Chemsitry Test 12

Question 1

Solid or gas substance being dissolved

Answer 1

Solute

Question 2

Substance doing the dissolving

Answer 2

Solvent

Question 3

Two liquids which will mix with each other in any proportion

Answer 3

Miscible

Question 4

2 liquids which will not mix with each other in any proportion

Answer 4

Immiscrible

Question 5

What does “Like dissolve like” refer too?

Answer 5

Refers to polarity with polar and non-polar

Question 6

• true solution
• solute particles very small
• does not separate on standing
• light passes through
• cannot be filtered

Answer 6

Homogeneous

Question 7

• suspensions
• not uniform throughout
• partied are large
• may settle on standing
• light does not pass through
• can separate when filtered

Answer 7

Heterogeneous

Question 8

Homogeneous mixture of 2 or more substance in a single phase

Answer 8

Solutions

Question 9

Substance that dissolves into ions in solution

Answer 9

Electrolytes

Question 10

Substance that dissolves in a solution but does not produce ions

Answer 10

Non-electrolytes

Question 11

What are the factors affecting the Rate of Dissolution?

Answer 11

1. Surface Area
2. Agitation
3. Temperature of Solvent

Question 12

Maximum quantity of solute that will dissolve in a solvent

Answer 12

Solubility of Solids

Question 13

• Solvent holding the maximum possible for a given temperature
• can tell a solution is saturated when solute particles are visible on the bottom

Answer 13

Saturated

Question 14

Holding less solute than normally possible for the temperature

Answer 14

Unsaturated

Question 15

• holding more solute than normally possible for the given temperature
• involves saturating the solution at high temperature than allowing to cool undisputed

Answer 15

Supersaturated

Question 16

The presence of very, very little solute in solution

Answer 16

Insoluble

Question 17

Solution process for ionic compounds

Answer 17

Water molecules are attracted to the ions located on the surface of an ionic solid

Question 18

• decreases with temp

- increases with pressure

Answer 18

Solubility of gases

Question 19

Amount of energy absorbed or released when a specific mount of solute dissolves in a solvent

Answer 19

Heat of solution

Question 20

Concentration of solutions

Answer 20

Concentration vs. Dilute

Question 21

Properties that depend on the concentration of solute particles

Answer 21

Colligative Properties

Question 22

• addition of solute lowers the freezing point of water

- constant

Answer 22

Freezing point

Question 23

What is the freezing point formula?

Answer 23

A+=m(number particles)kf

Question 24

• Addition of solute raise boiling point of water

- every 1m raises the b.p. 0.15C

Answer 24

Boiling point elevation

Question 25

What is the boiling point formula?

Answer 25

A+=m(number of particles)kb

Question 26

What is the formula for Molarity?

Answer 26

g=m(molar mass)L

Question 27

What is the formula for Molality?

Answer 27

g=m(molar mass)(kg)

Question 28

Known amount of solute and amount of solution

Amount of solvent not specified

Answer 28

Molarity (M)

Question 29

Known amount solute and amount of solvent

Amount of solution not specified

Answer 29

Molality (m)