Lesson 1.3

Question 1

IMFA are _related to the surface tension, viscosity, and vapor pressure
Strong MFA=low vapor pressure

Answer 1

Directly

Question 2

tendency of a fluid to acquire the least possible surface area

Answer 2

Surface tension

Question 3

a phenomenon in which liquids rise spontaneously in a capillary tube

Answer 3

capillary action

Question 4

attraction between like
molecules

Answer 4

Cohesion

Question 5

attraction between unlike molecules

Answer 5

adhesion

Question 6

adhesive>cohesive

Answer 6

concave

Question 7

measure of a fluid’s resistance to flow

Answer 7

Viscosity

Question 8

Vaporizaton
Enthalpy of vaporization

Answer 8

i temp
i surface area
d IMFA

Question 9

pressure exerted by a vapor in equilibrium with its liquid phase in a
closed system

Answer 9

Vapor pressure

Question 10

refers to the ability of a substance to dissolve in a given amount of solvent at a
specified temperature.

Answer 10

Solubility

Question 11

If two liquids dissolve or mix together, they are called

Answer 11

Miscible liquids

Question 12

If two liquids do not dissolve or mix together, they are called

Answer 12

Immiscible liquid

Question 13

Substances or molecules that form interactions with water

Dipole hbond

Answer 13

hydrophilic.

Question 14

substances or molecules that repel water
Ldf

Answer 14

hydrophobic.

Question 15

both hydrophilic and hydrophobic regions

Answer 15

amphipathic

Question 16

Polar d h
Non ldf

Question 17

The temperature at which the vapor pressure is 1
atm
Liquid to gas

Answer 17

normal boiling point