Principles of Instrumental Analysis
7th Edition
ISBN: 9781305577213
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cengage Learning
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Chapter 14, Problem 14.14QAP
Aluminum forms a 1:1 complex with 2-hydroxy-1-naphthaldehyde p -methoxybenzoylhydraxonal, which absorbs UV radiation at 285 nm. Under pseudo-first-order conditions, a plot of the initial
rate =1.92 c Al- 0.250
Find the concentration of aluminum in a solution that exhibits a rate of 0.53 absorbance units per second under the same experimental conditions.
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For the gas phase isomerization of isopropenyl allyl ether,
CH2=C(CH3)-O-CH2CH=CH2-->CH3COCH2CH2CH=CH2
the rate constant at 405 K is 2.60x10^-5 s^-1 and the rate constant at 440. K is 4.75x10^-4 s^-1.
The activation energy for the gas phase isomerization of isopropenyl allyl ether is ________ kJ.
(1) The activation energy for the gas phase isomerization of methyl cis-cinnamate is 174 kJ.cis-C6H5CH=CHCOOCH3trans-C6H5CH=CHCOOCH3The rate constant at 621 K is 8.10×10-5 /s. The rate constant will be 8.42×10-4 /s at_____ K.
(1b)
The activation energy for the gas phase isomerization of methyl cis-cinnamate is 174 kJ.cis-C6H5CH=CHCOOCH3trans-C6H5CH=CHCOOCH3The rate constant at 654 K is 4.57×10-4 /s. The rate constant will be /s
at _______ 695 K.
For the gas phase isomerization of cis-1,2-diphenylethene,
cis-C6H5 CH=CHC6H5 → trans-C6H5 CH=CHC6H5
the rate constant at 569 K is 2.11 × 10-4 s¯¹ and the rate constant at 608 K is 2.39 × 10
-3
S
The activation energy for the gas phase isomerization of cis-1,2-diphenylethene is |
s-¹.
S
kJ.
Chapter 14 Solutions
Principles of Instrumental Analysis
Ch. 14 - Prob. 14.1QAPCh. 14 - A 0.4740-g pesticide sample was decomposed by wet...Ch. 14 - Sketch a photometric titration curve for the...Ch. 14 - Prob. 14.4QAPCh. 14 - Prob. 14.5QAPCh. 14 - The accompanying data (1.00-cm cells) were...Ch. 14 - A 3.03-g petroleum specimen was decomposed by wet...Ch. 14 - Prob. 14.8QAPCh. 14 - Prob. 14.9QAPCh. 14 - The acid-base indicator HIn undergoes the...
Ch. 14 - Prob. 14.11QAPCh. 14 - Prob. 14.12QAPCh. 14 - Copper(II) forms a 1:1 complex with the organic...Ch. 14 - Aluminum forms a 1:1 complex with...Ch. 14 - Prob. 14.15QAPCh. 14 - Prob. 14.16QAPCh. 14 - Prob. 14.17QAPCh. 14 - Prob. 14.18QAPCh. 14 - Prob. 14.19QAPCh. 14 - Given the Information that...Ch. 14 - Prob. 14.21QAPCh. 14 - Mixing the chelating reagent B with Ni(II) forms...Ch. 14 - Prob. 14.23QAP
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