Chapter 4 Reactions

Question 0

A ______ is a homogeneous mixture of two or more substances

Answer 0

Solution

Question 1

A solution in which water is the dissolving medium is called an ______ ______

Answer 1

Aqueous solution

Question 2

The substance present in the greatest quantity is usually called the ______

Answer 2

Solvent

Question 3

The substance dissolved in the solvent is called the ______

Answer 3

Solute

Question 4

The presence of conductivity indicates the presence of charged (non neutral) _____

Answer 4

Ions

Question 5

A substance (such as NaCl) whose aqueous solutions contain ions is called an ________

Answer 5

Electrolyte

Question 6

A substance (such as sugar) that does not form ions in solution is called a ____________

Answer 6

Nonelectrolyte

Question 7

_____ compounds tend to conduct electricity well whereas ________ compounds do not

Answer 7

Ionic

Covalent (or molecular)

Question 8

The lowercase Greek letter delta is used to denote _____ charge either as d- for negative or d+ for positive

Answer 8

Partial

Question 9

Solvated ions occur when an ionic compound dissaccociates

Answer 9

Absorb

Question 10

Salvation helps ________ the ions in solution and prevents ions from recombining

Answer 10

Stabilize

Question 11

Acids are the main _______ compounds that form electrolytes

Answer 11

Molecular

Question 12

Strong electrolytes exist completely as _____ in aqueous solution

Answer 12

Ions

Question 13

_____ electrolytes only partially exist as ______ in aqueous solution

Answer 13

Weak

Ions

Question 14

Chemical ______ is when the relative numbers of each type of ion or molecule in the reaction are constant over time

Answer 14

Equilibrium

Question 15

The exception to water soluable ionic compounds be strong electrolytes is compounds containing ____

Answer 15

NH4

Question 16

Any substance with soluability less than .01 mol/L is considered ______

Answer 16

Insoluable

Question 17

Insoluability occurs when the oppositely charged ions is _____ ________ for the water to separate the ions

Answer 17

Too

Great

Question 18

Double displacement reactions are also called ____ reactions or _______ reactions

Answer 18

Exchange

Metathesis

Question 19

Corrosion is the conversion of _____ into metal _______

Answer 19

Metal

Compound

Question 20

When metal corrodes each metal atom loses _____ and so forms a cation

Answer 20

Electrons

Question 21

Loss of electrons is _______

Answer 21

Oxidation

Question 22

Gain of electrons is _______

Answer 22

Reduction

Question 23

Molarity= _______/______

Answer 23

Moles solute

Volume of solution in liters

Question 24

The Molarity of an ion in a compound is equal to the molarity of the _____ times the __________ of the ion/element in question

Answer 24

Compound | Subscript