Exam 1: CH. 12,14 & 15

Question 1

intermolecular force present in all molecules or atoms

Answer 1

Dispersion Force (London)

Question 2

intermolecular force present in polar molecules

Answer 2

Dipole-Dipole

Question 3

intermolecular force present when a hydrogen atom bonds directly to an oxygen, nitrogen or fluorine atom

Answer 3

hydrogen bonding

Question 4

intermolecular forces present in mixtures of ionic compounds and polar compounds

Answer 4

ion-dipole

Question 5

intermolecular forces strongest to weakest

Answer 5

ion-dipole
hydrogen bonding
dipole-dipole
london dispersion

Question 6

What happens to vapor pressure, melting and boiling point of a substance as intermolecular forces get stronger?

Answer 6

Stronger forces raise melting and boiling points, and lower vapor pressure

Question 7

the tendency of liquids to minimize their surface area in order to maximize the interactions between their constituent particles

Answer 7

surface tension

Question 8

the resistance of a liquid to flow

Answer 8

viscosity

Question 9

ability of a liquid to flow against gravity up a narrow tube

Answer 9

capillary action

Question 10

the attraction between molecules and the surface of a tube

Answer 10

adhesive force

Question 11

the attraction between the molecules in a liquid

Answer 11

cohesive force

Question 12

solid to gas

Answer 12

sublimation

Question 13

solid to liquid

Answer 13

melting

Question 14

liquid to gas

Answer 14

vaporization

Question 15

gas to sloid

Answer 15

deposition

Question 16

gas to liquid

Answer 16

condensation

Question 17

liquid to solid

Answer 17

freezing

Question 18

the equation for a heating curve A–>B

Answer 18

q=mc(delta t)

Question 19

the equation of a heating curve for B–>C

Answer 19

q=m(delta)Hfusion

Question 20

the equation of a heating curve for melting (C–>D)

Answer 20

q=mc(delta t)

Question 21

the equation of a heating curve for D–>E

Answer 21

q=m(delta)Hvaporization

Question 22

the equation of a heating curve during vaporization (E–>F)

Answer 22

q=mc(delta t)

Question 23

Clausius–Clapeyron Equation

Answer 23

ln(Pvap)=-(delta)Hvap/RT+ln(B)
ln(P2/P1)=-(delta)Hvap/R(1/T2-1/T1)