CHEM 154

UBC

Course Overview

Grade Boosters

Lessons & Practice

I. Welcome

1. Introduction (Review)

2.2hr

1.I. Chapter Intro4 min

1.1.1. SI Units

1.1.2. Dimensional Analysis

1.1.3. Dimensional Analysis of Concentration

1.1.4. Practice

1.1.5. Practice

1.1.6. Practice

1.2.1. Significant Digits 7 min

1.2.2. Example: Significant Digits Practice 56 sec

1.2.3. Example: Density Problems 4 min

1.3.1. Scientific notation

1.3.2. Scientific Notation Practice

1.4.1. Unit Conversion4 min

1.4.2. Example: Unit Conversion Practice 2 min

1.5.1. Atomic Structure and Weight Theory9 min

1.5.2. Atomic Structure and Weight Questions3 min

1.5.3. Atomic Mass1 min

1.6.1. Isotopes and Atomic Weight 7 min

1.6.2. Practice: Isotopes and Atomic Mass 6 min

1.6.3. Practice: Isotopes and Atomic Mass9 min

1.7.1. Reaction Stoichiometry5 min

1.7.2. Practice: Balancing

1.7.3. Moles6 min

1.7.4. Example: Reaction Stoichiometry 1 min

1.7.5. Steps for doing Stoichiometry Problems2 min

1.7.6. Practice: Stoichiometry (Similar to a question asked on a previous year's midterm) 6 min

1.7.7. Practice: Hydrate Question (Similar to a question asked on a previous year's midterm)8 min

1.7.8. Example: Stoichiometry2 min

1.8.1. Concentration of Solutions3 min

1.8.2. Example: Converting Molarity to Mole Fraction8 min

1.8.3. Example: Converting Mole Fraction to Molarity7 min

1.8.4. Example: Calculating Molarity from Combined Solutions6 min

1.8.5. Practice Question: Calculating Molarity from Mass4 min

1.8.6. Practice Question: Calculating Mole Fraction from Molarity7 min

1.9.1. Limiting Reagents3 min

1.9.2. Example: Limiting Reagent6 min

2. The Periodic Table / Periodic Trends (Unit 2)

4hr

2.1.1. The Basics of Absorption and Emission Spectra3 min

2.1.2. Bohr's Atomic Model 12 min

2.1.3. Absorption vs Emission of a Photon3 min

2.1.4. Example4 min

2.1.5. Example3 min

2.1.6. Bohr Model Equations8 min

2.1.7. Example4 min

2.1.8. Example8 min

2.1.9. Practice 6 min

2.1.10. The Bohr Model and Atomic Line Spectra7 min

2.1.11. Relating Electronic Transitions to Emission Spectra8 min

2.1.12. Example4 min

2.1.13. Practice

2.1.14. Practice1 min

2.2.1. Relative Energies of Atomic Orbitals11 min

2.2.2. Rules for Orbital Filling10 min

2.2.3. Example2 min

2.2.4. Example1 min

2.2.5. Practice2 min

2.2.6. Electronic Configurations of Atoms11 min

2.2.7. Electron Configurations Cheatsheet

2.2.8. Electron Configuration Exceptions5 min

2.2.9. Example3 min

2.2.10. Example3 min

2.2.11. Practice

2.2.12. Practice4 min

2.2.13. Practice

2.3.1. The Periodic Table of Elements9 min

2.3.2. Practice2 min

2.4.1. Atomic Radius7 min

2.4.2. Atomic Radius Theory7 min

2.4.3. Example2 min

2.4.4. Example3 min

2.4.5. Practice1 min

2.5.1. Ionization Energy 5 min

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

2.5.3. Practice2 min

2.5.4. Practice2 min

2.5.5. Practice5 min

2.6.1. Electron Affinity 10 min

2.6.2. Example2 min

2.6.3. Practice2 min

2.6.4. Practice4 min

2.7.1. Electronegativity 4 min

2.7.2. Example47 sec

2.7.3. Practice3 min

2.8.1. Periodic Trends Theory2 min

2.8.2. Example5 min

2.8.3. Practice4 min

2.8.4. Practice7 min

2.8.5. Practice2 min

3. Lewis Structures / VSEPR Theory (Unit 3)

2.6hr

3.1.1. Introduction to Intramolecular Bonds4 min

3.1.2. Types of Intramolecular Bonds14 min

3.1.3. Example2 min

3.1.4. Example6 min

3.1.5. Practice2 min

3.1.6. Practice

3.2.1. Properties of Covalent Bonds11 min

3.2.3. Practice4 min

3.3.1. Bond Energies4 min

