10 15 20 30 t, min 25 [W]

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Suppose that for the reaction K + L------->M, you monitor
the production of M over time, and then plot the following
graph from your data:

 

 

(a) Is the reaction occurring at a constant rate from t = 0
to t = 15 min? (b) Is the reaction completed at t = 15
min? (c) Suppose the reaction as plotted here were started
with 0.20 mol K and 0.40 mol L. After 30 min, an additional
0.20 mol K are added to the reaction mixture.
Which of the following correctly describes how the plot
would look from t = 30 min to t = 60 min? (i) [M] would
remain at the same constant value it has at t = 30 min,
(ii) [M] would increase with the same slope as t = 0 to
15 min, until t = 45 min at which point the plot becomes
horizontal again, or (iii) [M] decreases and reaches
0 at t = 45 min.

10
15
20
30
t, min
25
[W]
Transcribed Image Text:10 15 20 30 t, min 25 [W]
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