CHEMISTRY:ATOMS FIRST-2 YEAR CONNECT
2nd Edition
ISBN: 9781260592320
Author: Burdge
Publisher: MCG
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Chapter 24, Problem 24.13QP
Interpretation Introduction
Interpretation: How nematic, smectic and cholesteric liquid crystals are similar and different has to be described.
Concept Introduction:
- Liquid crystal exhibits both the properties of liquids (particles are not arranged and are free to move in all directions) and solids (articles are arranged regularly).
- Liquid crystals are anisotropic, that is it shows different properties in different directions based on the orientation of particles in it.
- Isotropic have no orderly arrangement and molecules are free to move in all direction whereas, anisotropic have orderly arrangement of particles and its property differ with the direction of orientation.
- Liquid crystal can be classified into different types based on their behaviour and physical structure, namely nematic, smectic and cholesteric.
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Rank each of the following substituted benzene molecules in order of which will react fastest (1) to slowest (4) by electrophilic
aromatic substitution.
Explanation
Check
CF3
(Choose one)
OH
(Choose one)
H
(Choose one)
(Choose one)
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Identifying electron-donating and electron-withdrawing effects
For each of the substituted benzene molecules below, determine the inductive and resonance effects the substituent will have on the
benzene ring, as well as the overall electron-density of the ring compared to unsubstituted benzene.
Molecule
Inductive Effects
Resonance Effects
Overall Electron-Density
CF3
O donating
O donating
O electron-rich
O withdrawing
withdrawing
O no inductive effects
O no resonance effects
O electron-deficient
O similar to benzene
OCH3
Explanation
Check
O donating
O donating
○ withdrawing
withdrawing
O no inductive effects
no resonance effects
electron-rich
electron-deficient
O similar to benzene
Х
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The acid-base chemistry of both EDTA and EBT are important to ensuring that the reactions proceed as desired, thus the pH is controlled using a buffer. What percent of the EBT indicator will be in the desired HIn2- state at pH = 10.5. pKa1 = 6.2 and pKa2 = 11.6 of EBT
Chapter 24 Solutions
CHEMISTRY:ATOMS FIRST-2 YEAR CONNECT
Ch. 24.1 - Prob. 24.1WECh. 24.1 - Prob. 1PPACh. 24.1 - Prob. 1PPBCh. 24.1 - Prob. 1PPCCh. 24.1 - Prob. 24.2WECh. 24.1 - Prob. 2PPACh. 24.1 - Prob. 2PPBCh. 24.1 - Prob. 2PPCCh. 24.1 - Prob. 24.1.1SRCh. 24.1 - Prob. 24.1.2SR
Ch. 24.3 - Would the following molecule make a good liquid...Ch. 24.3 - Prob. 3PPACh. 24.3 - Prob. 3PPBCh. 24.3 - Prob. 3PPCCh. 24.3 - Prob. 24.3.1SRCh. 24.3 - Prob. 24.3.2SRCh. 24.6 - Prob. 24.4WECh. 24.6 - Prob. 4PPACh. 24.6 - Prob. 4PPBCh. 24.6 - Prob. 4PPCCh. 24.6 - Prob. 24.6.1SRCh. 24 - Bakelite, the first commercially produced polymer,...Ch. 24 - Prob. 24.2QPCh. 24 - Prob. 24.3QPCh. 24 - Prob. 24.4QPCh. 24 - Prob. 24.5QPCh. 24 - Prob. 24.6QPCh. 24 - Prob. 24.7QPCh. 24 - Describe two natural types of composite materials...Ch. 24 - Prob. 24.9QPCh. 24 - Amorphous silica (SiO2) can be formed in uniform...Ch. 24 - Prob. 24.11QPCh. 24 - Prob. 24.12QPCh. 24 - Prob. 24.13QPCh. 24 - Prob. 24.14QPCh. 24 - Prob. 24.15QPCh. 24 - Prob. 24.16QPCh. 24 - Prob. 24.17QPCh. 24 - Prob. 24.18QPCh. 24 - Prob. 24.19QPCh. 24 - Prob. 24.20QPCh. 24 - Prob. 24.21QPCh. 24 - How does an STM measure the peak and valley...Ch. 24 - Prob. 24.23QPCh. 24 - Prob. 24.24QPCh. 24 - Prob. 24.25QPCh. 24 - Prob. 24.26QPCh. 24 - Prob. 24.27QPCh. 24 - Prob. 24.28QPCh. 24 - Prob. 24.29QPCh. 24 - Prob. 24.30QPCh. 24 - Prob. 24.31QPCh. 24 - Prob. 24.32QPCh. 24 - Prob. 24.33QPCh. 24 - Prob. 24.34QPCh. 24 - Prob. 24.35QPCh. 24 - Prob. 24.36QPCh. 24 - Prob. 24.37QPCh. 24 - Draw representations of block copolymers and graft...Ch. 24 - Prob. 24.39QPCh. 24 - Prob. 24.40QPCh. 24 - Prob. 24.41QPCh. 24 - Prob. 24.42QPCh. 24 - Prob. 24.43QPCh. 24 - Prob. 24.44QPCh. 24 - Prob. 24.45QPCh. 24 - Prob. 24.46QPCh. 24 - Prob. 24.47QPCh. 24 - Prob. 24.48QP
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