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Chapter 14: Problem 2

How do the properties of a nonhomogeneous (heterogeneous) mixture differ from those of a solution? Give two examples of nonhomogeneous mixtures.

Short Answer

Expert verified
A nonhomogeneous (heterogeneous) mixture has components that are not evenly distributed and often has more than one phase, while a solution is a homogeneous mixture with even distribution of components and only one phase. The primary differences between nonhomogeneous mixtures and solutions are uniformity and phases. Examples of nonhomogeneous mixtures include sand and water, where sand particles do not dissolve and form a separate layer, and oil and water, where they do not dissolve in each other and form distinct layers.

Step by step solution

01

1. Understanding a nonhomogeneous mixture

A nonhomogeneous (heterogeneous) mixture is one in which the different components are not evenly distributed throughout, and can often be separated visually or physically. It has two or more phases, and its composition may vary as it is not uniform.
02

2. Understanding a solution

A solution, on the other hand, is a homogeneous mixture in which the components are evenly distributed at the molecular level. It has only one phase, and its composition is uniform throughout.
03

3. Differences between nonhomogeneous mixtures and solutions

There are two primary differences between nonhomogeneous mixtures and solutions: - Uniformity: Solutions are homogeneous and have a uniform composition throughout, whereas nonhomogeneous mixtures are heterogeneous and do not have a uniform composition. - Phase: Solutions have only one phase, whereas nonhomogeneous mixtures contain two or more phases.
04

4. Examples of nonhomogeneous mixtures

Two examples of nonhomogeneous mixtures are: a) Sand and water: When sand is mixed with water, the sand particles do not dissolve in water and form a separate layer at the bottom. It is a heterogeneous mixture due to the uneven distribution of sand particles in water. b) Oil and water: When oil is mixed with water, they do not dissolve in each other and form distinct layers. This is an example of a nonhomogeneous mixture, as the composition is not uniform throughout.

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