3.3.2. Example: Bond Energies

3.4.1. Drawing Lewis Structures 17 min

3.4.2. Example11 min

3.4.3. Example7 min

3.4.4. Practice

3.4.5. Practice7 min

3.5.1. Resonance Structures Theory7 min

3.5.2. Equivalent Vs Non-Equivalent Resonance Structures5 min

3.5.3. Example7 min

3.5.4. Example13 min

3.5.5. Practice

3.5.6. Practice

3.6.1. VSEPR Theory20 min

3.6.2. Example10 min

3.6.3. Example6 min

3.6.4. Practice

3.6.5. Practice

3.6.6. VSEPR and Molecular Shapes Cheatsheet

4. Intermolecular Forces / Phases of Matter (Unit 4)

1.5hr

4.1.1. Intramolecular vs Intermolecular Forces5 min

4.1.2. Intermolecular Forces Theory15 min

4.1.5. Practice9 min

4.2.1. Phase Diagrams13 min

4.2.2. Extra Low Yield Information for Phase Diagrams4 min

4.2.3. Example4 min

4.2.4. Practice

4.2.5. Example5 min

4.2.6. Practice

4.3.1. Surface Tension6 min

4.3.2. Capillary Action10 min

4.3.3. Viscosity 5 min

4.3.4. Example4 min

4.3.6. Practice

4.3.7. Practice 8 min

5. Polymers (Unit 5)

9min

5.1.1. Solids and polymers4 min

5.1.2. Example: Drawing Polymers49 sec

5.1.3. Practice: Drawing Polymers1 min

5.2.1. Polymerization Reactions2 min

5.2.2. Practice: Polymerization Reactions41 sec

7. Introductory Thermodynamics / Enthalpy (Unit 7)

1.9hr

7.1.1. Thermodynamics4 min

7.1.2. State Variables 3 min

7.1.3. Example: State Variables 2 min

7.1.4. Extensive vs Intensive Properties 2 min

7.2.1. The 1st Law of Thermodynamics7 min

7.2.2. pV work4 min

7.2.3. Example: Work Heat and Internal Energy of an Ideal Gas5 min

7.2.4. Practice: pV Work1 min

7.2.5. Expansion Due to Chemical Reaction8 min

7.2.6. Practice: Work Done During Acid Digestion of Magnesium2 min

7.3.1. Heats of Formation6 min

7.3.2. Practice: Enthalpy of Formation

7.3.3. Example: Heats of formation2 min

7.4.1. Hess’ Law5 min

7.4.2. Hess' Law Practice

7.4.3. Practice: Hess' Law1 min

7.5.1. Enthalpy of Reaction2 min

7.5.2. Practice: Enthalpy 3 min

7.6.1. Enthalpy2 min

7.6.2. Heat Capacity and Calorimetry13 min

7.6.3. Practice: Coffee Cup Calorimetry10 min

7.6.4. Practice: Bomb Calorimetry Problem Type 1 12 min

7.6.5. Practice: Bomb Calorimetry Problem Type 25 min

7.7.1. Calorimetry2 min

7.7.2. Example: Copper Weight Calorimetry2 min

7.7.3. Example: Thermal Equilibrium Calorimetry3 min

7.8.1. Enthalpy of Phase Change2 min

7.9.1. Heating and Cooling Curves3 min

7.9.2. Example: Heating Curve4 min

7.9.3. Practice: Thermochemistry Calculations (Water Vaporization)2 min

8. Spontaneity (Unit 8)

27min

8.1.1. 2nd Law: Definition6 min

8.1.2. Factors Affecting Entropy Changes 10 min

8.1.3. Practice: Calculating Entropy Change of a Reaction

8.2.1. Gibbs Free Energy and Spontaneity (w/o chemical potential)2 min

8.2.2. Spontaneity 7 min

8.2.3. Example: Spontaneity of a Reaction

8.2.4. Predicting Spontaneity Based off Entropy2 min

9. Equilibrium (Unit 9)

1.8hr

9.1.1. Introduction to Equilibrium 2 min

9.1.2. Understanding Equilibrium3 min

9.1.3. Concentration vs Time Graphs4 min

9.1.4. Practice3 min

9.1.5. Practice6 min

9.2.1. Equilibrium Constant (K)10 min

9.2.2. The Magnitude of the Equilibrium Constant, K8 min

9.2.3. Practice2 min

9.2.4. Practice4 min

9.3.1. Predicting Equilibria: The Reaction Quotient (Q) 6 min

9.3.2. Example4 min

9.3.3. Practice3 min

9.3.4. Practice

9.4.1. Chemical Equilibrium and ΔG Equations5 min

9.4.2. DeltaGo and K 3 min

9.4.4. Chemical Equilibrium and ΔG Practice

9.4.5. Chemical Equilibrium and ΔG Practice #2

