CHEM 120

McGill

Course Overview

Lessons & Practice

I. Welcome

1. Gases (Ch 8)

2.5hr

1.1.1. Phases of Matter3 min

1.2.1. Kinetic Molecular Theory 7 min

1.3.1. The Ideal Gas Law5 min

1.3.2. Example2 min

1.3.3. Example7 min

1.3.4. Practice8 min

1.4.1. Gas Laws11 min

1.4.2. Example5 min

1.4.3. Practice3 min

1.4.4. Practice

1.5.1. Mercury Barometer5 min

1.5.2. Practice: Barometer

1.6.1. Applications of the Ideal Gas Law3 min

1.6.2. Standard Molar Volume 5 min

1.6.3. Example10 min

1.6.4. Practice4 min

1.6.5. Practice

1.6.6. Practice

1.7.1. Real Gases and the Van der Waals Equation16 min

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

1.7.3. Example4 min

1.7.5. Practice

1.8.1. Gas Mixtures & Partial Pressures6 min

1.8.2. Example2 min

1.8.3. Practice4 min

1.8.4. Practice

1.9.1. Diffusion & Effusion7 min

1.9.2. Practice4 min

1.9.3. Practice

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

1.10.2. Root Mean Squared Speed Equation3 min

1.10.3. Example5 min

1.10.4. Example5 min

1.10.5. Practice1 min

1.10.6. Practice

2. Kinetics (Ch 17)

2.4hr

2.1.1. Introduction to Kinetics1 min

2.2.1. Reaction Rates 3 min

2.2.2. Measuring Reaction Rates4 min

2.2.3. Practice: Rate of Reaction6 min

2.2.4. Practice: Rate of Reaction5 min

2.3.1. Rate Laws2 min

2.3.2. Example: Determining Reaction Order44 sec

2.3.3. Determining the Rate Law From Experimental Data 10 min

2.3.4. Shortcut to Find Units of k Quicker 3 min

2.3.5. Practice: Experimental Rate Law 6 min

2.3.6. Practice: Determining Rate Law Exponents

2.3.7. Practice: Rate Law1 min

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

2.4.1. Integrated Rate Laws for Various Orders 7 min

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

2.4.3. Practice: Integrated Rate Laws Practice

2.4.4. Integrated Rate Laws Cheatsheet

2.4.5. First Order Reactions

2.4.6. Second Order Reactions

2.5.1. Half-life for Various Orders 4 min

2.5.2. Practice: Half-Life

2.5.3. Practice: Radioactive Decay in Smoke Detectors1 min

2.6.1. Arrhenius Equation1 min

2.6.2. Example: Arrhenius Equation

2.6.3. Example: Arrhenius Equation1 min

2.6.4. Practice: Arrhenius Equation

2.7.1. How Do We Measure Ea39 sec

2.7.2. Practice: Determining the Activation Energy39 sec

2.8.1. 3 Neccessary Steps For a Reaction to Occur 1 min

2.8.2. Collision Theory7 min

2.8.3. Collision Theory Represented By A Graph2 min

2.8.4. Transition State Theory 4 min

2.8.5. Additional Notes on the Arrhenius Equation 9 min

2.9.1. Reactions Mechanisms – Elementary Reactions4 min

2.9.2. Example: Reactions Mechanisms – Elementary Steps

2.9.3. Rate Determining Step Introduction 5 min

2.9.4. Example: Rate Determining Step14 min

2.9.5. Practice: Rate of A Reaction

2.9.6. Practice: Reaction Coordinate Diagram4 min

2.9.7. Practice: Mechanism

2.10.1. Catalysts3 min

2.10.2. Enzymes4 min

2.10.3. Example: Identifying a Catalyst Vs an Intermediate In a Mechanism 2 min

2.10.4. Example: Catalysts 224 sec

2.11.1. Steady State Approximation

2.11.2. Example: Steady State Approximation 11 min

