Chapter 7

Question 1

Suspension

Answer 1

A mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas

Question 2

Colloid

Answer 2

A mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions and that are suspended in a liquid, solid, or gas

Question 3

Emulsion

Answer 3

Any mixture of two or more immiscible liquids in which one liquid is dispersed in the other

Question 4

Solution

Answer 4

A homogenous mixture of two or more substances uniformly dispersed throughout a single phase

Question 5

Solute

Answer 5

The substance that dissolves in the solvent

Question 6

Solvent

Answer 6

The substance in which the solute dissolves

Question 7

Alloy

Answer 7

A solid or liquid mixture of two or more metals

Question 8

Heterogeneous mixture

Answer 8

Composed of dissimilar components

Question 9

Decanting

Answer 9

To pour a liquid from one container to another

Question 10

Immiscible

Answer 10

Describes two or more liquids that do not mix with each other

Question 11

Tyndall effect

Answer 11

The visible path of light produced by the scattering action (Tyndall effect) of the particles in a colloidal solution on a beam of light passed through it

Question 12

polar compound

Answer 12

A compound made up of molecules joined by assymetrical polar bonds

Question 13

hydrogen bonding

Answer 13

The intermolecular force occurring when a hydrogen atom that is bonded to a highly electronegative atom of one molecule is attracted to two unshared electrons of another molecule

Question 14

nonpolar compound

Answer 14

A compound comprised of molecules linked through chemical bonds arranged in such a way that the distribution of charges are symmetrical

Question 15

solubility

Answer 15

The ability of one substance to dissolve in another at a given temperature and pressure; expressed in terms of the maximum amount of solute that will dissolve in a given amount of solvent

Question 16

concentration

Answer 16

The amount of a particular substance in a given quantity of a mixture, solution, or ore

Question 17

unsaturated solution

Answer 17

solution that is able to dissolve additional solute

Question 18

saturated solution

Answer 18

A solution that cannot dissolve any more solute under the given conditions

Question 19

supersaturated solution

Answer 19

To cause (a chemical solution) to be more highly concentrated than is normally possible under given conditions of temperature and pressure

Question 20

molarity

Answer 20

The concentration of a solution in moles of dissolved solute per liter of solution

Question 21

insoluble

Answer 21

Incapable of being dissolved

Question 22

soluble

Answer 22

Capable of dissolving in a particular solvent

Question 23

Dilute

Answer 23

To make (a liquid) thinner or weaker by the addition of water or the like