7. The following values of the rate constant were obtained for the decomposition of hydrogen iodide at various temperatures. The natural log of k and inverse temperatures were then plotted. The reaction is second order overall. In k -2 2 HI --> H2 + 12 k In k OC K 1/T 0.00269 -5.918214085 440 713 0.001402525 0.00621 -5.081594383 460 733 0.001364256 0.014 -4.268697949 480 753 0.001328021 0.0393 -3.23653076 500 773 0.001293661 0 In k versus 1/T y = -24371x + 28.204 R2 = 0.9939 -6 -8 0.00128 0.0013 0.00132 0.00134 0.00136 0.00138 1/T a. Find the value for the energy of activation in kJ/mol. [kt + -6 use ин equation on graph to solve 0.0014 0.00142 те for slope = -Ea b. Calculate the concentration of HI if the initial rate of the reaction is .08331 M/s at 873 Kelvin. Hint: calculate k first. صار brank 8. The hypothetical reaction A+B+C --> D + E has the rate law Rate = k[A][B]. Which of the following changes would have the least effect on increasing this reaction's rate? Doubling [C]o while keeping [A], and [B]o constant. Galaxy S21 Ultra 563], while keeping [A] and [C]o constant. C. Doubling [A]o while keeping [B]o and [C]o constant. d. Increasing the rate constant by running the reaction at a higher temperature. e. Adding a catalyst to the reaction mixture.
7. The following values of the rate constant were obtained for the decomposition of hydrogen iodide at various temperatures. The natural log of k and inverse temperatures were then plotted. The reaction is second order overall. In k -2 2 HI --> H2 + 12 k In k OC K 1/T 0.00269 -5.918214085 440 713 0.001402525 0.00621 -5.081594383 460 733 0.001364256 0.014 -4.268697949 480 753 0.001328021 0.0393 -3.23653076 500 773 0.001293661 0 In k versus 1/T y = -24371x + 28.204 R2 = 0.9939 -6 -8 0.00128 0.0013 0.00132 0.00134 0.00136 0.00138 1/T a. Find the value for the energy of activation in kJ/mol. [kt + -6 use ин equation on graph to solve 0.0014 0.00142 те for slope = -Ea b. Calculate the concentration of HI if the initial rate of the reaction is .08331 M/s at 873 Kelvin. Hint: calculate k first. صار brank 8. The hypothetical reaction A+B+C --> D + E has the rate law Rate = k[A][B]. Which of the following changes would have the least effect on increasing this reaction's rate? Doubling [C]o while keeping [A], and [B]o constant. Galaxy S21 Ultra 563], while keeping [A] and [C]o constant. C. Doubling [A]o while keeping [B]o and [C]o constant. d. Increasing the rate constant by running the reaction at a higher temperature. e. Adding a catalyst to the reaction mixture.
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Chapter13: Rates Of Reaction
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Problem 13.81QP: The following values of the rate constant were obtained for the decomposition of nitrogen dioxide at...
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I missed most of my lectures for this chapter due to covid. I am lost.
![7. The following values of the rate constant were obtained for the decomposition of hydrogen
iodide at various temperatures. The natural log of k and inverse temperatures were then
plotted. The reaction is second order overall.
In k
-2
2 HI --> H2 + 12
k
In k
OC
K
1/T
0.00269
-5.918214085
440
713
0.001402525
0.00621
-5.081594383
460
733
0.001364256
0.014
-4.268697949
480
753
0.001328021
0.0393
-3.23653076
500
773 0.001293661
0
In k versus 1/T
y = -24371x + 28.204
R2 = 0.9939
-6
-8
0.00128 0.0013 0.00132 0.00134 0.00136 0.00138
1/T
a. Find the value for the energy of activation in kJ/mol.
[kt +
-6
use
ин
equation
on graph to solve
0.0014
0.00142
те
for slope = -Ea
b. Calculate the concentration of HI if the initial rate of the reaction is .08331 M/s at 873
Kelvin. Hint: calculate k first.
صار
brank
8. The hypothetical reaction A+B+C --> D + E has the rate law Rate = k[A][B]. Which of the
following changes would have the least effect on increasing this reaction's rate?
Doubling [C]o while keeping [A], and [B]o constant.
Galaxy S21 Ultra 563], while keeping [A] and [C]o constant.
C.
Doubling [A]o while keeping [B]o and [C]o constant.
d. Increasing the rate constant by running the reaction at a higher temperature.
e.
Adding a catalyst to the reaction mixture.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7f605619-bbba-4f43-942e-b505f4944796%2F4ba6e245-22a2-4cda-97c9-eafdac47477f%2Fpmkmy3e_processed.jpeg&w=3840&q=75)
Transcribed Image Text:7. The following values of the rate constant were obtained for the decomposition of hydrogen
iodide at various temperatures. The natural log of k and inverse temperatures were then
plotted. The reaction is second order overall.
In k
-2
2 HI --> H2 + 12
k
In k
OC
K
1/T
0.00269
-5.918214085
440
713
0.001402525
0.00621
-5.081594383
460
733
0.001364256
0.014
-4.268697949
480
753
0.001328021
0.0393
-3.23653076
500
773 0.001293661
0
In k versus 1/T
y = -24371x + 28.204
R2 = 0.9939
-6
-8
0.00128 0.0013 0.00132 0.00134 0.00136 0.00138
1/T
a. Find the value for the energy of activation in kJ/mol.
[kt +
-6
use
ин
equation
on graph to solve
0.0014
0.00142
те
for slope = -Ea
b. Calculate the concentration of HI if the initial rate of the reaction is .08331 M/s at 873
Kelvin. Hint: calculate k first.
صار
brank
8. The hypothetical reaction A+B+C --> D + E has the rate law Rate = k[A][B]. Which of the
following changes would have the least effect on increasing this reaction's rate?
Doubling [C]o while keeping [A], and [B]o constant.
Galaxy S21 Ultra 563], while keeping [A] and [C]o constant.
C.
Doubling [A]o while keeping [B]o and [C]o constant.
d. Increasing the rate constant by running the reaction at a higher temperature.
e.
Adding a catalyst to the reaction mixture.
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