An experiment is conducted at 25 C and the rate of appearance of the product A.Ba(aq) is measured as the concentrations of the reactants were varied. Data from the trials are shown below. Initial Rate of Appearance of A:B1 (M/s) 5.0 x 10 4.5 x 10 1.0 x 10 22? Trial [A] (M) (B] (M) 1 0.200 0.300 2. 0.200 0.900 0.300 0.225 0.400 4. 0.135 Determine the rate law for the reaction. Justify your answer. a. b. Determine the value of k, including units. C. Determine the rate of Trial 4.
An experiment is conducted at 25 C and the rate of appearance of the product A.Ba(aq) is measured as the concentrations of the reactants were varied. Data from the trials are shown below. Initial Rate of Appearance of A:B1 (M/s) 5.0 x 10 4.5 x 10 1.0 x 10 22? Trial [A] (M) (B] (M) 1 0.200 0.300 2. 0.200 0.900 0.300 0.225 0.400 4. 0.135 Determine the rate law for the reaction. Justify your answer. a. b. Determine the value of k, including units. C. Determine the rate of Trial 4.
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter13: Chemical Kinetics
Section: Chapter Questions
Problem 13.95QE
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![2 A(aq) + 3 B(aq) A2B3(aq)
An experiment is conducted at 25 C and the rate of appearance of the product ABa(aq) is measured as the concentrations of
the reactants were varied. Data from the trials are shown below.
Initial Rate of
Trial
[A] (M)
[B] (M)
Appearance
of A2B3 (M/s)
5.0 x 10
4.5 x 10
1.0 x 10
0.200
0.300
0.200
0.900
0.400
0.300
4
0.135
0.225
???
Determine the rate law for the reaction. Justify your answer.
Determine the value of k, including units.
Determine the rate of Trial 4.
a.
b.
с.
d.
Determine the initial rate of disappearance of A for trial 2.
A possible reaction mechanism has a 1" elementary step as shown below:
e.
A +BAB
Could this first step be the rate determining step? Explain your reasoning.
In the reaction mechanism the compound MnO2 appears. A student makes the claim
f.
"The order of MnO2 must be zero since it does not appear in the overall balanced equation".
Do you agree or disagree with the student? Explain your reasoning.
g.
In trial 1, 10 mL of A and 10 mL of B are mixed and the reaction goes to completion.
Determine the number of moles of B used in the reaction.
ii. The reaction vessel is heated and all the water is driven off, leaving only 0.124 grams of A:B:(s).
Determine the molar mass of A2B1.
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Transcribed Image Text:2 A(aq) + 3 B(aq) A2B3(aq)
An experiment is conducted at 25 C and the rate of appearance of the product ABa(aq) is measured as the concentrations of
the reactants were varied. Data from the trials are shown below.
Initial Rate of
Trial
[A] (M)
[B] (M)
Appearance
of A2B3 (M/s)
5.0 x 10
4.5 x 10
1.0 x 10
0.200
0.300
0.200
0.900
0.400
0.300
4
0.135
0.225
???
Determine the rate law for the reaction. Justify your answer.
Determine the value of k, including units.
Determine the rate of Trial 4.
a.
b.
с.
d.
Determine the initial rate of disappearance of A for trial 2.
A possible reaction mechanism has a 1" elementary step as shown below:
e.
A +BAB
Could this first step be the rate determining step? Explain your reasoning.
In the reaction mechanism the compound MnO2 appears. A student makes the claim
f.
"The order of MnO2 must be zero since it does not appear in the overall balanced equation".
Do you agree or disagree with the student? Explain your reasoning.
g.
In trial 1, 10 mL of A and 10 mL of B are mixed and the reaction goes to completion.
Determine the number of moles of B used in the reaction.
ii. The reaction vessel is heated and all the water is driven off, leaving only 0.124 grams of A:B:(s).
Determine the molar mass of A2B1.
i.
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