Unit 7 - Solution Chemistry

Question 1

Definition of Unsaturated Solution

Answer 1

Holds less solute than max

Question 2

Definition of Saturated Solution

Answer 2

Holds max amount of solute

Question 3

Definition of Supersaturated Solution

Answer 3

Holds more than max amount of solute

Question 4

Definition of Aqueous Solution

Answer 4

Solvent is Water

Question 5

What factors is the solubility of a substance is dependent by?

Answer 5

1. Pressure
2. Temperature
3. Chemical Properties

Question 6

How does pressure affect the solubility of a gas?

Answer 6

As pressure increases, solubility of gas INCREASES

Question 7

How does temperature affect the solubility of a solid?

Answer 7

As temperature increases, solubility of solids increases

Question 8

How does temperature affect the solubility of a gas?

Answer 8

As temperature increases, solubility of gases decreases

(Opposite of the Ideal Gas Law - Low Pressure and High Temperature)

Question 9

What is the motto to follow regarding the effect of chemical properties on solubility? (4)

Answer 9

1. Like Dissolves Like
2. Polar Solvents Dissolve Polar Solutes
3. Nonpolar Solvents dissolve Nonpolar Solutes
4. Polar and Nonpolar cannot dissolve each other

Question 10

How do Ionic Solids Dissolve? (4)

Answer 10

1. In Polar Solvents
2. Ionic Compounds Dissociate to Respective Charges
3. Each Ion Surrounded by Solvent
4. Act as Electrolytes (Remember Conduction)

Question 11

Definition of Precipitate (2)

Answer 11

1. An Insoluble/Solid Compound
2. Forms as a Result of a Replacement Reaction