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...
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![10- A laboratory experiment was performed to identify an
unknown chemical. There, the unknown liquid was found
to be insoluble in water and completely soluble in ethanol
and cyclohexane.. 25 ml of this unknown chemical was
weighed as 20.25 g. Using the table for physical properties
of common substances below, identify this chemical.
Physical Properties of Some Common Laboratory Chemicals
Melting
point
(C)
-95.0
Density
Boiling
Solubility
Compound
point
eC)
56
80
(gem')
Water
Ethanol Cyclohesane
Acetone
0.79
2-Butanone
Cyclohexene
Chloroform
Ethyl acetate
n-Hexane
Methyl alcohol
Naphthalene
1-Propand
2-Propandl
Toluene
0.81
-86.0
-104.0
0.81
83
1.49
-63.5
-84.0
61
0.90
77
69
65
0.66
-95.0
0.79
-94.0
0.96
80.5
218
0.80
-127.0
-90.0
-95.0
97
0.79
82
0.87
111](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F80ae38e8-f212-47e8-bd95-99bae0fbee65%2F62c4113c-56e6-44cf-a1c0-85dcf374266a%2F2sdo66_processed.png&w=3840&q=75)
Transcribed Image Text:10- A laboratory experiment was performed to identify an
unknown chemical. There, the unknown liquid was found
to be insoluble in water and completely soluble in ethanol
and cyclohexane.. 25 ml of this unknown chemical was
weighed as 20.25 g. Using the table for physical properties
of common substances below, identify this chemical.
Physical Properties of Some Common Laboratory Chemicals
Melting
point
(C)
-95.0
Density
Boiling
Solubility
Compound
point
eC)
56
80
(gem')
Water
Ethanol Cyclohesane
Acetone
0.79
2-Butanone
Cyclohexene
Chloroform
Ethyl acetate
n-Hexane
Methyl alcohol
Naphthalene
1-Propand
2-Propandl
Toluene
0.81
-86.0
-104.0
0.81
83
1.49
-63.5
-84.0
61
0.90
77
69
65
0.66
-95.0
0.79
-94.0
0.96
80.5
218
0.80
-127.0
-90.0
-95.0
97
0.79
82
0.87
111
![a) Cyclohexene
b) O Toluene
c) O Acetone
d) O Chloroform](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F80ae38e8-f212-47e8-bd95-99bae0fbee65%2F62c4113c-56e6-44cf-a1c0-85dcf374266a%2F35et7n_processed.png&w=3840&q=75)
Transcribed Image Text:a) Cyclohexene
b) O Toluene
c) O Acetone
d) O Chloroform
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