2.12.1. Pre-Equilibrium4 min

2.12.2. Practice: Pre-Equilibrium

3. Thermochemistry (Ch 9)

2.2hr

3.1.1. Thermodynamics4 min

3.1.2. State Variables 3 min

3.1.3. Example2 min

3.1.4. Extensive vs Intensive Properties 2 min

3.1.5. Additional Terminology5 min

3.2.1. 0th Law of Thermodynamics 3 min

3.3.1. The 1st Law of Thermodynamics7 min

3.3.2. Signs of Heat and Work & Calculating Work4 min

3.3.3. Example5 min

3.3.4. Practice1 min

3.3.5. Practice3 min

3.4.1. Expansion Due to Chemical Reaction8 min

3.4.2. Example4 min

3.4.3. Practice2 min

3.5.1. Calorimetry12 min

3.5.2. Heat Capacity of Ideal Gases2 min

3.5.3. Practice3 min

3.5.4. Practice

3.6.1. Heat Capacity and Calorimetry13 min

3.6.2. Example7 min

3.6.3. Example6 min

3.6.4. Practice56 sec

3.6.5. Practice10 min

3.6.6. Example7 min

3.6.7. Practice

3.7.1. Enthalpy of Reaction2 min

3.7.2. Example4 min

3.8.1. Heats of Formation6 min

3.8.3. Practice

3.8.4. Practice

3.9.1. Hess’ Law5 min

3.9.2. Practice

3.9.3. Practice [challenging]1 min

4. Equilibrium (Ch 13)

2.3hr

4.I. Chapter Intro3 min

4.1.1. Introduction to Equilibrium 2 min

4.1.2. Understanding Equilibrium3 min

4.2.1. Concentration vs Time Graphs4 min

4.2.2. Practice3 min

4.2.3. Practice6 min

4.3.1. Equilibrium Constant (K)10 min

4.3.2. The Magnitude of the Equilibrium Constant, K8 min

4.3.3. Practice2 min

4.3.4. Practice4 min

4.4.1. Manipulating Equilibrium Constants5 min

4.4.2. Practice7 min

4.5.1. Solving for Kc vs Kp 5 min

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

4.6.2. Example4 min

4.6.3. Practice3 min

4.6.4. Practice

4.7.1. Le Chatelier's Priniciple14 min

4.7.2. Practice6 min

4.7.3. Practice

4.8.1. Intro to ICE Tables

4.8.2. Example 19 min

4.8.3. Example 29 min

4.8.4. Example 33 min

4.8.5. Example 49 min

4.8.6. Example 512 min

4.Q. Exam Practise & Problems9 Qns

5. Thermodynamics II (Ch 12)

42min

5.1.1. 2nd Law of Thermodynamics (Entropy)6 min

5.1.2. Factors Affecting Entropy Changes 10 min

5.1.3. Example1 min

5.1.4. Practice1 min

5.1.5. Practice4 min

5.2.1. 3rd Law of Thermodynamics1 min

5.2.2. Summary of the Laws of Thermodynamics

5.3.1. Gibbs Free Energy and Spontaneity2 min

5.3.2. Spontaneity 7 min

5.3.3. Example: Spontaneity of a Reaction

5.3.4. Predicting Spontaneity Based off Entropy2 min

5.4.1. Chemical Equilibrium and ΔG Equations5 min

5.4.2. DeltaGo and K 3 min

5.4.4. Chemical Equilibrium and ΔG Practice

5.4.5. Chemical Equilibrium and ΔG Practice #2

5.4.6. Chemical Equilibrium and ΔG Practice #3

5.4.7. Van't Hoff Practice Problem

6. Liquids, Solids, and Phase Changes (Ch 10) & Solutions and their Physical Properties (Ch 11)

3hr

6.1.1. Intramolecular vs Intermolecular Forces5 min

6.1.2. Intermolecular Forces Theory15 min

6.1.5. Practice9 min

6.2.1. Types of Intermolecular Forces (more detailed version)9 min

6.2.2. Strength of Intermolecular Forces Cheatsheet

6.2.3. Example4 min

6.2.4. Example4 min

6.2.5. Practice

6.2.6. Practice

6.3.1. Phases of Matter3 min

6.3.2. Intermolecular Forces and Boiling Point11 min

