midterm

Question 1

is made of particles that are constantly in motion.

Answer 1

matter

Question 2

energy in motion

Answer 2

kinetic energy

Question 3

Increased temperature means

Answer 3

greater speed

Question 4

happen when the temperature of the substance changes sufficiently.

Answer 4

phase change

Question 5

attractive forces in between particles / molecules

Answer 5

intermolecular forces

Question 6

has definite shape and volume.

Answer 6

solid

Question 7

particles are tightly packed

Answer 7

solid

Question 8

Has the greatest force of attraction between particles.

Answer 8

solid

Question 9

Definite volume, no definite shape.

Answer 9

liquid

Question 10

No definite shape or volume.

Answer 10

gas

Question 11

A gaseous state of something that is normally liquid

Answer 11

vapor

Question 12

noted the ideality of real gases and
attributed it to the existence of intermolecular interaction.

Answer 12

Johannes Diderick van Der Waals

Question 13

identify which type of intermolecular force of attraction

Methane and Methane

Answer 13

london dispersion

Question 14

identify which type of intermolecular force of attraction

Mg2+ and H2O

Answer 14

ion-dipole

Question 15

identify which type of intermolecular force of attraction

Cl2 and H2

Answer 15

hydrogen bonding

Question 16

identify which type of intermolecular force of attraction

ammonia

Answer 16

hydrogen bonding

Question 17

identify which type of intermolecular force of attraction

N2O4

Answer 17

london dispersion

Question 18

identify which type of intermolecular force of attraction

salt solution

Answer 18

ion-dipole

Question 19

identify which type of intermolecular force of attraction

silicone tetrafluoride

Answer 19

london dispersion

Question 20

Caused by temporary dipoles due to electron movement.

Answer 20

London dispersion

Question 21

Attraction between positive and negative dipoles of adjacent
molecules.

Answer 21

dipole-dipole

Question 22

Particles are arranged in a highly ordered, repeating pattern.

Answer 22

crystalline solid

Question 23

Sharp melting point due to uniform structure.

Answer 23

crystalline solid

Question 24

it is anisotropic

Answer 24

crystalline solid

Question 25

pseudosolid (super cooled liquids)

Answer 25

amorphous solid

Question 26

high ionization energy

Answer 26

metallic crystals

Question 27

is a homogeneous mixture of two or more substances.

Answer 27

solution

Question 28

Occur in polar molecules.

Answer 28

dipole-dipole

Question 29

Special type of dipole-dipole interaction.

Answer 29

hydrogen bonding

Question 30

Occur between ions and polar molecules.

Answer 30

ion-dipole

Question 31

affect physical properties and solubility.

Answer 31

intermolecular forces

Question 32

Resistance to flow.

Answer 32

viscosity

Question 33

The energy required to increase the surface area of a liquid.

Answer 33

surface tension

Question 34

Results from cohesive forces between molecules.

Answer 34

surface tension

Question 35

The pressure exerted by a liquid’s vapor when in equilibrium.

Answer 35

vapor pressure

Question 36

The temperature at which vapor pressure equals external pressure.

Answer 36

boiling point

Question 37

Affected by altitude

Answer 37

boiling point

Question 38

Particles are arranged in a random, disordered structure.

Answer 38

amorphous solid

Question 39

No definite melting point; they soften over a range of temperatures.

Answer 39

amorphous solid

Question 40

The substance present in the largest amount in a solution

Answer 40

solvent

Question 41

The substance being dissolve

Answer 41

solute

Question 42

dissolving medium

Answer 42

solvent

Question 43

Solution of any substance which the solvent is water.

Answer 43

aqueous solution

Question 44

solution of any substance which the solvent is alcohol

Answer 44

tincture

Question 45

Ability of a solute to be dissolved in solvent.

Answer 45

solubility

Question 46

contains more than the maximum amount of solute dissolve in a given amount of solvent at a certain temperature

Answer 46

supersaturated solution

Question 47

contains less than the maximum amount of solute dissolve in a given amount of solvent at a certain temperature

Answer 47

unsaturated solution

Question 48

contains the maximum amount of solute dissolve in a given amount of solvent at a certain temperature

Answer 48

saturated solution

Question 49

identify if solute or solvent gold in 18k gold

Answer 49

solvent

Question 50

identify if solute or solvent silver in amalgam

Answer 50

solvent

Question 51

identify if solute or solvent propane in cooking gas

Answer 51

solute