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For the simple decomposition reaction: AB(g) A(g) + B(g), the rate = k{AB}2 ({ = [) and k = 0.78 1/M-s. How long (in seconds) will it take for the concentration of AB to reach one-third of its initial concentration of 1.07? Enter to 2 decimal places.

For the simple decomposition reaction: AB(g) A(g) + B(g), the rate = k{AB}2 ({ = [) and k = 0.78 1/M-s. How long (in seconds) will it take for the concentration of AB to reach one-third of its initial concentration of 1.07? Enter to 2 decimal places.

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter11: Rate Of Reaction
Section: Chapter Questions
Problem 92QAP: Consider the decomposition reaction 2X2Y+ZThe following graph shows the change in concentration with...
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For the simple decomposition reaction: AB(g) A(g) + B(g), the rate = k{AB}? ({ = [) and k = 0.78 1/M•s. How long (in seconds) will it take for the concentration of AB to reach one-third of its initial concentration of 1.07? Enter to 2 decimal places.
Transcribed Image Text:For the simple decomposition reaction: AB(g) A(g) + B(g), the rate = k{AB}? ({ = [) and k = 0.78 1/M•s. How long (in seconds) will it take for the concentration of AB to reach one-third of its initial concentration of 1.07? Enter to 2 decimal places.
Expert Solution
Step 1

The reaction taking place is given as,

=> AB (g) ------> A (g) + B (g) 

Given : Rate = K[AB]2 

Initial concentration of AB = 1.07 M

And final concentration of AB = 1/3rd of initial concentration = 1.07 / 3 = 0.35667 M approx.

And K = 0.78 M-1s-1 

 

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