GEN CHEM FINALS

Question 1

occurs when a non-volatile solute is added to a solvent, reducing the solvents ability to evaporate

Answer 1

VAPOR PRESSURE LOWERING

Question 2

occurs when a non-volatile solute is added to a solvent,increasng the temp needed to boil

Answer 2

BOILING POINT ELEVATION

Question 3

Occurs when a non-volatile solute is added to a solvent, lowering the temperature at which the solution freezes.

Answer 3

Freezing point depression

Question 4

OSMOSIS MOVEMENT

Answer 4

LOW CONTENTRATION TO HIGH CONCENTRATION

Question 5

how osmosis is passing

Answer 5

SEMIPERMEABLE MEMBRANE

Question 6

when energy is entering

Answer 6

POSITIVE

Question 7

when energy is leaving

Answer 7

NEGATIVE

Question 8

positive

Answer 8

ENDOTHERMIC

Question 9

negative

Answer 9

EXOTHERMIC

Question 10

absorbed by the system

Answer 10

HEAT

Question 11

denotation of heat

Answer 11

Q

Question 12

done on the system

Answer 12

WORK

Question 13

unit of first law of thermodynamics

Answer 13

J

Question 14

heat is absorbed

Answer 14

POSITIVE

Question 15

heat is given off by the system

Answer 15

NEGATIVE

Question 16

work DONE ON the system

Answer 16

POSITIVE

Question 17

work DONE By the system

Answer 17

NEGATIVE

Question 18

Lose

Answer 18

NEGATIVE

Question 19

gain

Answer 19

POSITIVE

Question 20

thermodynamics formula

Answer 20

E = Q + W

Question 21

Thermochemical equations unit

Answer 21

KJ

Question 22

thermochemical equation formula

Answer 22

GIVEN MASS X 1 MOL/ MOLAR MASS X H/ NO OF COEFFICIENT

Question 23

caloriemetry we convert?

Answer 23

J TO KJ

Question 24

how to j to KJ

Answer 24

DIVIDE BY 1000

Question 25

caloriemetry formula

Answer 25

Q=MS TRIANGLE T

Question 26

the physical changes that result from adding solute to the solvent that depend on how many solute and solvent particles are present and depend on the type of solvent

Answer 26

COLLIGATIVE PROPERTIES

Question 27

the partial pressure exerted by any component of an ideal solution is equal to the vapor ressure of the pure component multiplied by the mole fraction in the solution

Answer 27

RAOULTS LAW

Question 28

allows only solvent molecules to pass through it but prevents passage of big molecules like solute

Answer 28

SEMIPERMEABLE LAW

Question 29

pertains to the process or chemical reaction of interest

Answer 29

SYSTEM

Question 30

outside the system

Answer 30

SURROUNDING

Question 31

system and surrounding make up the

Answer 31

UNIVERSE

Question 32

both matter and energy cannot be exchanged with the surrounding

Answer 32

ISOLATED SYSTEM

Question 33

energy can be exchanged with the surroundings but matter is prevented for exhanhge

Answer 33

CLOSED SYSTEM

Question 34

both matter and energy can be exchanged with the surroundings

Answer 34

OPEN SYSTEM

Question 35

three processes of exothermic

Answer 35

FREEZING CONDENSATION DEPOSITION

Question 36

three processes of endothermic

Answer 36

MELTING VAPORIZATION SUBLIMATION

Question 37

products in EXOTHERMIC must have

Answer 37

LOWER ENERGY THAN REACTANT

Question 38

reactants in endothermic must have ___________

Answer 38

LOWER ENERGY THAN PRODUCT

Question 39

compressed

Answer 39

POSITIVE

Question 40

expnasion

Answer 40

NEGATIVE

Question 41

heat transferred to surroundings

Answer 41

NEGATIVE

Question 42

heta transferred to system

Answer 42

POSITIVE

Question 43

expands

Answer 43

NEGATIVE

Question 44

compress

Answer 44

POSITIVE

Question 45

identifying heat gained by given quantity of substance

Answer 45

THERMOCHEMICAL EQUATION

Question 46

unit of specific heat

Answer 46

j/G celcius

Question 47

UNIT OF H TRIANGLE

Answer 47

kj

Question 48

boiling point water

Answer 48

0.512

Question 49

freezing point water

Answer 49

1.86

Question 50

ideal gas constant

Answer 50

0.0821

Question 51

measurement of heat released and absorbed during chemical or physical process

Answer 51

CALORIEMETRY

Question 52

how much heat is required to raise the temperature of one material

Answer 52

SPECIFIC HEAT