Date Laboratory Instructor ebncidy Identification of Substances Pre-lab by Physical Properties Questions d H imly Sut1 Before beginning this experiment in the laboratory, you should be able to answer the following questions. List five physical properties. 1. eorw blop I hib cin Phing it sd 2. A 1.20 g sample of an unknown has a volume of 1.73 cm2. What is the density of the unknown? doid mulov st liquids at room temperature? (See Table 1.) Are the substances lauric acid and stearic acid solids or 3. Could you determine the density of bromoform using water? Why or why not? (See Table 1.) 4. What would be the boiling point of methylene chloride at 670 mm Hg? 5. Why do you calibrate thermometers and pipets? 6. 7. Miscible liquids form a homogeneous mixture when added together. Is toluene miscible with water? With ethyl alcohol? (See Table 1.) 4kemeat o AE 2018 Pearson Education, Inc. Copyright 0 Identification of Substances by Physical Properties 8. When water and bromoform are mixed, two layers form. Is the bottom layer water or bromoform? (See Table 1.) 9. What solvent would you use to determine the density of zinc chloride? ob 21 10. The density of a solid with a melting point of 42° to 44 °C was determined to be 0.87 ± 0.02 g/mL. What is the solid? ads d The density of a liquid whose boiling point is 55° to 57 °C was determined to be 0.77 + 0.05 g/mL. What is the liquid? 11. 8A 12. Which has the greater volume-10 g of hexane or 10 g of toluene? What is the volume of each? 2bipit bios nustase o 2 88 s4 E Yib obs er t on uD 1do enoivdihg toledt sd ow tas W2 ogi b eo o ob vil uw H0 urood thiakdiokM CTskdatspt)

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
icon
Related questions
Question
Date
Laboratory Instructor
ebncidy
Identification of Substances
Pre-lab
by Physical Properties
Questions
d H imly Sut1
Before beginning this experiment in the laboratory, you should be able to answer the
following questions.
List five physical properties.
1.
eorw blop
I
hib
cin
Phing it sd
2.
A 1.20 g sample of an unknown has a volume of 1.73 cm2. What is the density of the unknown?
doid
mulov st
liquids at room temperature? (See Table 1.)
Are the substances lauric acid and stearic acid solids or
3.
Could you determine the density of bromoform using water? Why or why not? (See Table 1.)
4.
What would be the boiling point of methylene chloride at 670 mm Hg?
5.
Why do you calibrate thermometers and pipets?
6.
7. Miscible liquids form a homogeneous mixture when added together. Is toluene miscible with water?
With ethyl alcohol? (See Table 1.)
4kemeat o
AE
2018 Pearson Education, Inc.
Copyright
0
Transcribed Image Text:Date Laboratory Instructor ebncidy Identification of Substances Pre-lab by Physical Properties Questions d H imly Sut1 Before beginning this experiment in the laboratory, you should be able to answer the following questions. List five physical properties. 1. eorw blop I hib cin Phing it sd 2. A 1.20 g sample of an unknown has a volume of 1.73 cm2. What is the density of the unknown? doid mulov st liquids at room temperature? (See Table 1.) Are the substances lauric acid and stearic acid solids or 3. Could you determine the density of bromoform using water? Why or why not? (See Table 1.) 4. What would be the boiling point of methylene chloride at 670 mm Hg? 5. Why do you calibrate thermometers and pipets? 6. 7. Miscible liquids form a homogeneous mixture when added together. Is toluene miscible with water? With ethyl alcohol? (See Table 1.) 4kemeat o AE 2018 Pearson Education, Inc. Copyright 0
Identification of Substances by Physical Properties
8. When water and bromoform are mixed, two layers form. Is the bottom layer water or bromoform?
(See Table 1.)
9.
What solvent would you use to determine the density of zinc chloride?
ob
21
10. The density of a solid with a melting point of 42° to 44 °C was determined to be 0.87 ± 0.02 g/mL. What
is the solid?
ads
d
The density of a liquid whose boiling point is 55° to 57 °C was determined to be 0.77 + 0.05 g/mL. What
is the liquid?
11.
8A
12.
Which has the greater volume-10 g of hexane or 10 g of toluene? What is the volume of each?
2bipit
bios nustase
o
2 88 s4
E
Yib obs
er
t on
uD
1do enoivdihg
toledt sd ow tas W2
ogi b
eo o ob vil
uw
H0
urood thiakdiokM
CTskdatspt)
Transcribed Image Text:Identification of Substances by Physical Properties 8. When water and bromoform are mixed, two layers form. Is the bottom layer water or bromoform? (See Table 1.) 9. What solvent would you use to determine the density of zinc chloride? ob 21 10. The density of a solid with a melting point of 42° to 44 °C was determined to be 0.87 ± 0.02 g/mL. What is the solid? ads d The density of a liquid whose boiling point is 55° to 57 °C was determined to be 0.77 + 0.05 g/mL. What is the liquid? 11. 8A 12. Which has the greater volume-10 g of hexane or 10 g of toluene? What is the volume of each? 2bipit bios nustase o 2 88 s4 E Yib obs er t on uD 1do enoivdihg toledt sd ow tas W2 ogi b eo o ob vil uw H0 urood thiakdiokM CTskdatspt)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY