Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN: 9781305079250
Author: Mark S. Cracolice, Ed Peters
Publisher: Cengage Learning
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Chapter 9, Problem 34E
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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 9 Solutions
Introductory Chemistry: An Active Learning Approach
Ch. 9 - Prob. 1ECh. 9 - Prob. 2ECh. 9 - Prob. 3ECh. 9 - Prob. 4ECh. 9 - Questions 5 through 12: Write the major species in...Ch. 9 - Prob. 6ECh. 9 - Questions 5 through 12: Write the major species in...Ch. 9 - Prob. 8ECh. 9 - Questions 5 through 12: Write the major species in...Ch. 9 - Question 5 through 12: Write the major species in...
Ch. 9 - Question 5 through 12: Write the major species in...Ch. 9 - Question 5 through 12: Write the major species in...Ch. 9 - Questions 13 through 18: For each reaction...Ch. 9 - Questions 13 through 18: For each reaction...Ch. 9 - Prob. 15ECh. 9 - Prob. 16ECh. 9 - Prob. 17ECh. 9 - Questions 13 through 18: For each reaction...Ch. 9 - Questions 19 through 24: For each pair of...Ch. 9 - Prob. 20ECh. 9 - Questions 19 through 24: For each pair of...Ch. 9 - Questions 19 through 24: For each pair of...Ch. 9 - Questions 19 through 24: For each pair of...Ch. 9 - Prob. 24ECh. 9 - Questions 25 through 28: Write the equation for...Ch. 9 - Prob. 26ECh. 9 - Prob. 27ECh. 9 - Prob. 28ECh. 9 - Questions 29 through 36: For each pair of...Ch. 9 - Prob. 30ECh. 9 - Questions 29 through 36: For each pair of...Ch. 9 - Prob. 32ECh. 9 - Questions 29 through36: For each pair of reactants...Ch. 9 - Questions 29 through36: For each pair of reactants...Ch. 9 - Questions 29 through36: For each pair of reactants...Ch. 9 - Questions 29 through 36: For each pair of...Ch. 9 - Write the net ionic equations for the...Ch. 9 - Prob. 38ECh. 9 - Questions 39 through 44: For each pair of...Ch. 9 - Prob. 40ECh. 9 - Questions 39 through 44: For each pair of...Ch. 9 - Prob. 42ECh. 9 - Questions 39 through 44: For each pair of...Ch. 9 - Prob. 44ECh. 9 - Questions 45 through 48: For each pair of...Ch. 9 - Prob. 46ECh. 9 - Questions 45 through 48: For each pair of...Ch. 9 - Prob. 48ECh. 9 - Prob. 49ECh. 9 - Prob. 50ECh. 9 - Prob. 51ECh. 9 - The remaining questions include all types of...Ch. 9 - Prob. 53ECh. 9 - Prob. 54ECh. 9 - Prob. 55ECh. 9 - Prob. 56ECh. 9 - Prob. 57ECh. 9 - Prob. 58ECh. 9 - Prob. 59ECh. 9 - The remaining questions include all types of...Ch. 9 - Prob. 61ECh. 9 - Prob. 62ECh. 9 - Prob. 63ECh. 9 - Prob. 64ECh. 9 - Prob. 65ECh. 9 - Prob. 66ECh. 9 - Prob. 67ECh. 9 - Prob. 68ECh. 9 - Prob. 69ECh. 9 - The remaining questions include all types of...Ch. 9 - Prob. 71ECh. 9 - Prob. 72ECh. 9 - The remaining questions include all types of...Ch. 9 - Prob. 74ECh. 9 - The remaining questions include all types of...Ch. 9 - Prob. 76ECh. 9 - Prob. 77ECh. 9 - Prob. 78ECh. 9 - Prob. 79ECh. 9 - Prob. 80ECh. 9 - Prob. 9.1TCCh. 9 - Write a brief description of the relationships...Ch. 9 - Write a brief description of the relationships...Ch. 9 - Prob. 3CLECh. 9 - Prob. 1PECh. 9 - Prob. 2PECh. 9 - Prob. 3PECh. 9 - Aluminum nitrate and sodium hydroxide solutions...Ch. 9 - A piece of solid zinc is dropped into hydrochloric...Ch. 9 - Chlorine gas is bubbled through a sodium bromide...Ch. 9 - Write the conventional, total ionic, and net ionic...Ch. 9 - Prob. 8PECh. 9 - Prob. 9PECh. 9 - Prob. 10PECh. 9 - Prob. 11PECh. 9 - Prob. 12PECh. 9 - Solutions of hydrobromic acid and barium hydroxide...Ch. 9 - Solutions of hydroiodic acid and sodium fluoride...Ch. 9 - Prob. 15PECh. 9 - Prob. 16PECh. 9 - A nitric acid solution is poured onto solid nickel...Ch. 9 - Prob. 18PECh. 9 - A skill you need for writing net ionic equations...Ch. 9 - Prob. 2ECECh. 9 - Prob. 3ECECh. 9 - Prob. 4ECECh. 9 - Prob. 5ECECh. 9 - Prob. 6ECECh. 9 - A skill you need for writing net ionic equations...Ch. 9 - A skill you need for writing net ionic equations...Ch. 9 - Prob. 9ECECh. 9 - Prob. 10ECECh. 9 - Prob. 11ECECh. 9 - A skill you need for writing net ionic equations...
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