CHEM 120

UWaterloo

Course Overview

Lessons & Practice

I. Welcome

1. Module 1: Introduction: Atoms, Ions, & Isotopes

33min

1.1.1. Isotopes and Atomic Mass5 min

1.1.2. Example2 min

1.1.3. Practice6 min

1.1.4. Practice9 min

1.2.1. The Periodic Table of Elements9 min

1.2.2. Practice2 min

2. Module 1: Stoichiometry and Introduction to Green Chemistry

2.9hr

2.1.1. Balancing Reactions3 min

2.1.2. Reaction Stoichiometry8 min

2.1.3. Example3 min

2.1.4. Polyatomic Ions 1 min

2.1.5. Example1 min

2.1.6. Practice4 min

2.2.1. Moles9 min

2.2.2. Example8 min

2.2.3. Practice5 min

2.2.4. Practice

2.3.1. The Atom and its Subatomic Particles4 min

2.3.2. Example4 min

2.3.3. Practice2 min

2.4.1. Intro to Stoichiometry4 min

2.4.2. Stoichiometry: Putting it All Together6 min

2.4.3. Example5 min

2.4.4. Example6 min

2.4.5. Practice6 min

2.4.6. Practice7 min

2.5.1. Introduction to Limiting Reagents5 min

2.5.2. Example5 min

2.5.3. Example3 min

2.5.4. Example7 min

2.5.5. Practice3 min

2.6.1. Percent Yield 5 min

2.6.2. Example7 min

2.6.3. Practice5 min

2.6.4. Practice

2.6.5. Practice: Stoichiometry3 min

2.7.1. Mass Percentage2 min

2.7.3. Practice

2.8.1. Empirical Vs Molecular Formulas1 min

2.9.1. Example #17 min

2.9.2. Example #25 min

2.9.3. Practice

2.9.4. Practice

2.9.5. Example: Simultaneous Reaction3 min

2.10.1. Introduction to Combustion Reactions3 min

2.10.2. Determining Empirical Formulae from Combustion Reactions4 min

2.10.3. Example8 min

2.10.4. Practice

2.10.5. Practice: Stoichiometry 32 min

2.11.1. Atomic Mass Interval and Atom Economy5 min

2.11.2. Atomic Mass Interval and Atom Economy Problem6 min

3. Module 1: Chemical Reactions and Introduction to Reactions in Aqueous Solutions

2.2hr

3.1.1. Components of a Solution and Solubility6 min

3.1.2. Solution Properties3 min

3.1.3. Example: Calculation of Concentration1 min

3.1.4. Example: Conversion of Concentrations7 min

3.1.5. Practice

3.2.1. Solubility Chart 8 min

3.2.2. Example5 min

3.2.3. Example5 min

3.2.4. Practice

3.3.1. Classifying Matter9 min

3.4.1. Definitions of Acids and Bases 3 min

3.4.2. Acids 2 min

3.4.3. Bases2 min

3.4.4. Neutralization Reactions

3.5.1. Three Ways to Write Out Chemical Reactions11 min

3.5.2. Practice

3.5.3. Relating Net Ionic Equations to Ionization of Acids and Bases8 min

3.6.1. Electrical Conductivity of Aqueous Solutions 4 min

3.7.1. Oxidation States7 min

3.7.2. Oxidation States - Additional Information5 min

3.7.3. Example3 min

3.7.4. Practice

3.7.5. Practice

3.8.1. Redox Reactions Theory8 min

3.8.2. Practice3 min

3.8.3. Practice49 sec

3.8.4. Practice

3.9.1. Balancing Redox Reactions-Half Reaction Method 18 min

3.9.2. Practice

3.10.1. Titration Problem Introduction4 min

3.10.2. Example7 min

4. Module 2: Quantum Theory and the H Atom: Part 1

2.7hr

4.1.1. Review of Previous Atomic Models 12 min

4.2.1. Electromagnetic Spectrum2 min

4.2.2. Photon Equations5 min

4.2.3. Photon Equations (Cntd.)9 min

4.2.4. Example4 min

4.2.5. Example3 min

4.2.6. Practice1 min

4.2.7. Practice4 min

4.3.1. Blackbody Radiation3 min

4.4.1. The Photoelectric Effect8 min

4.4.2. The Photoelectric Effect Equation11 min

4.4.3. Example5 min

4.4.4. Practice3 min

4.4.5. Practice5 min

4.5.1. The Basics of Absorption and Emission Spectra3 min

4.5.2. Bohr's Atomic Model 12 min

4.5.3. Absorption vs Emission of a Photon3 min

4.5.4. Example4 min

4.5.5. Example3 min

4.6.1. Bohr Model Equations8 min

4.6.2. Example4 min

4.6.3. Example8 min

