EBK FOUNDATIONS OF COLLEGE CHEMISTRY
EBK FOUNDATIONS OF COLLEGE CHEMISTRY
15th Edition
ISBN: 9781119227946
Author: Willard
Publisher: VST
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Chapter 1, Problem 6PE

(a)

Interpretation Introduction

Interpretation:

The stainless steel has to be identified as homogenous or heterogeneous mixture.

Concept Introduction:

Mixture:

A mixture always contains two or more substances that can be present in varying amounts.  The components of a mixture do not lose their identities and may be separated by physical means.  There are two types of mixture,

  • Homogeneous mixture
  • Heterogeneous mixture

Homogeneous mixture:

Homogenous mixture consist of a single phase be it liquid, gas, or solid the chemical composition is the same for any sample of the mixture.

Heterogeneous mixture:

Heterogeneous mixture consist of different phase are not uniform they will not have an identical composition.

(b)

Interpretation Introduction

Interpretation:

The motor oil has to be identified as homogenous or heterogeneous mixture.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

Soil has to be identified as homogenous or heterogeneous mixture.

Concept Introduction:

Refer to part (a).

(d)

Interpretation Introduction

Interpretation:

A tree has to be identified as homogenous or heterogeneous mixture.

Concept Introduction:

Refer to part (a).

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Students have asked these similar questions
Suggest physical changes by which the followingmixtures can be separated.(a) iron filings and wood chips(b) ground glass and sucrose (cane sugar)(c) water and olive oil(d) gold flakes and water
7. State whether each of the following represents a chemical change or merely a physical change:(a) A few grams of sucrose (table sugar) are placed in a small beaker of deionized water; the sugar crystals “disappear,” and the liquid in the beaker remains clear and colorless.(b) A copper statue, over time, turns green.(c) When a teaspoon of baking soda (sodium bicarbonate) is placed into a few ounces of vinegar (acetic acid), volumes of bubbles (effervescence) are produced.
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