Unit 2

In class slides

4.1+2 Precipitation reactions

• Objectives: (videos below)

  1. SW describe the difference between weak and strong electrolytes, predict solubilities for various ionic equations and write net ionic equations for precipitation reactions.

• Videos

  1. 4.1 Electrolytes (or text)

  2. 4.2a Precipitation reactions (or text)

  3. 4.2b exchange reactions and ionic equations (or text)

• Practice problems

  1. Solutions

4.3 Acid and Base reactions

• Objectives: (videos below)

  1. SW describe the difference between weak/strong acids/bases

  2.  predict the products of various acid/base reactions and identify any spectator ions

• Videos

  1. 4.3a Acid Base Basics (or text)

  2. 4.3b Acid Base reactions

• Practice problems

  1. Solutions

4.4 Redox Reactions

• Objectives: (videos below)

  1. SW identify oxidation numbers, redox reactions and predict reaction spontaneity based on activity

• Videos

  1. 4.4a Redox reactions and oxidation numbers (or text)

  2. 4.4b Redox reactions- Metal Activity and Spontaneity

• Practice problems

  1. Solutions

4.5 Concentration and dilution

• Objectives: 

  1. Describe the concentration of a solution in terms of Molarity

  2. Determine the molarity of compounds and electrolytes in solution

  3. Describe how to perform dilutions and determine their concentration

• Videos

  1. 4.5a Concentration and Molarity (or text)

  2. 4.5b Solutions and Dilutions (or text)

• Practice problems

  1. Solutions

4.6 Solution Stoichiometry; Titration

• Objectives: (Video or text)

  1. Describe the technique of titration and use it to determine the concentrations of unknown solutions

• Practice problems

  1. Solutions

Chapter 5 in class slides

5.1+2 State functions, work, heat

• Objectives: 

  • 5.1: Energy: Work and heat (video)

    • Describe what energy is, the common units to describe quantities of energy and describe different ways energy is transferred

    • Describe what is meant by a closed system and its surroundings

  • 5.2: The First Law of Thermodynamics and State function (video)

    • Describe processes as endothermic or exothermic and calculate changes in internal energy when given q and w

    • Describe what state functions are and give examples

• Notes

  • Above videos or text

• Practice problems

  • Solutions

• Helpful video: Whats a state function?

5.3+4 Enthalpy and Enthalpy of reactions

• Objectives: 

  • 5.3: Enthalpy (video)

    • Describe what Enthalpy is

    • Describe endothermic and exothermic processes

  • 5.4 Enthalpies of Reaction (video)

    • SW describe reactions as exothermic or endothermic and use ΔH data to quantitatively determine kJ absorbed/released for a given reaction

• Text

• Practice problems

  • Solutions

5.5 Calorimetry

• Objectives: 

  • SW solve calorimetry type problems (determine the ΔH of a reaction from data) for constant pressure calorimetry and constant volume calorimetry.

• Text or Videos

  • 5.5a Calorimetry

  • 5.5b Calorimetry and heat of reaction

• Practice problems

  • Solutions

5.6 Hess’s law

• Objectives: Video or text

  • SW apply Hess’s law in order to determine the ΔH of a reaction, given the ΔH for other reactions.

• Practice problems

  • Solutions

• Helpful Video: Hess’s Law

5.7 Heat of Formation

• Objectives: Videos below or text

  • SW use ΔHf of the compounds in a reaction to determine the ΔHRXN.

• Videos

  • 5.7a Heat of formation

  • 5.7b Heat of formation problems

• Practice problems

  • Solutions

• Hess’s Law Lab

  • Hess’s Law Lab Video

Chapter 5 Resources

•  Thermo Quiz Generator

• Hess’s Law Quiz Generator

Chapter 6 in class slides

6.1+2 light, planks constant, calculating energy of photon

• Objectives: 

  • SW describe the nature of light and convert between wavelength, frequency and energy

• Videos:

  • 6.1 Wave Nature of Light or text (edpuzzle)

  • 6.2 Quantized Energy and Photons or text (edpuzzle)

• Practice problems

  • Solutions

• Helpful video: What is planck's constant?

6.3 Bohr Model and energies of PEL

• Objectives: (video or text) (edpuzzle)

  • SW apply the Rydberg Formula and the Bohr Model of the atom to quantitatively determine the energy of various PEL transitions,

• Practice problems

  • Solutions

6.4 Wave behavior of matter and uncertainty principle

• Objectives: (video or text) (edpuzzle)

  • SW describe the wave nature of all matter and calculate Broglie wavelength for various things and the significance of the uncertainty principle.

• Practice problems

  • Solutions

• Suggested videos:

  • De Broglie Waves

  • Heisenberg's uncertainty principle

  • Heisenberg's Microscope

6.5+6 quantum mechanics and orbitals

• Objectives: 

  • SW describe the location of an electron in the quantum model of an atom, including in terms of their quantum numbers.

• Videos

  • 6.5 Quantum mechanics and atomic orbitals (or text) (edpuzzle)

  • 6.6 Representations of Orbitals (shapes) (or text) (edpuzzle)

• Helpful video: Quantum numbers explained

• Practice problems

  • Solutions

• Flame Test Lab

  • Flame Test Lab 2020

6.7+8 Many electron atom and electron configuration

• Objectives: (video or text) (edpuzzle)

  • SW apply the Pauli Exclusion Principle as well as Hund’s Rule And create box-diagrams to illustrate electron configuration.

• Practice problems

  • Solutions

6.9 Periodic table and its configuration

• Objectives: (video or text) (edpuzzle)

  • SW analyze the structure of the periodic table in reference to the electron configuration of its elements.

• Practice problems

  • Solutions