Molecules
Gas Laws
Liquids
Phase
Changes
Acids/
Bases
Acids/
Bases
$200
$200
$200
$200
$200
$200
$400
$400
$400
$400
$400
$400
$600
$600
$600
$600
$600
$600
$800
$800
$800
$800
$800
$800
$1000
$1000
$1000
$1000
$1000
$1000
Titrations
Thermoche
mistry
Rates
Equilibrium
Redox
Potpouri
$400
$400
$400
$400
$400
$400
$800
$800
$800
$800
$800
$800
$1200
$1200
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$1200
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$1200
$1600
$1600
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$2000
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Final Jeopardy
Freezing Point
Depression
Final Jeopardy
25g/58.5g/mol = .43 mol
.43 mol/.250Kg = 1.7 m
∆T = 1.86oC/m x 1.7m x (2) = -6.3oC
What is the freezing point of a
solution made by dissolving 25
grams of NaCl in 250 mL of water?
$200
Kinetic Molecular Theory
This theory discusses the
movement of molecules in
their various states
$400
Boyles Law
The pressure and volume of a
gas are inversely related
$600
The atmosphere
What is the SI unit for
pressure?
$800
The pressure will also increase
Gay-Lussac would say as the
temperature of a gas increases
at constant volume
$1000
Combined Gas Law
PV = PV
T
T
$200
Evaporation
Process by which liquids
change into a gas
$400
Sublimation
Phase change from a solid
directly to a liquid
$600
Gas
In which state do the
molecules have the greatest
kinetic energy?
$800
Temperature remains constant
What happens to temperature
during a phase change
$1000
Triple Point
Point at which all three states
of matter can co-exist
$200
Sand
Sand, alloys, soda, which is
not homogeneous?
$400
Electrolyte
A solution capable of
conducting electricity
$600
Compounds that are similar chemically
dissolve other compounds that are alike
What does “likes dissolve
likes” refer to?
$800
2 Molar
4 moles of a solute is
dissolved in 2 Liters of
solution, what is the Molarity
$1000
PbCl2  Pb2+(aq) + 2 Cl-(aq)
Write the equation for the
dissolution of PbCl2(s) in
water
$200
supersaturated
A solution in which no more
solute can be dissolved
$400
FP depression and BP elevation
Name two colligative
properties
$600
Change in temp., molal constant, molality
Using the equation ΔT = kf x m
Explain the symbols
$800
1 molal NaCl b/c it is an electrolyte and
gives you two particles per mole
Which would boil at a higher
temperature and why?
1 molal glucose or 1 molal
NaCl
$1000
5 M, (.5 moles/.100L)
Math Question: What is the
molarity of 20 grams of
NaOH dissolved in 100 mL
of water
$200
Base
pH greater than 7
$400
Acid
+
[H ]
>
[OH ]
$600
pH = - log [H+]
What does pH equal
$800
Sulfuric Acid
What is the name of H2SO4
$1000
1 x 10-7
Math Question: If pH = 7, then
what is the [OH-]
$200
Arrhenius Definition
OH
Bases produce
in water
solutions
$400
Whose definiton states
that Acids are proton donors
$600
8.7
What is pOH if pH = 5.3
$800
pH = 10
+
[H ]
=1x
-10
10
What is the pH?
$1000
pH = 9
[H+] = 1 x 10-9 so pH = 9
-5
If [OH ] = 1 x 10
What is the pH?
$400
Temperature
Average kinetic energy of the
molecules =
$800
Specific Heat
Amount of heat required to
raise 1 gram of a substance
o
1C
$1200
Is equal to heat lost by the material
In calorimetry experiments
the heat gained by water
$1600
J = 25g x 8 oC x 4.18 J/goC
How much heat is required to
raise 25 grams of water from
22oC to 30oC?
Specific Heat of water = 4.18
J/goC
$2000
Products should be higher than reactants
Come to the board and draw a
reaction that is endothermic
$400
Low energy and high entropy
In nature reactions tend to go
towards what 2 directions?
$800
Randomness or disorder
What does entropy mean?
$1200
Reaction mechanism
A multistep process for a
chemical reaction is called
$1600
Activation energy
The energy hump a reaction
needs to overcome is called
$2000
Temperature, surface area, catalyst, nature
of reactants
Name three (3) factors that
affect reaction rate.
$400
Rate of the Forward reaction equals the rate
of the reverse reaction
Define chemical equilibrium
$800
Ka = [CH3COO-] [H3O+]
[CH3COOH]
Write the equilibrium expression
for the following;
CH3COOH(aq) + H2O(l) CH3COO-(aq) + H3O(aq)
$1200
A large Ka value
A strong acid will have what
kind of value for it’s Ka ?
$1600
Left
N2(g) + 3 H2(g)  2 NH3(g) + 92 kJ
If heat is added the reaction will shift?
$2000
Left, more gas
N2(g) + 3 H2(g)  2 NH3(g) + 92 kJ
If the volume is increased the reaction will
shift
$400
Ionization Energy
$800
Molecules need to come in contact in order
to react
What is the collision Theory?
$1200
Activated complex
The temporary structure at
the top of the energy diagram
(yellow/green)
$1600
PbCl2 has a larger Ksp
Which salt would be the most
soluble?
PbCl2 Ksp = 1.7 x
Ag2S Ksp = 6.0 x
-5
10
-51
10
$2000
Ionic
$400
Loss of electrons= oxidation
Gain of electrons = reduction
What does LEO goes GER
mean?
$800
Reduction
+3
Fe
+
3e
 Fe
Is this an oxidation or a
reduction?
$1200
+7
What is the oxidation number of Mn in
MnO4- ?
$1600
O, it goes from 0 to -2
What is getting reduced in the
equation below?
4 Cu + O2  2 Cu2O
$2000
1.06 Volts
Given the information on the
board, calculate the cell
potential for the following
cell;
Ag+/Ag // Ni/Ni+2
$400
At the cathode
In a voltaic cell where does
reduction occur?
$800
1 x 10-14
What is the ionization
constant for water?
$1200
O2 since it is getting reduced
Who is the oxidizing agent in
the reaction below?
Fe + O2  Fe2O3
$1600
Endpoint
In a titration this is the point
when you see a color change
$2000
.030 Molar
Suppose that 10.1 mL of HNO3 is
neutralized by 71.4 mL of a .0042 M
solution of KOH in a titration. Calculate
the molarity of the HNO3.
Daily
Double
[OH-] > [H+]
In a basic solution what is the
+
relationship between [H ] and
[OH-]
Daily
Double
If a stress is applied to a system at
equilibrium the system will adjust to relieve
the stress and establish a new equilibrium
State Le Chatelier’s Principle
and give an example
Daily
Double
Ksp = 4.3 x 10-11
For the equilibrium
CaF2(s)  Ca2+(aq) + 2 F-(aq).
Write the equilibrium expression and then calculate the Ksp
value given the following information:
[Ca2+] = 2.2 x 10-4 M and [F-] = 4.4 x 10-4 M
The Jeopardy champion!