9. Indicate whether the following changes will increase, decrease, or have no effect on the rate of reaction: a) increasing the temperature b) increasing the number of reacting molecules c) adding a catalyst than in th
9. Indicate whether the following changes will increase, decrease, or have no effect on the rate of reaction: a) increasing the temperature b) increasing the number of reacting molecules c) adding a catalyst than in th
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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![9. Indicate whether the following changes will increase, decrease, or have no
effect on the rate of reaction:
a) increasing the temperature
b) increasing the number of reacting molecules
c) adding a catalyst
10. Why does bread grow mold more quickly at room temperature than in the
refrigerator?
11. How does a catalyst affect the activation energy?
12. For the decomposition reaction X → Y + Z, the reaction is first-order with re-
spect to X, and the value of the specific rate constant is 0.0296 s-1. Calculate the
initial reaction rate when starting with the following concentrations of X.
a. [X] = 0.410 M
b. [X] = 0.0223 M
13. In the following reaction, what happens to the number of collisions when
more Br2 molecules are added?
(g)
H.
2(g)
+ Br,
2HBR,
(),
2(g)
14. In the following reaction, what happens to the number of collisions when the
temperature of the reaction is decreased?
Co +0,
2(g)
+ Co,(g)
15. How would each of the following change the rate of the reaction shown here?
2SO
+ 2S0,
3(g)
2(g) + O219)
a) adding some SO,
b) increasing the temperature
2(g)
c) adding a catalyst
d) removing some
16. How would each of the following change the rate of the reaction shown here
O2(g)
+2H,0 )
2NO + 2H9)
t adding some NO,
(g)
2(g)
2(g)
(),
b) decreasing the temperature
c) removing some H,
d) adding a catalyst
2(g)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcb1b0658-a47b-4708-9171-80ce54a154ee%2Fe95a062d-6ea5-405b-afd9-174ccae2c88e%2Fbnk46gi_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9. Indicate whether the following changes will increase, decrease, or have no
effect on the rate of reaction:
a) increasing the temperature
b) increasing the number of reacting molecules
c) adding a catalyst
10. Why does bread grow mold more quickly at room temperature than in the
refrigerator?
11. How does a catalyst affect the activation energy?
12. For the decomposition reaction X → Y + Z, the reaction is first-order with re-
spect to X, and the value of the specific rate constant is 0.0296 s-1. Calculate the
initial reaction rate when starting with the following concentrations of X.
a. [X] = 0.410 M
b. [X] = 0.0223 M
13. In the following reaction, what happens to the number of collisions when
more Br2 molecules are added?
(g)
H.
2(g)
+ Br,
2HBR,
(),
2(g)
14. In the following reaction, what happens to the number of collisions when the
temperature of the reaction is decreased?
Co +0,
2(g)
+ Co,(g)
15. How would each of the following change the rate of the reaction shown here?
2SO
+ 2S0,
3(g)
2(g) + O219)
a) adding some SO,
b) increasing the temperature
2(g)
c) adding a catalyst
d) removing some
16. How would each of the following change the rate of the reaction shown here
O2(g)
+2H,0 )
2NO + 2H9)
t adding some NO,
(g)
2(g)
2(g)
(),
b) decreasing the temperature
c) removing some H,
d) adding a catalyst
2(g)
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