Kinetic Molecular Theory (chapter 1)

Question 1

Homogeneous part of a system in contact with other parts of the system, but separated from these other parts by well-defined boundaries.

Answer 1

Phase

Question 2

Holds atoms together in a molecule.

Answer 2

Intramolecular forces

Question 3

cation + anion

Answer 3

Ionic

Question 4

Sharing of valence electrons.

Answer 4

Covalent

Question 5

Attractive forces between molecules.

Answer 5

Intermolecular forces

Question 6

(+)(+) and (-)(-)

Answer 6

Nonpolar covalent bond

Question 7

Nonpolar covalent bond is ___ arranged.

Answer 7

symmetrically

Question 8

Type of chemical bond where 2 atoms share a pair of electron with each other.

Answer 8

Nonpolar covalent bond

Question 9

Unequally shared between atoms.

Answer 9

Polar covalent bond

Question 10

(+)(-)

Answer 10

Polar covalent bond

Question 11

Occur due to the unequal sharing of electrons.

Answer 11

Molecular dipole (dipole)

Question 12

Kinetic Molecular Theory (DACS)

Answer 12

Differ in distances between particles
All matter is made of tiny particles
Particles are in constant motion
Speed is proportional to temperature

Question 13

2 in condensed state

Answer 13

solids and liquids

Question 14

little space

Answer 14

liquid

Question 15

much more difficult to compress

Answer 15

liquid

Question 16

much dense

Answer 16

liquid

Question 17

held tightly

Answer 17

solid

Question 18

no freedom of motion

Answer 18

solid

Question 19

even less empty space

Answer 19

solid

Question 20

almost incompressible

Answer 20

solid

Question 21

increase in temperature results in?

Answer 21

increased kinetic energy of gases dissolved in liquids

Question 22

increased motion enables?

Answer 22

dissolved gas

Question 23

indicators of strength of IMF

Answer 23

boiling point and melting point

Question 24

solid indicator

Answer 24

melting point

Question 25

liquid indicator

Answer 25

boiling point

Question 26

holds particles together

Answer 26

Intermolecular forces of attraction

Question 27

attractive forces that holds matter

Answer 27

Intermolecular forces of attraction

Question 28

increase in energy equals?

Answer 28

increase in IMF

Question 29

3 Types of IMF of attraction

Answer 29

1. Hydrogen bond 2. Dipole-dipole forces 3. London dispersion forces

Question 30

solid at room temperature

Answer 30

Hydrogen bond

Question 31

When H is attracted to electronegative atom such as fluorine, oxygen, and nitrogen.

Answer 31

Hydrogen bond

Question 32

strongest bond

Answer 32

Hydrogen bond

Question 33

It is responsible for high boiling point and the crystallization structure.

Answer 33

Hydrogen bond

Question 34

Examples of H bond?

Answer 34

H2O, NH3, HF

Question 35

oppositely charged region

Answer 35

Dipole-dipole forces

Question 36

liquid at room temperature

Answer 36

Dipole-dipole forces

Question 37

polar molecules

Answer 37

Dipole-dipole forces

Question 38

It is stronger than dispersion forces bc polar molecules have a permanent uneven distribution of electrons.

Answer 38

Dipole-dipole forces

Question 39

This is a result from temporary dipole moments.

Answer 39

London dispersion forces

Question 40

nonpolar

Answer 40

London dispersion forces

Question 41

gas at room temperature

Answer 41

London dispersion forces

Question 42

weakest force

Answer 42

London dispersion forces

Question 43

uneven distribution causes?

Answer 43

momentary charge separations

Question 44

ease with which electron distribution can be distorted

Answer 44

polarizability

Question 45

Extent to which a dipole moment can be induced in a molecule.

Answer 45

polarizability

Question 46

Relative tendency of a charge distribution

Answer 46

polarizability