4.6.4. Practice 6 min

4.7.1. The Bohr Model and Atomic Line Spectra7 min

4.7.2. Relating Electronic Transitions to Emission Spectra8 min

4.7.3. Example4 min

4.7.4. Practice

4.7.5. Practice1 min

4.8.1. Wave-Particle Duality 8 min

4.8.2. Example2 min

4.8.3. Practice

4.8.4. Practice3 min

4.8.5. Example: The de Broglie Hypothesis5 min

5. Module 2: Quantum Theory and the H Atom: Part 2

5hr

5.1.1. The Bohr Model Vs The Quantum Model6 min

5.2.1. The Heisenberg Uncertainty Principle5 min

5.2.2. Example9 min

5.2.3. Practice4 min

5.2.4. Example: Heisenberg Uncertainty Principle4 min

5.3.1. Schrodinger's Equation3 min

5.4.1. Consequences of moving to 3-D space4 min

5.5.1. Quantum Numbers11 min

5.5.2. Quantum Numbers Cheatsheet

5.5.3. Example3 min

5.5.4. Example5 min

5.5.5. Example1 min

5.5.6. Practice1 min

5.6.1. Shapes (aka Boundary Diagrams) of Atomic Orbitals7 min

5.6.2. Drawing Atomic Orbitals7 min

5.6.3. Example3 min

5.6.4. Practice

5.7.1. Angular and Radial Nodes10 min

5.7.2. Wave Properties of Electrons4 min

5.7.3. Plotting Radial Electron Probability8 min

5.7.4. Example3 min

5.7.5. Example3 min

5.7.6. Example2 min

5.7.7. Practice4 min

5.8.1. Drawing Orbitals9 min

5.8.2. Radial factors, radial electron densities and radial distribution plots11 min

5.8.3. Example: Radial factors, Radial Electron Densities and Radial Distribution Plots6 min

5.8.4. Practice: Radial factors, Radial Electron Densities and Radial Distribution Plots2 min

5.9.1. Relative Energies of Atomic Orbitals11 min

5.9.2. Rules for Orbital Filling10 min

5.9.3. Example2 min

5.9.4. Example1 min

5.9.5. Practice2 min

5.9.6. Practice

5.9.7. Example: Quantum Numbers and Energy Level Diagram Example12 min

5.10.1. Electronic Configurations of Atoms11 min

5.10.2. Electron Configurastions Cheatsheet

5.10.3. Electron Configuration Exceptions5 min

5.10.4. Example3 min

5.10.5. Example3 min

5.10.6. Practice

5.10.7. Practice4 min

5.10.8. Practice

5.11.1. Electron Configurations of Ions of Main Group Elements9 min

5.11.2. Electron Configuration of Ions of Transition Elements2 min

5.11.3. Example5 min

5.11.4. Example5 min

5.11.5. Practice3 min

5.12.1. Diamagnetic Vs Paramagnetic 7 min

5.12.2. Example8 min

5.12.3. Practice

5.13.1. Ground State Vs Excited State Electron Configurations6 min

5.13.2. Example2 min

5.13.3. Example

5.13.4. Practice4 min

5.13.5. Practice5 min

6. Module 3: The Periodic Table

2.1hr

6.1.1. Effective Nuclear Charge 9 min

6.1.2. Example1 min

6.1.3. Practice2 min

6.2.1. Atomic Radius7 min

6.2.2. Atomic Radius Theory7 min

6.2.3. Example2 min

6.2.4. Example3 min

6.2.5. Practice1 min

6.3.1. Ionization Energy 5 min

6.3.2. Comparing 1st, 2nd, and 3rd Ionization Energies9 min

6.3.3. Practice2 min

6.3.4. Practice2 min

6.3.5. Practice5 min

6.4.1. Electron Affinity 10 min

6.4.2. Example2 min

6.4.3. Practice2 min

6.4.4. Practice4 min

6.5.1. Electronegativity 4 min

6.5.2. Example47 sec

6.5.3. Practice3 min

6.6.1. Periodic Trends Theory2 min

6.6.2. Example5 min

6.6.3. Practice4 min

6.6.4. Practice7 min

6.6.5. Practice2 min

6.7.1. Exceptions to Periodic Trends Introduction3 min

6.7.2. Exceptions to Periodic Trends Examples10 min

6.7.3. Exceptions to Periodic Trends Summary2 min

6.7.4. Example3 min

6.7.5. Practice4 min

7. Module 4: Chemical Bonding I: Basic Concepts

2.9hr

7.1.1. Introduction to Intramolecular Bonds4 min

7.1.2. Types of Intramolecular Bonds14 min

7.1.3. Example2 min

7.1.4. Example6 min

7.1.5. Practice2 min

