genchem midterm examz

Question 1

the particle of this matter has complete freedom of motion

Answer 1

gas

Question 2

it is the fundamental difference of particles between the state of matter

Answer 2

distance

Question 3

their particles are closer together so it is referred as condensed phases

Answer 3

solid and liquid

Question 4

the particle of this matter is free to move relative to each other

Answer 4

liquid

Question 5

what is the density of liquid

Answer 5

high

Question 6

this matter assumes the shape of the container it occupies

Answer 6

liquid

Question 7

when the kinetic energy increases, the intermolecular attraction

Answer 7

decreases

Question 8

what is the diffusibility of solid

Answer 8

extremely slow

Question 9

force of attractions between an instantaneous dipole and an induced dipole

Answer 9

london dispersion forces

Question 10

the tendency of an electron cloud to distort

Answer 10

polarizability

Question 11

in this force, molecules that have permanent dipoles are attracted to each other

Answer 11

dipole-dipole interactions

Question 12

these forces are present in all molecules, whether they are polar or nonpolar

Answer 12

london dispersion forces

Question 13

these forces are only important when the molecules are close to each other

Answer 13

dipole-dipole interaction

Question 14

the bonding of electrons shared unequally between atoms

Answer 14

polar covalent bond

Question 15

the strength of these forces are what makes it possible for ionic substances to dissolve in polar solvents

Answer 15

ion-dipole interactions

Question 16

the force when hydrogen is bonded to one of those very electronegative elements

Answer 16

hydrogen bonding

Question 17

TRUE OR FALSE: The normal boiling point is the temperature at which its vapor pressure is 750 torr

Answer 17

False

Question 18

TRUE OR FALSE: As pressure increases, the solubility of gas in liquid increases

Answer 18

True

Question 19

True or False: Aqueous solutions are solutions in which water is the solvent

Answer 19

True

Question 20

True or False: Vapor substances are substances that evaporate easily

Answer 20

False

Question 21

true or false: When the solute is non polar and the solvent is polar, then it is soluble/miscible

Answer 21

False

Question 22

true or false: stirring increases solubility of solids in liquids

Answer 22

true

Question 23

when the solvent is liquid and the solute is solid, the final state will be solid

Answer 23

false

Question 24

it is an endothermic reaction when the solubility decreases with an increase in temperature

Answer 24

false

Question 25

it is insoluble if the solute is greater than or equal to 10g dissolves in 100g of solvent

Answer 25

false