2.115 Classify each of the following as a compound, a homoge- neous mixture, or a heterogeneous mixture: (a) distilled water; (b) gasoline; (c) beach sand; (d) wine; (e) air.
2.115 Classify each of the following as a compound, a homoge- neous mixture, or a heterogeneous mixture: (a) distilled water; (b) gasoline; (c) beach sand; (d) wine; (e) air.
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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Question
115 please

Transcribed Image Text:Mixtures: Classification and Separation
2.1
tic
Concept Review Questions
as
th
112 Im what main way is separating the components of a mix-
ture different from separating the components of a compound?
an
2
2.113 What is the difference between a homogeneous and a het-
erogeneous mixture?
2.114 Is a solution a homogeneous or a heterogeneous mixture?
Give an example of an aqueous solution.
Skil-Building Exercises (grouped in similar pairs)
2.115 Classify each of the following as a compound, a homoge-
neous mixture, or a heterogeneous mixture: (a) distilled water;
(b) gasoline; (c) beach sand; (d) wine; (e) air.
2.116 Classify each of the following as a compound, a homoge-
neous mixture, or a heterogeneous mixture: (a) orange juice;
(b) vegetable soup; (c) cement; (d) calcium sulfate; (e) tea.
Problems in Context
2.117 Which separation method is operating in each of the follow-
ing procedures?
(a) Pouring a mixture of cooked pasta and boiling water into a
colander
(b) Removing colored impurities from raw sugar to make refined
sugar
2.118 A quality-control laboratory analyzes a product mixture using
gas-liquid chromatography. The separation of components is more
than adequate, but the process takes too long. Suggest two ways, other
than changing the stationary phase, to shorten the analysis time.
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