7.1.6. Practice

7.2.1. Lattice Energy (Property of Ionic Bonds)6 min

7.2.2. Example7 min

7.2.3. Example3 min

7.2.4. Practice

7.2.5. Practice

7.3.1. Drawing Lewis Structures 17 min

7.3.2. Example11 min

7.3.3. Example7 min

7.3.4. Practice

7.3.5. Practice7 min

7.4.1. Resonance Structures Theory7 min

7.4.2. Equivalent Vs Non-Equivalent Resonance Structures5 min

7.4.3. Example7 min

7.4.4. Example13 min

7.4.5. Practice

7.4.6. Practice

7.5.1. VSEPR Theory20 min

7.5.2. Example10 min

7.5.3. Example6 min

7.5.4. Practice

7.5.5. Practice

7.5.6. VSEPR and Molecular Shapes Cheatsheet

7.6.1. Review of Polar Covalent Bonds

7.6.2. Molecular Polarity 8 min

7.6.3. Example8 min

7.6.4. Practice

7.6.5. Practice3 min

8. Module 5: Chemical Bonding II: Valence Bond and Molecular Orbital Theories

1.5hr

8.1.1. Introduction to Valence Bond and Molecular Orbital Theories2 min

8.2.1. VBT and Hybridization6 min

8.2.2. sp3 Hybridization & VSEPR17 min

8.2.3. sp2 and sp Hybridization & VSEPR12 min

8.2.4. Example: Hybridization8 min

8.2.5. Practice: Hybridization7 min

8.3.1. Introduction to the Molecular Orbital Theory (MOT)13 min

8.3.2. MOs of O2, F2 and Ne28 min

8.3.3. MOs of B2, C2 and N24 min

8.3.4. Example: Molecular Orbital Theory6 min

8.3.5. Practice: MO Theory9 min

8.Q. VBT and MOT Quiz5 Qns

9. Module 6: Gases

2.5hr

9.1.1. Phases of Matter3 min

9.2.1. Measuring Pressure in the Lab3 min

9.2.2. Practice: Barometer

9.3.1. Kinetic Molecular Theory 7 min

9.4.1. The Ideal Gas Law5 min

9.4.2. Example2 min

9.4.3. Example7 min

9.4.4. Practice8 min

9.5.1. Gas Laws11 min

9.5.2. Example5 min

9.5.3. Practice3 min

9.5.4. Practice

9.6.1. Applications of the Ideal Gas Law3 min

9.6.2. Standard Molar Volume 5 min

9.6.3. Example10 min

9.6.4. Practice4 min

9.6.5. Practice

9.6.6. Practice

9.7.1. Real Gases and the Van der Waals Equation16 min

9.7.2. Real Gases vs Ideal Gases & the Compressibility Factor5 min

9.7.3. Example4 min

9.7.5. Practice

9.8.1. Gas Mixtures & Partial Pressures6 min

9.8.2. Example2 min

9.8.3. Practice4 min

9.8.4. Practice

9.9.1. Diffusion & Effusion7 min

9.9.2. Practice4 min

9.9.3. Practice

9.10.1. Relationships Between Kinetic Energy, Temperature, and Speeds!9 min

9.10.2. Root Mean Squared Speed Equation3 min

9.10.3. Example5 min

9.10.4. Example5 min

9.10.5. Practice1 min

9.10.6. Practice

10. Module 6: Intermolecular Forces: Liquids and Solids

2.1hr

10.1.1. Intramolecular vs Intermolecular Forces5 min

10.1.2. Intermolecular Forces Theory15 min

10.1.3. Example

10.1.4. Example

10.1.5. Practice9 min

10.2.1. Viscosity 5 min

10.2.2. Surface Tension6 min

10.2.3. Capillary Action10 min

10.2.4. Example4 min

10.2.5. Example

10.2.6. Practice

10.2.7. Practice 8 min

10.3.1. Phases of Matter3 min

10.3.2. Intermolecular Forces and Boiling Point11 min

10.3.3. Other Physical Properties and Intermolecular Forces6 min

10.3.4. Example9 min

10.3.5. Example4 min

10.3.6. Practice

10.3.7. Practice

10.4.1. Phase Transitions7 min

10.4.2. Practice

10.5.1. Phase Diagrams13 min

10.5.2. Extra Low Yield Information for Phase Diagrams4 min

10.5.3. Example4 min

10.5.4. Practice

10.5.5. Example5 min

10.5.6. Practice

Mock Exams

ME.1. Final Exam - Mock Assessment 240 Qns

ME.2. Final Exam - Mock Assessment40 Qns

CHEM 120 Flashcards

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Atoms

Atoms are the building blocks of chemistry and life, making up everything around us.

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