Compounds A and B both decompose by first-order reactions. At 398 K, the rate constant for the
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Compounds A and B both decompose by first-order reactions.
At 398 K, the rate constant for the decomposition of A is 3.6 * 10–5 s–1. Separate containers of A and B were prepared, with initial concentrations of 0.120 (mol A) · L–1 and 0.240 (mol B) · L–1. After 5.0 h, it was found that the concentration of A was 3.0 times the concentration of B.
(a) What was the concentration of A at that time?
(b) What is the rate constant for the decomposition of B at 398 K?
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a To determine the concentration of A at the given time we can use the firstorder reaction equation ...View the full answer
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Related Book For 
Chemical Principles The Quest For Insight
ISBN: 9781464183959
7th Edition
Authors: Peter Atkins, Loretta Jones, Leroy Laverman
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