The rate constant for the second-order reaction 2NOBr(g) -> 2N0 (g) + Br2(g) is 0.80 M-1s-1 at 10 °C What is the half-life when the initial concentration of NOBr is 0.072 M? Starting with a concentration of 0.086 M, what is the concentration of NOBr after 22 s?
The rate constant for the second-order reaction 2NOBr(g) -> 2N0 (g) + Br2(g) is 0.80 M-1s-1 at 10 °C What is the half-life when the initial concentration of NOBr is 0.072 M? Starting with a concentration of 0.086 M, what is the concentration of NOBr after 22 s?
Chemistry by OpenStax (2015-05-04)
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Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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Chapter17: Electrochemistry
Section: Chapter Questions
Problem 24E: For each reaction listed, determine its standard cell potential at 25 C and whether the reaction is...
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The rate constant for the second-order reaction
2NOBr(g)
-> 2N0 (g) + Br2(g)
is 0.80 M-1s-1 at 10 °C
What is the half-life when the initial concentration of NOBr is 0.072 M?
Starting with a concentration of 0.086 M, what is the concentration of NOBr after 22 s?
![Consider the voltaic cell with a standard cell potential of 2.89 V:
Sr(s) Sr2+ (1.0 M)||H* (1.0 M)|H₂ (1 atm)|Pt(s)
R= 8.314 J/mol-K; F = 96,485 J/mol-V
1. What is the Keq value for the reaction at 298 K? [Select]
II. What is the AG° value for the reaction at 298 K?
[Select]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F409b9142-20d9-4f17-9785-47022f000408%2F430d5c00-61c9-4203-ad9e-5cb64f920369%2F7qpp78m_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Consider the voltaic cell with a standard cell potential of 2.89 V:
Sr(s) Sr2+ (1.0 M)||H* (1.0 M)|H₂ (1 atm)|Pt(s)
R= 8.314 J/mol-K; F = 96,485 J/mol-V
1. What is the Keq value for the reaction at 298 K? [Select]
II. What is the AG° value for the reaction at 298 K?
[Select]
![The decomposition reaction of carbon disulfide, CS2, to carbon monosulfide, CS, and sulfur is first-
order with a rate constant, k = 2.8 x 10-7 s1 at 1000 °C.
CS₂ CS + S
A. What is the half-life (in days) at 1000 °C? [Select]
B. How many days would pass before a 2.00-g sample of CS₂ is reduced to only 0.75 g?
[Select]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F409b9142-20d9-4f17-9785-47022f000408%2F430d5c00-61c9-4203-ad9e-5cb64f920369%2Fsc7jp28_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The decomposition reaction of carbon disulfide, CS2, to carbon monosulfide, CS, and sulfur is first-
order with a rate constant, k = 2.8 x 10-7 s1 at 1000 °C.
CS₂ CS + S
A. What is the half-life (in days) at 1000 °C? [Select]
B. How many days would pass before a 2.00-g sample of CS₂ is reduced to only 0.75 g?
[Select]
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