Module 1 - Water as a solvent

Question 1

A liquid that dissolves a substance

Answer 1

Solvent

Question 2

A substance which dissolves

Answer 2

Solute

Question 3

A mixture of solvent and solute

Answer 3

Solution

Question 4

A measure of how much of a given substance will dissolve in a liquid

Answer 4

Solubility

Question 5

W—- is a solvent

Answer 5

Water

Question 6

Water is a C——– compound

Answer 6

Covalent

Question 7

M——– M— of a substance is calculated from atomic mass number of its elements

Answer 7

Molecular mass

Question 8

A molecular mass in grams is a ____

Answer 8

Mole

Question 9

Concentrations of solutions can be described by using M——- or P——-

Answer 9

Molarity; percent

Question 10

The known number of molecules in a given solution

Answer 10

Molarity

Question 11

Weight per volume in concentration

Answer 11

Percent

Question 12

When a solute dissolves completely in a solvent

Answer 12

Solution

Question 13

A solution is H———, Clear and T———–, and there is no S——-

Answer 13

homogenous; transparent; settling

Question 14

Clinical conditions such as gout and kidney stones arise as a result of S——– S——–

Answer 14

Saturated solutions

Question 15

In a S——— particles are S——– but not dissolved

Answer 15

Suspension; suspended

Question 16

A suspension is H————, C——, and the particles —— on standing

Answer 16

Heterogeneous, cloudy, settle

Question 17

Two examples of a solution

Answer 17

Saline solution in an IV

Powerade

Question 18

Two examples of a suspension

Answer 18

Whole blood

many antibiotics

Question 19

The scattering of light by colloidal particles or particles in suspension

Answer 19

The Tyndall effect

Question 20

In-between true solutes and suspensions

Answer 20

Colloids

Question 21

Colloids have —– particles, are C—– and the particles DO NO ——. This is because the particles are too —– to pass through the semi-permeable membrane

Answer 21

Large, cloudy, settle, large

Question 22

Two examples of colloids

Answer 22

Milk

Proteins - albumen

Question 23

There are four types of colloid suspension. What are they?

Answer 23

Foam, Emulsions, Sols, Gels

Question 24

Air suspended in liquid

Answer 24

Foam

Question 25

One liquid dispersed in another

Answer 25

Emulsions

Question 26

Solid dispersed in a solid, liquid, or gas

Answer 26

Sols

Question 27

Liquids dispersed in solids

Answer 27

Gels

Question 28

Stabilise an emulsion. Has a polar end and a non-polar end

Answer 28

Emulsifiers

Question 29

An important emulsifier in fat disgestion

Answer 29

Bile salts

Question 30

Two examples of emulsifiers

Answer 30

Soaps and detergents

Mustard in vinaigrette