ch 12

Question 1

heat of vaporiztion

Answer 1

aka m * c

Question 2

vapor pressure of a pure liquid increases as the _________ of the liquid phase increases

Answer 2

temperature

Question 3

to go directly from solid to gas, you need to lower _______

Answer 3

pressure

Question 4

simple cubit

Answer 4

1/8 for each corner * 8 corners = 1 atom

Question 5

body centered cubit

Answer 5

(1/8 for each corner * 8 corners) + 1 atom on the inside = 2 atoms

Question 6

face centered cubit

Answer 6

(1/8 for each corner * 8 corners) + (1/2 for each face of the cube * 6 faces) = 4 atoms

Question 7

the ____________ bonds have the highest boiling point, lowest vapor pressure, & highest surface tension

Answer 7

stickiest

Question 8

sticky bonds consist of __-__ bonds

Answer 8

O-H

Question 9

polar bonds are ____ stickier than nonpolar bonds

Answer 9

more

Question 10

when all substances have the same electrostatic qualities, the _____ molecules have the higher boiling point

Answer 10

larger

Question 11

order the nonbonding (intermolecular) forces from weakest to strongest interaction

Answer 11

dispersion (london) forces -> dipole-induced dipole forces -> ion-induce dipole forces -> dipole-dipole -> H bond -> ion-dipole