Module 3: Solutions

Question 1

made up of two or more components

Answer 1

Mixture

Question 2

a mixture in which only one phase is visible

Answer 2

Homogenous Mixture

Question 3

a mixture having components with different sizes and shapes and contains two or more visible phases

Answer 3

Heterogeneous Mixture

Question 4

homogenous mixtures that are composed of a solute and solvent

Answer 4

Solutions

Question 5

substance that is present in small amounts

Answer 5

Solute

Question 6

bulk or the medium in which the solute is dissolved, mixed, or dispersed

Answer 6

Solvent

Question 7

solutions that use water as the solvent

Answer 7

Aqueous Solutions

Question 8

aqueous solutions that can conduct electricity

Answer 8

Electrolytes

Question 9

aqueous solution that do not conduct electricity

Answer 9

Nonelectrolytes

Question 10

this is when the solute particles eventually drift into the solution

Answer 10

Solvation

Question 11

a process in which the energy absorptionis sometimes necessary to break down the solute and solvent particlesand overcome the respective intermolecular forces of attraction

Answer 11

Endothermic

Question 12

a process in which the energy is released during interaction between solute and solvent molecules

Answer 12

Exothermic

Question 13

accounts for the overall change in the energy associated with the formation of solution

Answer 13

Heat of Solution

Question 14

energy change accompanying the formation of one mole of solid from gaseous reactants

Answer 14

Lattice Energy

Question 15

interaction of water molecules with solute particles

Answer 15

Hydration

Question 16

amount of solute and solvent particles present in the solution

Answer 16

Concentration of Solution

Question 17

number of moles of solute X relative to the total number of moles in a mixture

Answer 17

Mole Fraction

Question 18

expressed as the number of miles of solute per liter of solution (mol/L)

Answer 18

Molarity/ Molar Concentration

Question 19

number of moles of solute per kilogram of solvent

Answer 19

Molality

Question 20

maximum concentration that can be dissolved in a saturated solution

Answer 20

Solubility

Question 21

solution where in the concentration of the solute is beyond what the solvent can dissolve

Answer 21

Saturated Solution

Question 22

serves as the maximum amount of solute that can be dissolved in a given quantity of solvent

Answer 22

Saturation Limit

Question 23

factors affecting solubility

Answer 23

Nature of Solvent, Temperature, Pressure

Question 24

condition wherein warm and less dense water floats over cold, denser water

Answer 24

Thermal Stratification

Question 25

states that the amount of gas dissolved Ina solution is directly proportional to the pressure exerted by that gas above the solution

Answer 25

Henry’s Law