Answer questions #4 please provide and explanation. Thank you. 4. Why is the nD20 for stearic and oleic acid (listed above) measured at higher temperatures thanall the other compounds? Table of Refractive Index ValuesSubstanceRefractiveTempIndex(*C)20Vacuum1.0000Air1.00031.333291.377220Water20Isopropanol20n-octanol1.4291.496920TolueneSugar solution (20 %w/w)SugarStearic Acid201.363920(40%w/w)1.39991.42991.44491.39931.47052080Oleic Acid601-butanol1-hexanol20acetone1.358820

nD20 represents refractive index of the particular compound , where "D" denotes the wavelength, and…

Answered: 4. Why is the no20 for stearic and…

4. Why is the no20 for stearic and oleic acid (listed above) measured at higher temperatures than all the other compounds?

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter14: Mixtures And Solutions

Section14.1: Types Of Mixtures

Problem 7SSC

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Question

Answer questions #4 please provide and explanation. Thank you.

4. Why is the nD20 for stearic and oleic acid (listed above) measured at higher temperatures than
all the other compounds?

Table of Refractive Index Values
Substance
Refractive
Temp
Index
(*C)
20
Vacuum
1.0000
Air
1.0003
1.33329
1.3772
20
Water
20
Isopropanol
20
n-octanol
1.429
1.4969
20
Toluene
Sugar solution (20 %w/w)
Sugar
Stearic Acid
20
1.3639
20
(40%w/w)
1.3999
1.4299
1.4449
1.3993
1.4705
20
80
Oleic Acid
60
1-butanol
1-hexanol
20
acetone
1.3588
20

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