9.4.6. Chemical Equilibrium and ΔG Practice #3

9.4.7. Van't Hoff Practice Problem

9.5.1. Solubility8 min

9.5.2. Example: Ksp

9.5.3. Practice: Calculating Molar Solubility2 min

9.5.4. Practice: Solubility8 min

9.6.1. Factors that Affect Solubility2 min

9.6.2. Practice: Ranking Solubility2 min

9.6.3. Le Chatelier's Priniciple14 min

9.6.4. Practice6 min

9.6.5. Practice

10. Kinetics (Unit 10)

1.7hr

10.1.1. Introduction to Kinetics1 min

10.1.2. Reaction Rates 3 min

10.2.1. Measuring Reaction Rates4 min

10.2.2. Practice: Rate of Reaction6 min

10.2.3. Practice: Rate of Reaction5 min

10.3.1. Rate Laws2 min

10.3.2. Example: Determining Reaction Order44 sec

10.3.3. Determining the Rate Law From Experimental Data 10 min

10.3.4. Shortcut to Find Units of k Quicker 3 min

10.3.5. Practice: Experimental Rate Law 6 min

10.3.6. Practice: Determining Rate Law Exponents

10.3.7. Practice: Rate Law1 min

10.3.8. Practice: Units of the Rate Constant, K5 min

10.4.1. Integrated Rate Laws for Various Orders 7 min

10.4.2. Example: Plotting a Straight Line with the Integrated Rate Laws

10.4.3. Practice: Integrated Rate Laws Practice

10.4.4. Integrated Rate Laws Cheatsheet

10.4.5. First Order Reactions

10.4.6. Second Order Reactions

10.5.1. 3 Neccessary Steps For a Reaction to Occur 1 min

10.5.2. Collision Theory7 min

10.5.3. Collision Theory Represented By A Graph2 min

10.5.4. How Do We Measure Ea39 sec

10.5.5. Practice: Determining the Activation Energy39 sec

10.5.6. Transition State Theory 4 min

10.5.7. Arrhenius Equation1 min

10.5.8. Example: Arrhenius Equation

10.5.9. Example: Arrhenius Equation1 min

10.5.10. Practice: Arrhenius Equation

10.6.1. Reactions Mechanisms – Elementary Reactions4 min

10.6.2. Example: Reactions Mechanisms – Elementary Steps

10.6.3. Rate Determining Step Introduction 5 min

10.6.4. Example: Rate Determining Step14 min

10.6.5. Practice: Rate of A Reaction

10.6.6. Practice: Reaction Coordinate Diagram4 min

10.6.7. Practice: Mechanism

11. Electrochemistry (Unit 11)

2.1hr

11.1.1. Oxidation States4 min

11.1.2. Oxidation States - Additional Information

11.1.3. Example: Oxidation State Practice 3 min

11.1.4. Practice: More Oxidation State5 min

11.1.5. Redox Reactions Theory6 min

11.1.6. Practice: Oxidation vs Reduction3 min

11.1.7. Practice: Oxidizing Agent vs Reducing Agent49 sec

11.2.1. Galvanic/Voltaic Cells13 min

11.2.2. Practice: Galvanic Cells44 sec

11.2.3. Practice: Galvanic Cells 5 min

11.2.4. Example: Will A Reaction Occur? 10 min

11.2.5. Example: Electrochemistry2 min

11.2.6. Practice: Electrochemistry2 min

11.3.1. Balancing Redox Reactions13 min

11.3.2. Practice: Balance the Redox Reaction

11.4.1. Reduction Potentials 10 min

11.4.2. How Potentials Relate to Spontaneity 7 min

11.4.3. Example: Electrochemical Cell Practice 4 min

11.4.4. Practice: Strongest Reducing Agent3 min

11.5.1. Cell Diagram 2 min

11.5.2. Practice: Cell Diagram For An Electrochemical Cell

11.5.3. Practice: Electrochemical Cells6 min

11.6.1. Cell Potential Equations 2 min

11.6.2. Example: Solving for Keq and deltaGo 5 min

11.6.3. Practice: Electrochemistry II3 min

11.6.4. Electrochemical Cells in Non-standard Conditions: Nernst Equation1 min

11.6.5. Example: Electrochemical Cell Practice with Equations11 min

11.6.6. Practice: Electrochemistry Equations

Mock Exams

ME.1. Midterm - Mock Assessment35 Qns

ME.2. Final Exam - Mock Assessment90 Qns

ME.1 Midterm - Mock Assessment

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