Ch. 3

Question 1

Hydrogen bonds holding water molecules together is called

Answer 1

Cohesion

Question 2

Attraction between different substances

Answer 2

Adhesion

Question 3

The measure of how hard it is to break the surface of a liquid

Answer 3

Surface tension

Question 4

The amount of heat that must be absorbed or lost for 1g of that substance to change its temperature by 1*C

Answer 4

Specific heat

Question 5

As a liquid evaporates, its remaining surface cools

Answer 5

Evaporative cooling

Question 6

A stable suspension of fine particles in a liquid

Answer 6

Colloid

Question 7

Moles of solute per liter of solution

Answer 7

Molarity

Question 8

1 mole of daltons=

Answer 8

1g

Question 9

Substances that minimize changes in concentrations of H+ and OH- in a solution

Answer 9

Buffers

Question 10

Four of water’s properties that facilitate an environment for life are

Answer 10

Cohesive behavior
Ability to moderate temperature
Expansion upon freezing
Versatility as a solvent