EBK GENERAL, ORGANIC, & BIOLOGICAL CHEM
3rd Edition
ISBN: 9781259298424
Author: SMITH
Publisher: VST
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Textbook Question
Chapter 4, Problem 4.85P
Convert each ball-and-stick model to a Lewis structure and include all nondonded electron pairs. (b) Labell all polar bonds. (c) Is the molecule polar or nonpolar?
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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
Red
O Cannot tell from this information
In the above graph, what causes -450 nm wavelength of light to have a higher
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 4 Solutions
EBK GENERAL, ORGANIC, & BIOLOGICAL CHEM
Ch. 4.1 - Use electron-dot symbols to show how a hydrogen...Ch. 4.1 - Use electron-dot symbols to show how two chlorine...Ch. 4.1 - How many covalent bonds are predicted for each...Ch. 4.1 - Fill in the lone pairs on each atom to give every...Ch. 4.1 - Prob. 4.5PCh. 4.1 - Draw a Lewis structure for each covalent molecule....Ch. 4.1 - Draw a Lewis structure for dimethyl ether (C2H6O)...Ch. 4.2 - Prob. 4.8PCh. 4.2 - Prob. 4.9PCh. 4.2 - Prob. 4.10P
Ch. 4.3 - Prob. 4.11PCh. 4.3 - Prob. 4.12PCh. 4.4 - Prob. 4.13PCh. 4.4 - Draw resonance structures for each polyatomic...Ch. 4.4 - Nitrous oxide, N2O, is a sweet-smelling gas...Ch. 4.5 - Name each compound: (a) CS2; (b) SO2; (c) PCl5;...Ch. 4.5 - Prob. 4.17PCh. 4.5 - What is the shape around the indicated atom in...Ch. 4.6 - NaNH2, sodium amid, is a salt that contains a...Ch. 4.6 - Prob. 4.20PCh. 4.7 - Using the trends in the periodic table, rank the...Ch. 4.7 - Use electronegativity values to classify the...Ch. 4.7 - Prob. 4.23PCh. 4.8 - Prob. 4.24PCh. 4.9 - Prob. 4.25PCh. 4.9 - Prob. 4.26PCh. 4 - For each pair of compounds, classify the bonding...Ch. 4 - For each pair of compounds, classify the bonding...Ch. 4 - Prob. 4.29PCh. 4 - How many bonds and lone pairs are typically...Ch. 4 - Prob. 4.31PCh. 4 - Fill in the lone pairs needed to give the main...Ch. 4 - Prob. 4.33PCh. 4 - Convert the 3-D model of the general anesthetic...Ch. 4 - Draw a valid Lewis structure for each molecule. Hl...Ch. 4 - Draw a valid Lewis structure for each molecule....Ch. 4 - Prob. 4.37PCh. 4 - Prob. 4.38PCh. 4 - Draw a valid Lewis structure for...Ch. 4 - Draw a valid Lewis structure for phosgene, CCl2O ,...Ch. 4 - Draw a valid Lewis structure for each ion: (a)...Ch. 4 - Draw a valid Lewis structure for each ion: (a)...Ch. 4 - Keeping in mind that some elements violate the...Ch. 4 - Keeping in mind that some elements violate the...Ch. 4 - Prob. 4.45PCh. 4 - Prob. 4.46PCh. 4 - Prob. 4.47PCh. 4 - Prob. 4.48PCh. 4 - Prob. 4.49PCh. 4 - Label each pair of compounds are resonance...Ch. 4 - Prob. 4.51PCh. 4 - Draw three resonance structures for the nitrate...Ch. 4 - Name each covalent compound. PBr3 SO3 NCl3 P2S5Ch. 4 - Name each covalent compound. SF6 CBr4 N2O P4O10Ch. 4 - Prob. 4.55PCh. 4 - Prob. 4.56PCh. 4 - Add lone pairs where needed to give octets and...Ch. 4 - Add lone pairs where needed to give octets and...Ch. 4 - Prob. 4.59PCh. 4 - Match each compound with one of the molecular...Ch. 4 - Prob. 4.61PCh. 4 - Add lone pairs where needed to give octets and...Ch. 4 - Prob. 4.63PCh. 4 - Considering each of the given ball-and stick...Ch. 4 - Prob. 4.65PCh. 4 - Prob. 4.66PCh. 4 - Prob. 4.67PCh. 4 - Predict the bond angles around the indicated atoms...Ch. 4 - Prob. 4.69PCh. 4 - Prob. 4.70PCh. 4 - Rank the atoms in each group in order of...Ch. 4 - Prob. 4.72PCh. 4 - Prob. 4.73PCh. 4 - Using electronegativity values, classify the bond...Ch. 4 - Label the bond formed between carbon and each of...Ch. 4 - Label the bond formed between fluroine and each of...Ch. 4 - Which bond in each pair is more polar-that is, has...Ch. 4 - Which bond in each pair is more polar-that is, has...Ch. 4 - Prob. 4.79PCh. 4 - Prob. 4.80PCh. 4 - Label the polar bonds and then decide if each...Ch. 4 - Label the polar bonds and then decide if each...Ch. 4 - Prob. 4.83PCh. 4 - Explain why H2O is a polar molecule but H2S is...Ch. 4 - Convert each ball-and-stick model to a Lewis...Ch. 4 - Convert each ball-and-stick model to a Lewis...Ch. 4 - Answer the following questions about the molecule...Ch. 4 - Answer the following question about the molecule...Ch. 4 - Prob. 4.89PCh. 4 - Lactic acid gives sour milk its distinctive taste....Ch. 4 - Prob. 4.91PCh. 4 - Prob. 4.92PCh. 4 - Prob. 4.93PCh. 4 - Prob. 4.94PCh. 4 - Isobutyl cyanoacrylate is used in medical glues to...Ch. 4 - Prob. 4.96PCh. 4 - Cyclopropane is a stable compound that contains...Ch. 4 - Prob. 4.98CPCh. 4 - Prob. 4.99CPCh. 4 - Prob. 4.100CP
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