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Lab 11 PostLab - Chemical Kinetics
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To quantitatively "throw out" a measurement, you must perform a statistical test on your data called a Q-Test. The formula for the Q-test is Qcalculated = gap/range where gap = (questionable value ! next closest number) and range = (largest number ! smallest number). Qcalculated is then compar...

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  • March 4, 2022
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  • 2021/2022
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  • lab 11 postlab chemical kinetics

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Lab 11 PostLab - Chemical Kinetics (Postlab)

Current Score : 23. Due : Saturday, June 22 2013 11:00 PM EDT


The due date for this assignment is past. Your work can be viewed below, but no changes can be made.



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1. 13.64/15 points | Previous Answers NCSUGenChem202LabV1 11.POST.01.

Refer to Data Table B, in which you entered rate constants. In the spaces below, enter your rate
constants, in M-1s-1. Do not include units.
0.0066 0.0066
0.0061 0.0061
0.0076 0.0076
0.0052 0.0052
0.0064 0.0064


What is the range of these values from highest to lowest?
0.0024 0.0024


What is the average of these values?
0.0064 0.0064


The remainder of this question is designed to help you decide if the data from one of your experiments
can be discarded.


To quantitatively "throw out" a measurement, you must perform a statistical test on your data called a
Q-Test. The formula for the Q-test is

Qcalculated = gap/range
where gap = (questionable value ! next closest number) and range = (largest number ! smallest
number).


Qcalculated is then compared to Qtable. If Qcalculated > Qtable then the questionable datum can be
discarded.

Q (90% confidence) number of measurements

0.76 4

0.64 5

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