Name: 11. The half-life of a first-order decomposition reaction is 188 seconds. If the initial concentration of reactant is 1.00 M, what is the value of the rate constant? 92 a. 0.0037 0.0027 b. c. d. 0.0053 The next three questions refer to the proposed mechanism: Step I Step II A +B --> C + D A +C--> D slow fast 2ATB -2etZD B 12. What is the molecularity of the first step? a. unimolecular b. bimolecular с. termolecular d. quadmolecular 13. What would be the overall reaction represented by this mechanism? a A+B -->C + D b. 2 A+B--> 2 C + 2 D с. 2 A +B --> 2 D d. 2 A+B--> C + D 14. What would you expect the units to be for the rate constant for the overall rate equation? M's b. M's M's a. rate = K CA]? CBJ' с. d. s-l

Chemistry
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Name:
The half-life of a first-order decomposition reaction is 188 şeconds. If the initial concentration of
reactant is 1.00 M. what is the value of the rate constant?
11.
a.
92
0.0037
0.0027
b.
c.
d.
0.0053
The next three questions refer to the proposed mechanism:
Step I
Step II
A +B --> C +D
A +C --> D
slow
fast
2ATB -2l12D
B 12. What is the molecularity of the first step?
unimolecular
bimolecular
termolecular
a
b.
с.
d.
quadmolecular
13. What would be the overall reaction represented by this mechanism?
a A+B --> C + D
2 A+B --> 2 C + 2 D
b.
с.
2 A +B --> 2 D
d. 2 A+B --> C + D
14. What would you expect the units to be for the rate constant for the overall rate equation?
M³s!
b. M²s!
M's-
d. s-l
a.
rate = KCA]? [BJ'
с.
Transcribed Image Text:Name: The half-life of a first-order decomposition reaction is 188 şeconds. If the initial concentration of reactant is 1.00 M. what is the value of the rate constant? 11. a. 92 0.0037 0.0027 b. c. d. 0.0053 The next three questions refer to the proposed mechanism: Step I Step II A +B --> C +D A +C --> D slow fast 2ATB -2l12D B 12. What is the molecularity of the first step? unimolecular bimolecular termolecular a b. с. d. quadmolecular 13. What would be the overall reaction represented by this mechanism? a A+B --> C + D 2 A+B --> 2 C + 2 D b. с. 2 A +B --> 2 D d. 2 A+B --> C + D 14. What would you expect the units to be for the rate constant for the overall rate equation? M³s! b. M²s! M's- d. s-l a. rate = KCA]? [BJ' с.
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