Shared Flashcard Set

Details

AP Chem review for test
Solubility rules, Structures, colors, reaction rules
119
Chemistry
11th Grade
04/30/2011

Additional Chemistry Flashcards

 


 

Cards

Term
Cr l Cr3+ ll NO3- l NO l H+ l Pt is read how?
Definition

The two redox half reactions are taking place as follows:

 

Cr --> Cr3+ + 3e-

3e- + 4H+ + NO3- --> NO + 2H2O

Term
anode is oxidation or reduction?
Definition
oxidation - Anode and Oxidation, vowels go with vowels
Term
cathode is oxidation or reduction?
Definition
reduction - Cathode and Reduction, consonants go with each other
Term
for ΔS, does a negative or positive sign tend toward order?
Definition
negative
Term

covalently bonded oxides bubbled into water make?

(SO2 + H2O --> ?)

Definition

acids

(H2SO3)

Term

Ionically bonded oxides bubbled into water form what?

(CaO + H2O --> ?)

Definition

bases

(Ca(OH)2)

Term
a -ΔH means that the reaction is ____thermic and that heat is a ____________ in the equation
Definition

exothermic, and product

(a negative relationship produces an ex)

Term
a polyatomic with 2 or more O for each H is a (strong/weak) acid?
Definition
strong
Term
an acid with any halogen but F makes a (strong/weak) acid.
Definition
strong
Term
HF is a (strong/weak) acid
Definition
weak
Term
an acid with carbon is (strong/weak)
Definition
weak
Term

an acid with a difference of 1 between H and O is (strong/weak)

(ex: H2SO3)

Definition
weak
Term

group I and II elements + OH- make ____ bases

(Ca(OH)2)

Definition
strong
Term
a base with a transition metal in it makes a ______ base
Definition
weak
Term

a base with N & H together is _______

(NH3)

Definition
weak
Term
amphoteric/amphiprotic
Definition

could act as an acid or a base

(ex: HPO42-)

Term
Le Chatelier's principle
Definition

when something is introduced into a system, the reaction proceeds to use that something up

 

can be used to explain the effect that temperature, concentration, or pressure changes have on a reaction

Term
equilibrium is a(n) ____________ step
Definition
elementary
Term
Intermediate
Definition

produced and used up in a mechanism

 

can't be used in rate law

Term
catalyst
Definition
product and reactant, used to speed up a reaction
Term
clausius-clapyeron equation
Definition

ln(P1/P2) = (-ΔHvap/R)((1/T2)-(1/T1))

ln(k1/k2) = (-Ea/R)((1/T2)-(1/T1))

 

R=8.31 J/molxK

Term
integrated rate laws
Definition

zero order: [A] = -kt+[A]o

first order: ln[A] = -kt+ln[A]o

second order: 1/[A]=kt+(1/[A]o)

Term
half-life equations
Definition

zero order: [A]o/2k

first order: .693/k

second order: 1/[A]ok

Term
what 4 things speed up a reaction?
Definition
addition of a catalyst, or the increase of heat, surface area, and concentration
Term
osmotic pressure
Definition
in the case of two solutions of different concentrations separated by a semi-permeable membrane, it is the pressure of water on the membrane to equalize the concentrations
Term
strong electrolyte
Definition
completely dissolves in water
Term
weak electrolyte
Definition
partially dissociates in water
Term
i
Definition
van't hoff factor, measures the ions produced - reactant ions
Term
when ions are added, vapor pressure is __________, and the equation for the new vapor pressure is ___________
Definition

lowered

Psoln=(mols of solvent/(mols solvent + (mols solute x i)))(Psolvent)

Term
when ions are added to a solution, the boiling point is __________
Definition
elevated
Term
When ions are added to a solution, the freezing point is ___________
Definition
lowered
Term
when ions are added to a solution, osmotic pressure is _________________
Definition
elevated
Term
bond order
Definition
(bonding e- - antibonding e-)/2
Term
bond energy
Definition

