 15 20
12
6.8001700683022
Time (weeks)
1/ Activity - 2nd order
15
5.99893656194668
0.000099009900990099
20
5.11799381241676
1
0.000122249388753056
- Untitled 1
0.000144927536231884
0.000185873605947955
11000
0.000258397932816537
8250
8
0.0005
5500
10
0.00075187969924812
12
0.00111358574610245
2750
15
0.00248138957816377
1.
2
3
8
10 12 15 20
20
0.00591715976331361
- In Activity
Time (weeks)
Activity - zeroth order
10
10100
1
8180
7.5
2
6900
5380
3870
8
2000
2.5
10
1330
12
898
0 1
2
3
5
8
10
12
15
20
LO
![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)
cone= Act x m
Act
Time (weeks)
Activity
10100
8180
6900
5380
3870
8.
2000
10
1330
12
898
15
403
20
167](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe0dd0615-5392-46ed-af9f-2afbe8658b62%2Fb069af43-7597-4334-9aa8-8f3c2c8a5d48%2Ffb91crj_processed.png&w=3840&q=75)
Transcribed Image Text: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)
cone= Act x m
Act
Time (weeks)
Activity
10100
8180
6900
5380
3870
8.
2000
10
1330
12
898
15
403
20
167
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