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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
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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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.
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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