Lecture 24: IMF

Question 1

property associated with a

Answer 1

the strength of the attractive forces between gas molecules (more impact than b)

Question 2

property associated with b

Answer 2

the finite volume occupied by the gas molecules themselves

Question 3

ideal conditions

Answer 3

-insignificant volume compared to container
-move randomly and constantly
-collide elastically with walls of container and other gas molecules
-have no intermolecular interactions
-average kinetic energy is proportional to temp

Question 4

a gas’s deviation of PV/RT from 1 is

Answer 4

its deviation from ideality

Question 5

PV bigger than ideal=

Answer 5

deviation due to repulsion between molecules

Question 6

PV is smaller than ideal

Answer 6

deviation due to attraction between gas molecules

Question 7

at what conditions are ideal gas behaviors not observed

Answer 7

high pressure and low temp

Question 8

bigger a and b constants=

Answer 8

less ideal gas conditions

Question 9

5 types of IM forces

Answer 9

1. Ion-Diople
2. Hydrogen Bonding
3. Dipole-Dipole
4. Dipole-Induced Dipole
5. London Dispersion Forces

Question 10

temporary dipole

Answer 10

temporary separation of charge in an atom of molecule produced by momentary uneven distribution of electrons

Question 11

polarizability

Answer 11

relative ease with which the electron cloud in a molecule, ion, or atom can be distorted, inducing a temporary dipole

Question 12

larger atoms = ? IM forces

Answer 12

larger

Question 13

flat molecules (greater surface area) = ? IM forces

Answer 13

greater

Question 14

LD forces are between

Answer 14

all molecules

Question 15

Dipole-Induced Dipole forces are between

Answer 15

polar + non polar molecules

Question 16

Dipole Dipole are between

Answer 16

polar molecules

Question 17

H Bonding is between

Answer 17

an H (bonded to and N O F) and an N O F in another molecule

Question 18

Ion Dipole is between

Answer 18

Ions and Polar Molecules

Question 19

strength of Ion-Dipole bond depends on

Answer 19

ion charge and size

Question 20

Ion-Ion are between

Answer 20

Ions