Properties Of Liquids And IMF

Question 1

give rise to a number of structural features and properties of liquids.

Answer 1

IMF

Question 2

Properties of liquid

Answer 2

Surface tension
Viscosity
Solubility

Question 3

Amount of energy required to stretch or increase the surface of the liquid by a unit area.

Answer 3

Surface tension

Question 4

Attraction between like molecules

Answer 4

Cohesion

Question 5

Attraction between unlike molecules

Answer 5

Adhesion

Question 6

is the liquid’s resistance to flow

Answer 6

Viscosity

Question 7

The _____ the IMF, the ______ the viscosity

Answer 7

Higher, higher

Question 8

have much higher viscosity than any other liquids because of its structure.

Answer 8

Glycerol/glycerin

Question 9

It is the pressure exerted by a vapor with its condensed phases. It is expressed in pressure units, atm.

Answer 9

Vapor pressure

Question 10

All liquids exert a vapor pressure with or without heat.

Answer 10

True

Question 11

All liquids exert a vapor pressure only without heat.

Answer 11

False

Question 12

The _____ the IMF, the _____ the vapor pressure of a liquid at a given temperature.

Answer 12

Stronger, lower

Question 13

is the tendency of a substance to vaporize.

Answer 13

Volatility

Question 14

tend to vaporize more easily.

Answer 14

Volatile liquids

Question 15

The _______ the volatility, the _______ is the vapor pressure.

Answer 15

Higher/lower, higher/lower

Question 16

The _______ is the strength of the IMF that exists in the liquid, the ______ the molar heat of vaporization.

Answer 16

Greater, higher

Question 17

is the temperature at with the substance boil at an external temperature of 1 atm or 760 mmHg.

Answer 17

Normal boiling point

Question 18

changefrom one state (solid or liquid or gas) to another without achangein chemical composition.

Answer 18

Phase change

Question 19

Occurs when energy is either added or removed from a substance.

Answer 19

Phase change

Question 20

energy required to raise the temperature of water to 1 degree Celsius.

Answer 20

Specific heat capacity