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Flashcards in Solutions Conceptual Info Deck (21):
1

What shape does water have

Bent

2

What bond angle does water have

104.5

3

What’s the most electronegative atom in water

Oxygen

4

What allows liquids to bead up or from droplets

Surface tension

5

What substance interferes with hydrogen bonding and thus reduces surface tention

Surfactant

6

Water has an unusually low...

Vapor pressure

7

Water has a very high...

Bliling point

8

Why does ice float?

hydrogen bonds move apart and are less dense

9

Substances that conduct electricity when melted or dissolved in water are called

Electrolytes

10

When water molecules are bonded into crystal structure

Hydrates

11

Compounds that lose hydrated waters when left in atmosphere (higher vapor pressure in compound than in the air

Efflorescent

12

Compounds that gain hydrated waters when left in atmosphere (lower vapor pressure in compound than in the air)

Hygroscopic compounds
Desiccants or drying agents

13

Coumpiunds that pull so much water from atmosphere that they dissolve themselves

Deliquescent

14

Size of solution

.1-1.0nm

15

Size of a colloid

1-1000nm

16

Suspension particle size

1000nm or larger

17

Which division of separation exhibits the Tyndall effect?

Colloid and suspension (last scatters particles)

18

What is the brownian effect

Colloids are sen to move about erratically when viewed under a microscope

19

Emulsion define

A colloidal dispersion of a liquid in a liquid; allows polar and no polar molecules to mix

Soap

20

Factors that determine rate of dissolution

Agitation
Temperature
Particle size

21

Henry’s law?

S1/P1=S2/P2