Chem 101 Test 4

Front 1

Formula for
Celsius to Kelvin

Back 1

c + 273

Front 2

Formula for
grams to moles

Back 2

grams = moles over grams to get moles

Front 3

BOYLES LAW

Back 3

P1V1=PfVf

Front 4

ATM

Back 4

1 atm= 760mmHg= 760 torr

Front 5

mmHg

Back 5

1 atm= 760mmHg= 760 torr

Front 6

torr

Back 6

1 atm= 760mmHg= 760 torr

Front 7

measurable properties of a gas

Back 7

volume, temp, pressure, amount

Front 8

Kinetic molecular theory of gases (model gas behavior)
#1 of 5

Back 8

1.A gas consists of small particles that randomly move w/ rapid velocities (they occupy the space of the container they are in)

Front 9

volume=

Back 9

space occupied by gas
L or mL
(V)

Front 10

temperature=

Back 10

average kinetic energy
Kelvin
(T)

Front 11

amount of gas=

Back 11

quanity
mole
(n)

Front 12

pressure=

Back 12

forces extracted over an area
atm, mmHg, torr
(P)

Front 13

STP

Back 13

Standard tempurature & Pressure
temp: 273K
pressure: 1 atm or 760 mmHg
volume: 1 mole or 22.4 L

Front 14

Ideal Gas Law

Back 14

PV=nRT

Front 15

R=

Back 15

62.4 L X mmHg over mole X K

0.0821 L X atm over mole X K

Front 16

AVAGRADES LAW

Back 16

V1 over n1 = V2 over n2

Front 17

DALTONS LAW
(PARTIAL PRESSURES)

Back 17

P TOTAL = P1 + P2 +P3...

Front 18

CHARLES LAW

Back 18

V2= V1 x T2 over T1

Front 19

COMBINED GAS LAW

Back 19

V2= V1 x P1 over P2 x T2 over T1

Front 20

GAY-LUSSAC'S LAW

Back 20

P2= P1 x T2 over T1

Front 21

MODEL GAS BEHAVIOR
"KINETIC MOLECULAR THEORY OF GASES"
#2 OF 5

Back 21

The attractive forces between particles of gas can be neglected

Front 22

MODEL GAS BEHAVIOR
"KINETIC MOLECULAR THEORY OF GASES"
#3 OF 5

Back 22

The actual volume occupied by gas molecules is extremely small compared to the volume that the gas occupies.

Front 23

MODEL GAS BEHAVIOR
"KINETIC MOLECULAR THEORY OF GASES"
#4 OF 5

Back 23

The average kinetic energy (temp) of gas molecules is proportionate to the Kelvin tempurature
(add energy and the temp increases)

Front 24

MODEL GAS BEHAVIOR
"KINETIC MOLECULAR THEORY OF GASES"
#5 OF 5

Back 24

Gas particles are in constant motion, moving rapidly in straight paths

Front 25

SOLUTE

Back 25

Substance dissolved in another substance

Front 26

SOLVENT

Back 26

Substance in which another substance is dissolved

Front 27

FILTER

Back 27

porous material through which a liquid or gas is passed in order to seperate the fluid from suspended particulate matter

Front 28

SEMIPERMEABLE MEMBRANE

Back 28

membrane that permits the passage of certain substances while blocking or retaining others

Front 29

SOLUTION

Back 29

homogeneous mixture in which the solute is made up of small particles ( like ions or molecules) that can pass through both filters and semipermeable membranes
PARTICLE TYPE= SMALL
SETTLING= NO
SEPERATION= NO

Front 30

COLLOIDS

Back 30

Homogeneous mixture that has particles that are moderately large. Can pass through filters but not semipermeable membranes.
PARTICLE TYPE= LARGE
SETTLING= NO
SPERATION= SEMIPERMEABLE MEMBRANE ONLY

Front 31

SUSPENSION

Back 31

A mixture in which the solute particles are large enough and heavy enough to settle out of solution and can be retained by both filters and semipermeable membranes
PARTICLE TYPE= VERY LARGE/ VISIBLE
PARTICLE SETTLING= YES
SEPERATION= BOTH

Front 32

GASES AS SOLUTIONS

Back 32

FORM EASILY BECAUSE MOLECULES ARE FAR APART

Front 33

LIQUIDS AND SOLIDS AS SOLUTIONS

Back 33

HAVE TO HAVE INTERMOLECULAR ATTRACTION OR THEY WON'T MIX

Front 34

ELECTROLYTE

Back 34

Substance that produces ions when dissolves in water; conduct e-
"STRONG" dissociates completely; conducts e-
"WEAK" dissociates partially (molecules & ions) poor conductors of e-

Front 35

NONELECTROLYTE

Back 35

Solute that dissolves as wholes molecules (no ions)

Front 36

SOLUBILITY

Back 36

The maximum amount of a solute that can dissolve in exactly 110g of a solvent at a given tempurature

Front 37

WHAT FACTORYS AFFECT SOLUBILTY?

Back 37

1. POLARITY (solute/solvent)
2. TEMPURATURE
3. PRESSURE (gas solute/ liquid solvent)

Front 38

Polarity as a factor affecting solubility

Back 38

ionic and polar compounds are polar solvents

nonpolar covelants are nonpolar covelant solvents

Front 39

Tempurature as a factor affecting solubility

Back 39

solid solute/ liquid solvent:
--increase temp. and increase solubility
Gas solute/ liquid solvent:
--decrease temp and increase solubility

Front 40

Pressure as a factor affecting solubility
(HENRY'S LAW)

Back 40

Gas solute / liquid solvent:
Solubility of a gas in a liquid is directly related to the pressure of that gas above the liquid
--Inrease pressure and increase solubility

Front 41

SOLUABLE SALTS

Back 41

salt that dissolves in water as a solvent

Front 42

INSOLUABLE SALTS

Back 42

salt that does not dissolve in water as a solvent

Front 43

CONCENTRATION

Back 43

the measure of the amount of solute that is dissolved in a specific amount of solvent

Front 44

UNSATURATED SOLUTION

Back 44

A solution that contains less than the max. of solute that can be dissolved

Front 45

SATURATED SOLUTIONS

Back 45

a solution that contains the max. amount of solute that can be dissolves (at any given temp.)
Excess stays as a solute

Front 46

Formula for solubility

Back 46

Solubility= grams of solute over 100 grams of H2O

Front 47

Concentrated

Back 47

lots of solute per amount of solution

Front 48

Diluted

Back 48

small amount of solute per amount of solution

Front 49

Dilution

Back 49

process by which water is added to a solution to increase the volume & decrease the concentration