goes down as radius goes up

low bond length means high BE

triple>double>single

BERP -> Bond Energy = Reactants - Products

Term
formal charge
Definition

0 is ideal

if not ^, then most electronegative is -, while least is +

each atom gets 2 per lone pair, and 1 per bond

valence electrons - electrons controlled in the molecule

ex: CF4 - each bond is :::F-C

F: 7-7=0

C: 4-4=0

0(1) + 0(4)=0

Term
expanded octet
Definition

large radii, low electronegativity, low zeff

ex: Xe, Kr, I, Br, S, Se, P

Term
incomplete octet
Definition
Be (4 valence e-), B (6 valence e-)
Term
quantum numbers
Definition

n - period # for s & p orbitals, period-1 for d, -2 for f

l - orbital, s=0, p=1, d=2, f=3

m - can be any number between -l and l (pick 0 to be safe)

s - can be 1/2 or -1/2, doesn't matter which

Term
Heisenberg uncertainty principle
Definition
the more we know about where a particle is right now, the less we know about how fast it's going and the direction that it's going, and vice versa
Term
Aufbau principle
Definition

must fill to next level before jumping to n=1

(all of 2s and 2p must be filled before going to 3s)

Term
Hund's rule
Definition

place 1 e- in each orbital before doubling up

(this creates magnetic field in molecules with any unfilled orbitals)

Term
isotope, isoelectronic, isomer
Definition

isotope - same protons, different neutrons

isoelectronic - different elements, same e-

isomer - same formula, different structure

Term
organic naming - single/double/triple bonds and 1-8 carbons in backbone
Definition

-ane -> only single bonds in backbone

-ene -> has a double bond in backbone

-yne -> has a triple bond in backbone

 

meth- one

eth- two

prop - three

but - four

pent - five

hex - six

hept - seven

oct - eight

Term
hydrogen bonds
Definition

when hydrogen bonds to N,O,F

only in a polar molecule

form of IMF

Term
network covalent
Definition

strongest type of bond

Si forms a network covalent

Term
AX2
Definition
linear, 180o
Term
AX3
Definition
trigonal planar, 120o
Term
AX2E
Definition
bent, 120o
Term
AX4
Definition
tetrahedral, 109.5o
Term
AX3E
Definition
trigonal pyramidal, 109.5o
Term
AX2E2
Definition
bent, 109.5o
Term
AX5
Definition
trigonal bipyramidal, 90o, 120o
Term
AX4E
Definition
seesaw, 180o, 120o
Term
AX3E2
Definition
T-Shape, 180o, 90o
Term
AX2E3
Definition
linear, 180o
Term
AX6
Definition
octahedral, 90o
Term
AX5E
Definition
square pyramidal, 90o
Term
AX4E2
Definition
square planar, 90o
Term
AX7
Definition
pentagonal bipyramidal, 90o, 72o
Term
alcohol
Definition
-anol, OH is bonded to an outer backbone carbon
Term
aldehyde
Definition
-anal, O is double bonded to an outer backbone carbon
Term
ketone
Definition
-anone, O is double bonded to an inner backbone carbon
Term
carboxylic acid
Definition
-anoic acid, O double bonded and OH bonded to the same end backbone carbon, called carboxyl group
Term
oxidation numbers
Definition

element is 0

Monatomic ion is same as charge

F = -1

O = -2, except in peroxides = -1

H = +1

Term
state change ΔG=?
Definition
ΔG=0
Term

colors:

Cr

MnO4-

Fe

Co

Ni

Cu

Pb as solid

Definition

Cr - orangeish

MnO4- - purple

Fe - orange

Co - pink

Ni - green

Cu - blue

Pb as solid - yellow

Term
MnO4- reduced in acidic produces _________
Definition
Mn2+
Term
MnO2 reduced in acidic produces _________
Definition
Mn2+
Term
MnO4- reduced in neutral/basic produces _________
Definition
MnO2(s)
Term
Cr2O72- reduced in acidic produces _________
Definition
Cr3+
Term
concentrated HNO3 reduced produces _________
Definition
NO2
Term
dilute HNO3 reduced produces _________
Definition
NO
Term
hot, concentrated H2SO4 reduced produces _________
Definition
SO2
Term

metal-ic ions reduced produces _____________

(Fe3+)

Definition

metal-ous ions

(Fe2+)

Term

Free halogens reduced produces ______________

(I2)

Definition

halide ions

(I-)

Term
Na2O2 reduced produces _____________
Definition
NaOH
Term
HClO4 reduced produces _________
Definition
Cl-
Term
H2O2 reduced produces _________
Definition
H2O
Term
C2O42- oxidized produces _________
Definition
CO2
Term

