10- A laboratory experiment was performed to identify anunknown chemical. There, the unknown liquid was foundto be insoluble in water and completely soluble in ethanoland cyclohexane.. 25 ml of this unknown chemical wasweighed as 20.25 g. Using the table for physical propertiesof common substances below, identify this chemical.Physical Properties of Some Common Laboratory ChemicalsMeltingpoint(C)-95.0DensityBoilingSolubilityCompoundpointeC)5680(gem')WaterEthanol CyclohesaneAcetone0.792-ButanoneCyclohexeneChloroformEthyl acetaten-HexaneMethyl alcoholNaphthalene1-Propand2-PropandlToluene0.81-86.0-104.00.81831.49-63.5-84.0610.907769650.66-95.00.79-94.00.9680.52180.80-127.0-90.0-95.0970.79820.87111 a) Cyclohexeneb) O Toluenec) O Acetoned) O Chloroform

A question based on density, which is to be accomplished.

Answered: a) Cyclohexene еxene b) O Toluene c)O…

Science

Chemistry

a) Cyclohexene еxene b) O Toluene c)O Acetone d) O Chloroform

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter15: Solutions

Section: Chapter Questions

Problem 27QAP

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Concept explainers

Alkanes and Cycloalkanes

Alkanes are saturated organic compounds which are made up of C and H atoms. Alkanes have the general formula of CnH2n+2. Alkane contains sp3 hybridized carbon atoms with four sigmas (σ) bonds & every hydrogen atom is connected with one of the carbon atoms. The size of the alkane could be determined by the number of carbon atoms located in it.

Question

100%

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

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