Given the data below for the decomposition of peroxyacetyl nitrate, an air pollutant produced in photochemical smog: T, K k, s-1 273.15 5.6 x 10-6 283.15 3.2 x 10-5 293.15 1.6 x 10-4 303.15 7.6 x 10-4 Using linear regression, calculate the: A. Slope [Select ] B. y-intercept [Select] C. Collision frequency factor [Select] D. Activation energy (in J/mol) [Select]

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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Given the data below for the decomposition of peroxyacetyl nitrate, an air pollutant produced in
photochemical
smog:
T, K
k, s-1
273.15
5.6 x 10-6
283.15
3.2 x 10-5
293.15
1.6 x 10-4
303.15
7.6 x 10-4
Using linear regression, calculate the:
A. Slope [Select ]
B. y-intercept [Select]
C. Collision frequency factor [Select]
D. Activation energy (in J/mol) [Select]
Transcribed Image Text:Given the data below for the decomposition of peroxyacetyl nitrate, an air pollutant produced in photochemical smog: T, K k, s-1 273.15 5.6 x 10-6 283.15 3.2 x 10-5 293.15 1.6 x 10-4 303.15 7.6 x 10-4 Using linear regression, calculate the: A. Slope [Select ] B. y-intercept [Select] C. Collision frequency factor [Select] D. Activation energy (in J/mol) [Select]
The following data were obtained from a study of the decomposition of a sample of HI on the
surface of gold at 320 °C:
Concentration
t, seconds
of HI, mmole/L
0.00
5.46
250
3.60
500
2.30
750
1.37
Plot the data using the first- and second-order equations.
1. What is the correlation coefficient (r) for each plot?
a. r for first-order? [Select]
b. r for second-order? [Select]
2. What is the order for this reaction? [Select]
3. What is the rate constant? [Select]
4. What is the HI concentration (in mmol/L) at 450 s? [Select]
Transcribed Image Text:The following data were obtained from a study of the decomposition of a sample of HI on the surface of gold at 320 °C: Concentration t, seconds of HI, mmole/L 0.00 5.46 250 3.60 500 2.30 750 1.37 Plot the data using the first- and second-order equations. 1. What is the correlation coefficient (r) for each plot? a. r for first-order? [Select] b. r for second-order? [Select] 2. What is the order for this reaction? [Select] 3. What is the rate constant? [Select] 4. What is the HI concentration (in mmol/L) at 450 s? [Select]
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