6.3.3. Other Physical Properties and Intermolecular Forces6 min

6.3.4. Example9 min

6.3.5. Example4 min

6.3.6. Practice

6.3.7. Practice

6.4.1. Viscosity 5 min

6.4.2. Surface Tension6 min

6.4.3. Capillary Action10 min

6.4.4. Example4 min

6.4.6. Practice

6.4.7. Practice 8 min

6.5.1. Vapour Pressure Equation

6.5.2. Practice

6.6.1. Phase Transitions7 min

6.6.2. Practice

6.7.1. Introduction to the Heat Curve15 min

6.7.2. Important Things to Know About the Heat Curve6 min

6.7.3. Example8 min

6.7.4. Practice

6.7.5. Practice

6.8.1. Phase Diagrams13 min

6.8.2. Extra Low Yield Information for Phase Diagrams4 min

6.8.3. Example4 min

6.8.4. Practice

6.8.5. Example5 min

6.8.6. Practice

6.9.1. Concentrations4 min

6.9.2. Example: Dilution54 sec

6.9.3. Practice: Molarity3 min

6.9.4. Practice: Stoichiometry/Density Conversions2 min

6.10.1. Colligative Properties10 min

6.10.2. Example: Freezing Point Depression2 min

6.10.3. Practice: Vapor Pressure 2 min

6.10.4. Practice: Osmotic Pressure 3 min

6.P.1. Practice: Osmotic Pressure II

6.P.2. Practice: Molality

6.P.3. Practice: Final Volume

6.P.4. Practice: Stoichiometry Problem

6.P.5. Practice: Molarity II

6.P.6. Practice: Molarity III

7. Stoichiometry [review]

2.5hr

7.1.1. Balancing Reactions3 min

7.1.2. Reaction Stoichiometry8 min

7.1.3. Example3 min

7.1.4. Polyatomic Ions 1 min

7.1.5. Example1 min

7.1.6. Practice4 min

7.2.1. Moles9 min

7.2.2. Example8 min

7.2.3. Practice5 min

7.2.4. Practice

7.3.1. Intro to Stoichiometry4 min

7.3.2. Stoichiometry: Putting it All Together6 min

7.3.3. Example5 min

7.3.4. Example6 min

7.3.5. Practice6 min

7.3.6. Practice7 min

7.4.1. Introduction to Limiting Reagents5 min

7.4.2. Example5 min

7.4.3. Example3 min

7.4.4. Example7 min

7.4.5. Practice3 min

7.5.1. Percent Yield 5 min

7.5.2. Example7 min

7.5.3. Practice5 min

7.5.4. Practice

7.6.1. Mass Percentage2 min

7.6.3. Practice

7.7.1. Empirical Vs Molecular Formulas1 min

7.8.1. Example #17 min

7.8.2. Example #25 min

7.8.3. Practice

7.8.4. Practice

7.9.1. Introduction to Combustion Reactions3 min

7.9.2. Determining Empirical Formulae from Combustion Reactions4 min

7.9.3. Example8 min

7.9.4. Practice

7.Q. Exam Practise & Problems7 Qns

8. Acids/Bases and Ionic Equilibria (Ch 14/15)

4hr

8.I. Chapter Intro4 min

8.1.1. Definitions of Acids and Bases 10 min

8.2.1. Identifying Conjugate Acid and Base Pairs 7 min

8.2.2. Practice2 min

8.3.1. pH Scale 7 min

8.3.2. Example2 min

8.3.3. Example6 min

8.3.4. Practice

8.4.1. Acids and their Equations7 min

8.4.2. Practice4 min

8.4.3. Acids With Different Numbers of Protons5 min

8.5.1. Bases and their Equations6 min

8.6.2. Example21 min

8.6.3. Types of Acid or Base Reactions and pH Calculations Summary

8.7.1. Autoionization of Water (Kw) 6 min

8.8.1. Acid Base Equations Cheatsheet

8.8.2. Acid/Base Important Relationships Cheatsheet

8.9.1. Relationships Between the Strength of an Acid/Base and its Conjugate Base/Acid5 min

8.9.2. How to Determine the Stronger Acid by Looking at Conjugate Bases14 min

