MoleculesGas LawsLiquids Phase Changes Acids/ Bases $ 200 $ 200$200 $ 200 $ 200 $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 RatesEquilibriumRedoxPotpouri $ 400 $ 400 $ 400 $ 400 $ 400 $ 400 $ 800 $ 800 $ 800 $ 800 $ 800 $ 800 $ 1200 $ 1200 $ 1200 $ 1200 $ 1200 $ 1200 $ 1600 $ 1600 $ 1600 $ 1600 $ 1600 $ 1600 $ 2000 $ 2000 $ 2000 $ 2000 $ 2000 $ 2000

Final Jeopardy Freezing Point Depression

Final Jeopardy 25g/58.5g/mol =.43 mol.43 mol/.250Kg = 1.7 m ∆T = 1.86 o C/m x 1.7m x (2) = -6.3 o C 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 PbCl 2  Pb 2+ (aq) + 2 Cl - (aq) Write the equation for the dissolution of PbCl 2 (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

$ 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 H 2 SO 4

$ x Math Question: If pH = 7, then what is the [OH - ]

$200 Arrhenius Definition Bases produce OH - in water solutions

$400 Whose definiton states that Acids are proton donors

$ What is pOH if pH = 5.3

$800 pH = 10 [H + ] = 1 x What is the pH?

$1000 pH = 9 [H + ] = 1 x so pH = 9 If [OH - ] = 1 x 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 1 o C

$1200 Is equal to heat lost by the material In calorimetry experiments the heat gained by water

$1600 J = 25g x 8 o C x 4.18 J/g o C How much heat is required to raise 25 grams of water from 22 o C to 30 o C? Specific Heat of water = 4.18 J/g o C

$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 K a = [ CH3COO-] [H3O + ] [CH 3 COOH] Write the equilibrium expression for the following; CH 3 COOH(aq) + H 2 O(l)  CH 3 COO - (aq) + H 3 O(aq)

$1200 A large K a value A strong acid will have what kind of value for it’s K a ?

$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 PbCl 2 has a larger K sp Which salt would be the most soluble? PbCl 2 K sp = 1.7 x Ag 2 S K sp = 6.0 x

$2000 Ionic

$400 Loss of electrons= oxidation Gain of electrons = reduction What does LEO goes GER mean?

$800 Reduction Fe e -  Fe Is this an oxidation or a reduction?

$ What is the oxidation number of Mn in MnO 4 - ?

$1600 O, it goes from 0 to -2 What is getting reduced in the equation below? 4 Cu + O 2  2 Cu 2 O

$ 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 What is the ionization constant for water?

$1200 O 2 since it is getting reduced Who is the oxidizing agent in the reaction below? Fe + O 2  Fe 2 O 3

$1600 Endpoint In a titration this is the point when you see a color change

$ 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 K sp = 4.3 x 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

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