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...
Related questions
Question
For the first one use the graphs below its image to determine the answer
For the other 3 answers they must have indicated amount of sig figs and be in kJ/mol!!!
![What is the initial concentration of A in reaction 2? Give your answer to three decimal places.
Reaction 2: A --> B
Time (min)
In[A]
15
1.22
30
1.16
45
1.10
60
1.04
75
0.98
90
0.92
105
0.86
120
0.80
135
0.74
150
0.68
Using the experimental data shown below, calculate the activation energy for the reaction and determine the value of the rate constant at 699 K. Give both answers to
3 sig. figs.
Temp, °C
k (sec 1)
852
11.59
780
1.67
728
0.38
565
0.0011
Activation Energy =
kJ/mole
Rate constant =
sec-1
Determine the activation energy (in kJ/mole to four sig. figs.) for the following reaction, given the data below:
--> 2 NO2(2) + 1/2 O2(2)
Temp, °C
k (M-min 1)
65
4.87E-3
55
1.50E-3
45
4.98E-4
35
1.25E-4
25
3.46E-5
7.87E-7](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F92645611-e15f-4bac-9fff-1e4fb861fd23%2F3494265b-f09c-4743-9805-394debe5c89c%2Fbuca8dy_processed.jpeg&w=3840&q=75)
Transcribed Image Text:What is the initial concentration of A in reaction 2? Give your answer to three decimal places.
Reaction 2: A --> B
Time (min)
In[A]
15
1.22
30
1.16
45
1.10
60
1.04
75
0.98
90
0.92
105
0.86
120
0.80
135
0.74
150
0.68
Using the experimental data shown below, calculate the activation energy for the reaction and determine the value of the rate constant at 699 K. Give both answers to
3 sig. figs.
Temp, °C
k (sec 1)
852
11.59
780
1.67
728
0.38
565
0.0011
Activation Energy =
kJ/mole
Rate constant =
sec-1
Determine the activation energy (in kJ/mole to four sig. figs.) for the following reaction, given the data below:
--> 2 NO2(2) + 1/2 O2(2)
Temp, °C
k (M-min 1)
65
4.87E-3
55
1.50E-3
45
4.98E-4
35
1.25E-4
25
3.46E-5
7.87E-7
Expert Solution
Step 1
We are given set of data of chemical kinetics
In 1st question we have to find intial concentration given lnA and time values
In 2nd and 3rd questions we are given a data of time and rate constant and we have to find activation energy
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