Halide ions oxidized produces _________

(I-)

Definition

free halogens

(I2)

Term

free metals oxidized produces _________

(Fe)

Definition

metal ions

(Fe2+)

Term
SO3- or SO2 oxidized produces _________
Definition
SO4-
Term
NO2- oxidized produces _________
Definition
NO3-
Term
free halogens oxidized in a dilute, basic soln produces _________
Definition

hypohalite ions

 

Term
free halogens oxidized in a concentrated basic soln produces _________
Definition
halate ions
Term

metal-ous ions oxidized produces _________

(Fe2+)

Definition

metal-ic ions

(Fe3+)

Term
H2O2 oxidized produces _________
Definition
O2
Term

Lewis Acid/Base combination

(BF3 + NH3 --> ?)

Definition

addition

(BF3NH3)

Term

metallic oxides + P4O10 --> ?

(CaO + P4O10 --> ?)

Definition

metallic phosphates

(Ca3(PO4)2)

Term

metallic oxides + CO2 --> ?

(CaO + CO2 --> ?)

Definition

metallic carbonates

(CaCO3)

Term

metallic oxides + SO3 --> ?

(CaO + SO3 --> ?)

Definition

metallic sulfates

(CaSO4)

Term

metals + gases --> ?

(Na + O2 --> ?)

Definition

ionic crystals

(Na2O)

Term

metallic oxides + SO2 --> ?

(CaO + SO2 --> ?)

Definition

metallic sulfites

(CaSO3)

Term
H2O2--> ?
Definition
O2 + 2 H2O
Term

metallic carbonates --> ?

(CaCO3 --> ?)

Definition

metallic oxides + CO2

(CaO + CO2)

Term

metallic chlorates --> ?

(NaClO3)

Definition

metallic chlorides + O2

(NaCl + O2)

Term
NH3 + limited O2 --> ?
Definition
NO + H2O
Term
NH3 + excess O2 --> ?
Definition
NO2 + H2O
Term

metallic sulfides + O2 --> ?

(CaS + O2 --> ?)

Definition

metallic oxide + SO2

(CaO + SO2)

Term
Ideal behavior is when pressure is _______ and temperature is ________ because ________________
Definition
low pressure, high temperature, because particles don't come close enough for IMFs to form
Term
Eocell = ?
Definition
Eoreduction - Eooxidation
Term
voltaic/galvanic cell means ________________
Definition
spontaneous
Term
electrolytic cell means __________________
Definition
nonspontaneous
Term
concentration in a saturated solution is ________________
Definition
independent of volume
Term
solubility: NO3-
Definition
all nitrates are soluble
Term
solubility: C2H3O2-
Definition
all acetates are soluble except AgC2H3O2
Term
solubility: ClO3-
Definition
All Chlorates are soluble
Term
solubility: Cl-
Definition
all Chlorides are soluble except AgCl, Hg2Cl2, and PbCl2
Term
solubility: Br-
Definition
all bromides are soluble except AgBr, PbBr2, Hg2Br2, and HgBr2
Term
solubility: I-
Definition
all iodides are soluble except AgI, Hg2I2, HgI2, and PbI2
Term
solubility SO42-
Definition
all sulfates are soluble except BaSO4, PbSO4, Hg2SO4, CaSO4, Ag2SO4, and SrSO4,
Term
solubility group IA elements and NH4+
Definition
all are soluble
Term
solubility CO32-
Definition
all carbonates are insoluble except those of the IA elements and NH4+
Term
solubility CrO42-
Definition
all chromates are insoluble except those of the IA elements, NH4+, CaCrO4, and SrCrO4
Term
solubility OH-
Definition
all hydroxides are insoluble except those of the IA elements, NH4+, Ba(OH)2, Sr(OH)2, and Ca(OH)2
Term
solubility PO43-
Definition
all phosphates are insoluble except those of the IA elements and NH4+
Term
solubility SO32-
Definition
All sulfites are insoluble except those of the IA elements and NH4+
Term
Solubility S2-
Definition
all sulfides are insoluble except those of the IA and IIA elements and NH4+
Term
end point of a titration
Definition
the point in a titration at which the indicator undergoes it's color change
Supporting users have an ad free experience!