8.9.3. Acidity of Oxyacids4 min

8.10.1. Acidic, Basic, and Neutral Salts 8 min

8.10.2. Salts (Cntd.)3 min

8.10.3. Example1 min

8.10.4. Example5 min

8.10.5. Practice

8.10.6. Salts Cheatsheet

8.11.1. Strong Base + Strong Acid Reactions3 min

8.11.2. Strong Base + Weak Acid Reactions4 min

8.11.3. Weak Base + Strong Acid Reactions3 min

8.11.4. Practice9 min

8.12.1. Introduction to Buffers6 min

8.12.2. Buffers Problem Type 16 min

8.12.3. Example3 min

8.13.1. Buffers Problem Type 22 min

8.13.2. Example6 min

8.14.1. Buffers Problem Type 32 min

8.14.2. Example6 min

8.14.3. Practice

8.15.1. Forming Buffers6 min

8.15.2. Example2 min

8.15.3. Example4 min

8.16.1. Effective Buffer Range5 min

8.16.2. Practice2 min

8.17.1. Example5 min

8.18.1. Solubility8 min

8.18.2. Example: Ksp

8.18.3. Practice: Calculating Molar Solubility2 min

8.18.4. Practice: Solubility8 min

9. Electrochemistry (Ch 16)

3hr

9.1.1. Oxidation States7 min

9.1.2. Oxidation States - Additional Information5 min

9.1.3. Example3 min

9.1.4. Practice

9.1.5. Practice

9.2.1. Redox Reactions Theory8 min

9.2.2. Practice3 min

9.2.3. Practice49 sec

9.2.4. Practice

9.3.1. Balancing Redox Reactions-Half Reaction Method 18 min

9.3.2. Practice

9.4.1. Reduction Potentials 10 min

9.4.2. How Potentials Relate to Spontaneity 7 min

9.4.3. Example: Electrochemical Cell Practice 4 min

9.4.4. Practice: Strongest Reducing Agent3 min

9.5.1. Galvanic/Voltaic Cells13 min

9.5.2. Practice: Galvanic Cells44 sec

9.5.3. Practice: Galvanic Cells 5 min

9.5.4. Example: Will A Reaction Occur? 10 min

9.5.5. Example: Electrochemistry2 min

9.5.6. Practice: Electrochemistry2 min

9.6.1. Cell Diagram 2 min

9.6.2. Practice: Cell Diagram For An Electrochemical Cell

9.6.3. Practice: Electrochemical Cells6 min

9.7.1. Cell Potential Equations 2 min

9.7.2. Example: Solving for Keq and deltaGo 5 min

9.7.3. Practice: Electrochemistry II3 min

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

9.7.5. Example: Electrochemical Cell Practice with Equations11 min

9.7.6. Practice: Electrochemistry Equations

9.8.1. Types of Batteries 8 min

9.8.2. Rechargeable Batteries 13 min

9.8.3. Corrosion and Prevention11 min

9.8.4. Concentration Cells 15 min

9.9.1. Electrolytic Cells7 min

9.9.2. Faraday's Law of Electrolysis 5 min

9.9.3. Summary of Galvanic Vs Electrolytic Cell

9.9.4. G, E, and K Summary

Mock Exams

ME.1. Midterm 1 - Mock Assessment32 Qns

ME.2. Midterm 2 - Mock Assessment35 Qns

ME.3. Final Exam - Mock Assessment48 Qns

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Answered

Anonymous

Hi, I have noticed that the course material does not align with Fundamentals of Engineering Materials.

R

Rex H

Instructor

Hi Riz, 

Thank you for your response and sorry about your experience. We appreciate your feedback and we will review accordingly! 

Answered

A

Arsalan K

This is not 204 

W

Will D

Instructor

thanks for the heads up.  we'll make the correction.

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