Chapter 7 Solutions - John England

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 intermediate in size between particles in a Solution and particles in a suspension that are suspended in a solid, liquid, 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 homogeneous mixture of two or more substances uniformly dispersed throughout a single phase.

Question 5

Solute

Answer 5

In a solution, the substance that dissolves in the solvent.

Question 6

Solvent

Answer 6

In a solution, 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

A mixture in which the amount of each substance varies.

Question 9

Decanting

Answer 9

Method of separating immiscible liquids by gently pouring out the less dense liquid on top.

Question 10

Immiscible

Answer 10

Two liquids that do not mix well together.

Question 11

Tyndall Effect

Answer 11

When particles in a colloid scatter light.

Question 12

Polar Compound

Answer 12

A molecule that has an uneven distributions of electrons.

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 whose electrons are evenly distributed among its atoms.

Question 15

Solubility

Answer 15

The maximum amount of solute that will dissolve in a give quantity of solvent at a given temperature and pressure.

Question 16

Concentration

Answer 16

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

Question 17

Unsaturated Solution

Answer 17

Solution with less than the amount of solvent that can be dissolved.

Question 18

Saturated Solution

Answer 18

Solution with the exact amount of solute that can be dissolved.

Question 19

Supersaturated Solution

Answer 19

Solution with more solute than can be dissolved.

Question 20

Molarity

Answer 20

An expression of the concentration of the solution in moles of dissolved solute per liter of solution.

Question 21

Insoluble

Answer 21

A substance cannot dissolve easily.

Question 22

Soluble

Answer 22

A substance can dissolve easily.

Question 23

Dilute

Answer 23

When the ratio of solute to solvent is low.