CHEMISTRY+CHEM...HYBRID ED.(LL)>CUSTOM<
9th Edition
ISBN: 9781305020788
Author: John C.Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: CENGAGE C
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Chapter 22, Problem 63GQ
Cerium, as noted in Applying Chemical Principles: 22.3 The Rare Earths, is a relatively abundant lanthanide element that has some important uses. Cerium(IV) oxide. CeO2, is widely used as a polishing agent for glass. Cerium(III) sulfide, Ce2S3, is becoming more widely used as a red pigment to replace cadmium pigments, which are environmentally less desirable.
(a) Give the electron configurations (using the noble gas notation) for Ce, Ce3+, and Ce4+.
(b) Is either Ce3+ or Ce4+ paramagnetic? If so, how many unpaired electrons does each have?
(c) The solid state structure for CeO2 is shown below. Describe the unit cell of the compound. How is this structure related to the formula?
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In the video, we looked at the absorbance of a certain substance and how it varies
depending on what wavelength of light we are looking at. Below is a similar scan of a
different substance. What color BEST describes how this substance will appear?
Absorbance (AU)
Violet
Blue
Green
Orange
1.2
1.0-
0.8-
0.6-
0.4-
0.2
0.0
450
500
550
600
650
700
Wavelength (nm)
violet
indigo
blue
green
yellow orange
red
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O Cannot tell from this information
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absorbance than light with a -550 nm wavelength? Check all that are true.
The distance the light travels is different
The different data points are for different substances
The concentration is different at different times in the experiment
Epsilon (molar absortivity) is different at different wavelengths
5. a. Data were collected for Trial 1 to determine the molar mass of a nonvolatile solid solute when dissolved in cyclo-
hexane. Complete the table for the analysis (See Report Sheet). Record calculated values with the correct number
of significant figures.
B. Freezing Point of Cyclohexane plus
Calculation Zone
Unknown Solute
2. Mass of cyclohexane (g)
10.14
Part C.4
3. Mass of added solute (g)
0.255
C. Calculations
1. k; for cyclohexane (°C⚫ kg/mol)
20.0
2. Freezing point change, AT, (°C)
3.04
Part C.6
3. Mass of cyclohexane in solution (kg)
4. Moles of solute, total (mol)
Show calculation.
5. Mass of solute in solution, total (g)
6. Molar mass of solute (g/mol)
Show calculation.
Chapter 22 Solutions
CHEMISTRY+CHEM...HYBRID ED.(LL)>CUSTOM<
Ch. 22.1 - Prob. 1RCCh. 22.2 - Prob. 1QCh. 22.2 - 2. Describe the unit cell of austenite.
Ch. 22.2 - Prob. 3QCh. 22.2 - Prob. 1RCCh. 22.2 - Prob. 2RCCh. 22.3 - (a) What is the formula of a complex ion composed...Ch. 22.3 - (a) Determine the metals oxidation number and...Ch. 22.3 - Name the following coordination compounds. (a)...Ch. 22.3 - Prob. 1RC
Ch. 22.3 - 2. What is the oxidation number of the metal in...Ch. 22.3 - Prob. 3RCCh. 22.3 - Prob. 4RCCh. 22.4 - What types of isomers are possible for the...Ch. 22.4 - Prob. 1RCCh. 22.4 - Prob. 2RCCh. 22.4 - Prob. 3RCCh. 22.4 - Prob. 4RCCh. 22.4 - Prob. 1QCh. 22.5 - Prob. 1CYUCh. 22.5 - Prob. 1RCCh. 22.5 - Prob. 2RCCh. 22.6 - Prob. 1QCh. 22.6 - Prob. 2QCh. 22.6 - Prob. 3QCh. 22.6 - Prob. 4QCh. 22.6 - Prob. 1CYUCh. 22.6 - Prob. 1RCCh. 22.6 - How are the d electrons of Pt distributed in a...Ch. 22.6 - What are the electron configurations for Nd and...Ch. 22.6 - Prob. 3CSCh. 22.6 - Prob. 4CSCh. 22.6 - Prob. 5CSCh. 22 - Prob. 1PSCh. 22 - Prob. 2PSCh. 22 - Identify a cation of a first series transition...Ch. 22 - Match up the isoelectronic ions on the following...Ch. 22 - Prob. 5PSCh. 22 - Prob. 6PSCh. 22 - Which of the following ligands is expected to be...Ch. 22 - One of the following nitrogen compounds or ions is...Ch. 22 - Prob. 9PSCh. 22 - Prob. 10PSCh. 22 - Prob. 11PSCh. 22 - Prob. 12PSCh. 22 - Prob. 13PSCh. 22 - Prob. 14PSCh. 22 - Prob. 15PSCh. 22 - Prob. 16PSCh. 22 - Give the name or formula for each ion or compound,...Ch. 22 - Prob. 18PSCh. 22 - Prob. 19PSCh. 22 - Prob. 20PSCh. 22 - Prob. 21PSCh. 22 - Prob. 22PSCh. 22 - Prob. 23PSCh. 22 - Prob. 24PSCh. 22 - Prob. 25PSCh. 22 - Prob. 26PSCh. 22 - Prob. 27PSCh. 22 - Prob. 28PSCh. 22 - Prob. 29PSCh. 22 - Prob. 30PSCh. 22 - In water, the titanium(III) ion, [Ti(H2O)6]3+, has...Ch. 22 - Prob. 32PSCh. 22 - Prob. 33GQCh. 22 - Prob. 34GQCh. 22 - How many unpaired electrons are expected for...Ch. 22 - Prob. 36GQCh. 22 - Which of the following complex ions is (are)...Ch. 22 - Prob. 38GQCh. 22 - How many geometric isomers are possible for the...Ch. 22 - For a tetrahedral complex of a metal in the first...Ch. 22 - Prob. 41GQCh. 22 - Prob. 42GQCh. 22 - Prob. 43GQCh. 22 - A platinum-containing compound, known as Magnuss...Ch. 22 - Prob. 45GQCh. 22 - Prob. 46GQCh. 22 - Prob. 47GQCh. 22 - How many geometric isomers of the complex ion...Ch. 22 - Prob. 49GQCh. 22 - Prob. 50GQCh. 22 - Prob. 51GQCh. 22 - The square-planar complex Pt(en)Cl2 has chloride...Ch. 22 - The complex [Mn(H2O)6]2+ has five unpaired...Ch. 22 - Experiments show that K4[Cr(CN)6] is paramagnetic...Ch. 22 - Give a systematic name or the formula for the...Ch. 22 - When CrCI3 dissolves in water, three different...Ch. 22 - Prob. 57GQCh. 22 - The glycinate ion, H2NCH2CO2, formed by...Ch. 22 - Prob. 59GQCh. 22 - Nickel and palladium both form complexes of the...Ch. 22 - The transition metals form a class of compounds...Ch. 22 - Cerium, as noted in Applying Chemical Principles:...Ch. 22 - Prob. 64GQCh. 22 - Two different coordination compounds containing...Ch. 22 - Prob. 71SCQCh. 22 - Prob. 69SCQCh. 22 - Prob. 70SCQ
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