CHEM 1050

University of Guelph

Course Overview

Lessons & Practice

I. Welcome

1. 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

1.4.3. Practice

1.4.4. Practice

1.4.5. Practice

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. Thermodynamics

4hr

2.1.1. Thermodynamics4 min

2.1.2. State Variables 3 min

2.1.3. Example2 min

2.1.4. Extensive vs Intensive Properties 2 min

2.1.5. Additional Terminology5 min

2.1.6. 0th Law of Thermodynamics 3 min

2.2.1. The 1st Law of Thermodynamics7 min

2.2.2. Signs of Heat and Work & Calculating Work4 min

2.2.3. Example5 min

2.2.4. Practice1 min

2.2.5. Practice3 min

2.2.6. Expansion Due to Chemical Reaction8 min

2.2.7. Example4 min

2.2.8. Practice2 min

2.3.1. Heat Capacity and Calorimetry13 min

2.3.2. Example7 min

2.3.3. Example6 min

2.3.4. Practice56 sec

2.3.5. Practice10 min

2.3.6. Example7 min

2.3.7. Practice

2.4.1. Introduction to the Heat Curve15 min

2.4.2. Important Things to Know About the Heat Curve6 min

2.4.3. Example8 min

2.4.4. Practice

2.4.5. Practice

2.5.1. Hess’ Law5 min

2.5.2. Practice

2.5.3. Practice [challenging]1 min

2.6.1. Enthalpy of Reaction2 min

2.6.2. Example4 min

2.6.3. Heats of Formation6 min

2.6.5. Practice

2.6.6. Practice

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

2.7.2. Example7 min

2.7.3. Example3 min

2.7.4. Practice

2.7.5. Practice

2.8.1. Bond Energies4 min

2.8.3. Practice

2.9.1. Phase Transitions7 min

2.9.2. Practice

2.10.1. 2nd Law of Thermodynamics (Entropy)6 min

2.10.2. Factors Affecting Entropy Changes 10 min

2.10.3. Example1 min

2.10.4. Practice1 min

2.10.5. Practice4 min

2.11.1. 3rd Law of Thermodynamics1 min

2.11.2. Summary of the Laws of Thermodynamics

2.12.1. Gibbs Free Energy and Spontaneity2 min

2.12.2. Spontaneity 7 min

2.12.3. Example: Spontaneity of a Reaction

2.12.4. Predicting Spontaneity Based off Entropy2 min

2.13.1. Chemical Equilibrium and ΔG Equations5 min

2.13.2. DeltaGo and K 3 min

2.13.3. Example

2.13.4. Chemical Equilibrium and ΔG Practice

2.13.5. Chemical Equilibrium and ΔG Practice #2

2.13.6. Chemical Equilibrium and ΔG Practice #3

2.13.7. Van't Hoff Practice Problem

3. Electrochemistry

3hr

3.1.1. Oxidation States7 min

3.1.2. Oxidation States - Additional Information5 min

3.1.3. Example3 min

3.1.4. Practice

3.1.5. Practice

3.2.1. Redox Reactions Theory8 min

3.2.2. Practice3 min

3.2.3. Practice49 sec

3.2.4. Practice

3.3.1. Balancing Redox Reactions-Half Reaction Method 18 min

3.3.2. Practice

3.4.1. Reduction Potentials 10 min

3.4.2. How Potentials Relate to Spontaneity 7 min

3.4.3. Example: Electrochemical Cell Practice 4 min

3.4.4. Practice: Strongest Reducing Agent3 min

3.5.1. Galvanic/Voltaic Cells13 min

3.5.2. Practice: Galvanic Cells44 sec

3.5.3. Practice: Galvanic Cells 5 min

3.5.4. Example: Will A Reaction Occur? 10 min

3.5.5. Example: Electrochemistry2 min

3.5.6. Practice: Electrochemistry2 min

3.6.1. Cell Diagram 2 min

3.6.2. Practice: Cell Diagram For An Electrochemical Cell

3.6.3. Practice: Electrochemical Cells6 min

3.7.1. Cell Potential Equations 2 min

3.7.2. Example: Solving for Keq and deltaGo 5 min

3.7.3. Practice: Electrochemistry II3 min

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

3.7.5. Example: Electrochemical Cell Practice with Equations11 min

3.7.6. Practice: Electrochemistry Equations

3.8.1. Electrolytic Cells7 min

3.8.2. Faraday's Law of Electrolysis 5 min

3.8.3. Summary of Galvanic Vs Electrolytic Cell

3.8.4. G, E, and K Summary

3.9.1. Types of Batteries 8 min

3.9.2. Rechargeable Batteries 13 min

3.9.3. Corrosion and Prevention11 min

3.9.4. Concentration Cells 15 min

4. Chemical Kinetics

2.2hr

4.1.1. Introduction to Kinetics1 min

4.1.2. 3 Neccessary Steps For a Reaction to Occur 1 min

4.1.3. Collision Theory7 min

4.1.4. Collision Theory Represented By A Graph2 min

4.1.5. Transition State Theory 4 min

4.1.6. Reaction Rates 3 min

4.1.7. Measuring Reaction Rates4 min

4.1.8. Practice: Rate of Reaction6 min

4.1.9. Practice: Rate of Reaction5 min

4.2.1. Rate Laws2 min

4.2.2. Example: Determining Reaction Order44 sec

4.2.3. Determining the Rate Law From Experimental Data 10 min

4.2.4. Shortcut to Find Units of k Quicker 3 min

4.2.5. Practice: Experimental Rate Law 6 min

4.2.6. Practice: Determining Rate Law Exponents

4.2.7. Practice: Rate Law1 min

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

4.2.9. Integrated Rate Laws for Various Orders 7 min

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

4.2.11. Practice: Integrated Rate Laws Practice

4.2.12. Integrated Rate Laws Cheatsheet

4.2.13. First Order Reactions

4.2.14. Second Order Reactions

4.3.1. Arrhenius Equation1 min

4.3.2. Example: Arrhenius Equation

4.3.3. Example: Arrhenius Equation1 min

4.3.4. Practice: Arrhenius Equation

4.3.5. Additional Notes on the Arrhenius Equation 9 min

4.4.1. How Do We Measure Ea39 sec

4.4.2. Practice: Determining the Activation Energy39 sec

4.5.1. Reactions Mechanisms – Elementary Reactions4 min

4.5.2. Example: Reactions Mechanisms – Elementary Steps

4.5.3. Rate Determining Step Introduction 5 min

4.5.4. Example: Rate Determining Step14 min

4.5.5. Practice: Rate of A Reaction

4.5.6. Practice: Reaction Coordinate Diagram4 min

4.5.7. Practice: Mechanism

4.5.8. Steady State Approximation

4.5.9. Example: Steady State Approximation 11 min

4.6.1. Catalysts3 min

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

4.6.3. Example: Catalysts 224 sec

4.7.1. Half-life for Various Orders 4 min

4.7.2. Practice: Half-Life

4.7.3. Practice: Radioactive Decay in Smoke Detectors1 min

Mock Exams

ME.1. Midterm 135 Qns

ME.2. Midterm Test #1 - Mock Assessment35 Qns

ME.3. Midterm Test #2 - Mock Assessment20 Qns

ME.4. Final Exam - Mock Assessment81 Qns

CHEM 1050 Flashcards

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Atoms

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

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