CONCENTRATIONS & SOLUTIONS

Question 1

c = kP

P is the

Answer 1

pressure of the gas over the solution

Question 2

Each ion is surrounded by solvent molecules. If the solvent is water, the ions are []

Answer 2

hydrated

Question 3

Low [] = Low []

Answer 3

Low P = Low C

Question 4

What are the Intermolecular forces?

Answer 4

Dispersion Forces, H-Bonding, Dipole dipole

Question 5

contains less solute than the solvent has the capacity to dissolve at a specific temperature.

Answer 5

unsaturated

Question 6

c = kP

c is the

Answer 6

concentration (M) of the dissolved gas

Question 7

c = kP

k is a

Answer 7

constant (mol/L*atm) that depends only on temperature

Question 8

Two substances with similar [] are likely to be soluble in each other.

Answer 8

intermolecular forces

Question 9

is electrostatically attracted to an O, N, or F atom in another molecule

Answer 9

h-bonding

Question 10

Factors affecting Solubility

Answer 10

Nature of Solvent, Temperature, pressure

Question 11

Enthalpy (∆H) changes with each interaction [].

Answer 11

broken or formed

Question 12

contains the maximum amount of a solute that will dissolve in a given solvent at a specific temperature.

Answer 12

saturated

Question 13

C2H5OH in H2O

Answer 13

polar molecules are soluble with polar solvents

Question 14

The solubility of a gas in a liquid is proportional to the pressure of
the gas over the solution

Answer 14

Henry’s law

Question 15

Nonpolar substances tend to dissolve in []

Answer 15

non polar solvent

Question 16

are attractive forces between permanent dipoles of two polar molecules

Answer 16

Dipole dipole

Question 17

occurs when hydrogen atom is bonded to O, N, or F

Answer 17

h-bonding

Question 18

Type of Force: Relative Strength: Exhibited by

London Dispersion

Answer 18

London Dispersion: Weak: All molecules

Question 19

present in polar molecules.

Answer 19

Dipole dipole

Question 20

contains more solute than is present in a saturated solution at a specific temperature.

Answer 20

supersaturated

Question 21

are very weak interactions due to the momentary changes in electron
density in a molecules.

Answer 21

Dispersion Force

Question 22

Type of Force: Relative Strength: Exhibited by

Hydrogen Bonding

Answer 22

H-Bonding: Strong: Molecules with O-H, N-H, H-F

Question 23

ionic compounds are more [] in polar solvents

Answer 23

soluble

Question 24

High [] = High []

Answer 24

High P = High C

Question 25

larger dipole moment, larger the forces.

Answer 25

dipole dipole

Question 26

Solvent molecules [] to surface ions. The ions are [] (surrounded by solvent).

Answer 26

attracted - solvated

Question 27

Henry’s Law Formula

Answer 27

c = kP

Question 28

Types of solutions

Answer 28

Saturated, Unsaturated, Supersaturated

Question 29

Type of Force: Relative Strength: Exhibited by

Dipole dipole

Answer 29

Dipole Dipole: Moderate: Molecules with net dipole

Question 30

are homogeneous mixtures of two or more pure substances.

Answer 30

Solutions

Question 31

a substance that is dissolved
in a solvent to produce a
solution.

Answer 31

Solute

Question 32

Polar substances tend to dissolve in []

Answer 32

polar solvent

Question 33

Present in covalent molecules.

Answer 33

Dispersion

Question 34

Factors Affecting Solubility

If the solution process [], then the solubility will be [] with [] temperature

Answer 34

Temperature

releases energy - decreased - increased

Question 35

Chemists use the axiom “”

Answer 35

like dissolves like

Question 36

the fraction of a solution in
which the other components
are dissolved.

Answer 36

Solvent

Question 37

NaCl in H2O or NH3(l)

Answer 37

ionic compounds are more soluble in polar solvents

Question 38

also known as Van der Waals forces and London dispersion

Answer 38

Dispersion forces

Question 39

Factors Affecting Solubility

If the solution process [], then the solubility will be [] as the temperature is []

Answer 39

Temperature

absorbs energy - increased - increased

Question 40

CCl4 in C6H6

Answer 40

non polar molecules are soluble with non polar solvents