Chemists graph kinetic data to determine rate constants and the order of reactions. Analyze this data. If the slope is -0.0440 for this reaction, determine the rate constant, k, for this reaction.

Chemistry for Engineering Students
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ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.48PAE: 11.48 The following data were collected for the decomposition of NT),-: Time, f (min) [N2Os] (mol...
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Question 13.c of 13
Chemists graph kinetic data to
determine rate constants and the
order of reactions. Analyze this
data.
If the slope is -0.0440 for this
reaction, determine the rate
constant, k, for this reaction.
1
4
7
+/-
2
5
8
S-1
3
60
9
O
Submit
Tap here or pull up for additional resources
XU
x 100
Transcribed Image Text:5:34 Question 13.c of 13 Chemists graph kinetic data to determine rate constants and the order of reactions. Analyze this data. If the slope is -0.0440 for this reaction, determine the rate constant, k, for this reaction. 1 4 7 +/- 2 5 8 S-1 3 60 9 O Submit Tap here or pull up for additional resources XU x 100
Expert Solution
Step 1

(i) The units of rate constant for first order reaction are time-1

In the given question, the units of rate constant are given as s-1 where s is the unit of time. So, the reaction is first order.

(ii) The integrated rate law for the first order reaction is ln[A]=-kt+ln[A]o . If a plot of ln[A] vs time (t) is a straight line then the reaction is first order with respect to "A". Here, Slope =-k

 

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