Principles of Instrumental Analysis, 6th Edition
6th Edition
ISBN: 9788131525579
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cenage Learning
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Chapter 31, Problem 31.10QAP
Interpretation Introduction
Interpretation:
The cause of glass transition for
Concept introduction:
The glass transition is also known as glass−liquid transition an associated with the process in which glass is converted into a liquid state. Vitrification is a reverse process to glass−liquid transition.
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Naming and drawing secondary
Write the systematic (IUPAC) name for each of the following organic molecules:
CH3
Z
structure
CH3
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CH2
N-CH3
CH3-CH2-CH2-CH-CH3
NH
CH3-CH-CH2-CH2-CH2-CH2-CH2-CH3
Explanation
Check
☐
name
☐
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G
C
This question shows how molecular orbital (MO) theory can be used to understand the chemical
properties of elemental oxygen O₂ and its anionic derivative superoxide Oz.
a)
Draw the MO energy diagram for both O2 and O2. Clearly label your diagram with atomic orbital names
and molecular orbital symmetry labels and include electrons.
Draw the Lewis structure of O2. How does the MO description of O2 differ from the Lewis structure, and
how does this difference relate to the high reactivity and magnetic properties of oxygen?
) Use the MO diagram in (a) to explain the difference in bond length and bond energy between superoxide
ion (Oz, 135 pm, 360 kJ/mol) and oxygen (O2, 120.8 pm, 494 kJ/mol).
Please draw
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Principles of Instrumental Analysis, 6th Edition
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