Lecture 12

Question 1

Dissociation= ?

Answer 1

Ionic compounds dissolve in water and anions and cations separate from each other.

Question 2

Electrolytes definition

Answer 2

Substances whose water solution is a conductor of electricity (all electrolytes have ions dissolved in water)

Question 3

Strong electrolytes definition and examples?

Answer 3

All the electrolytes molecules or formula units are separated into ions

-Sodium Hydroxide
-Sodium Chloride
-Hydrochloric Acid
-Salts are mostly strong

Question 4

Weak Electrolytes definition and examples

Answer 4

A small percentage of the molecules are separated into ions

-Water
-acetic acid
-ammonia
-acids

Question 5

Non Electrolytes definition and examples?

Answer 5

None of the molecules are separated into ions.

-Sugar
-Alcohol
-oil
-Bases
-metal hydroxides

Question 6

4 Groups that are largely insoluable?

Answer 6

Phosphates, chromates, carbonates, and sulfides.

Question 7

Solubility ___ as you move to the right

Answer 7

Decreases

Question 8

What are 3 types of reactions?

Answer 8

Precipitation, Acid-Base, and Gas evolution reactions

Question 9

Participation reactions definition?

Answer 9

Takes place from the exchange of cations and anions and forms a solid (precipitate)

Question 10

Acid Base reactions definiton?

Answer 10

Neutralization reactions H+ and base contains OH- and combine to make H20 and a salt (ALWAYS)