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A.) The rate constant for this first-order reaction is 0.650 sâ1 at 400 °C. How long (in seconds) would it take for the concentration of A to decrease from 0.690 M to 0.320 M?
B.) The rate constant for the reaction is 0.230 Mâ1·sâ1 at 200 °C. If the initial concentration of A is 0.00270 M, what will be the concentration after 335 s?
C.) After 53.0 min, 31.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?
A.) The rate constant for this first-order reaction is 0.650 sâ1 at 400 °C. How long (in seconds) would it take for the concentration of A to decrease from 0.690 M to 0.320 M?
B.) The rate constant for the reaction is 0.230 Mâ1·sâ1 at 200 °C. If the initial concentration of A is 0.00270 M, what will be the concentration after 335 s?
C.) After 53.0 min, 31.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?
Jean KeelingLv2
18 Mar 2019
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