CHEM 112B

Queen's

Course Overview

Lessons & Practice

I. Welcome

1. Thermodynamics Part 2: (2nd Law-entropy, 3rd Law, Gibbs Free Energy, Spontaneity)

1.1hr

1.1.1. 2nd Law of Thermodynamics (Entropy)6 min

1.1.2. Factors Affecting Entropy Changes 10 min

1.1.3. Example1 min

1.1.4. Practice1 min

1.1.5. Practice4 min

1.2.1. Additional Equations for Entropy

1.2.2. Example: Entropy Calculation3 min

1.2.3. Example: Entropy Calculation9 min

1.3.1. 3rd Law of Thermodynamics1 min

1.3.2. Summary of the Laws of Thermodynamics

1.4.1. Gibbs Free Energy and Spontaneity2 min

1.4.2. Spontaneity 7 min

1.4.3. Example: Spontaneity of a Reaction

1.4.4. Predicting Spontaneity Based off Entropy2 min

1.5.1. Chemical Equilibrium and ΔG Equations5 min

1.5.2. DeltaGo and K 3 min

1.5.4. Chemical Equilibrium and ΔG Practice

1.5.5. Chemical Equilibrium and ΔG Practice #2

1.5.6. Chemical Equilibrium and ΔG Practice #3

1.5.7. Van't Hoff Practice Problem

2. Chemical Reactions

1.9hr

2.1.1. Combustion Reactions3 min

2.1.2. Classifying Reactions4 min

2.2.1. Solubility Chart 8 min

2.2.2. Example5 min

2.2.3. Example5 min

2.2.4. Practice

2.3.1. Definitions of Acids and Bases 3 min

2.3.2. Acids 2 min

2.3.3. Bases2 min

2.3.4. Neutralization Reactions

2.4.1. Three Ways to Write Out Chemical Reactions11 min

2.4.2. Practice

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

2.5.1. Electrical Conductivity of Aqueous Solutions 4 min

2.6.1. Titration Problem Introduction4 min

2.6.2. Example7 min

2.7.1. Oxidation States7 min

2.7.2. Oxidation States - Additional Information5 min

2.7.3. Example3 min

2.7.4. Practice

2.7.5. Practice

2.8.1. Redox Reactions Theory8 min

2.8.2. Practice3 min

2.8.3. Practice49 sec

2.8.4. Practice

2.9.1. Balancing Redox Reactions-Half Reaction Method 18 min

2.9.2. Practice

3. Equilibrium

2.6hr

3.I. Chapter Intro3 min

3.1.1. Introduction to Equilibrium 2 min

3.1.2. Understanding Equilibrium3 min

3.2.1. Concentration vs Time Graphs4 min

3.2.2. Practice3 min

3.2.3. Practice6 min

3.3.1. Equilibrium Constant (K)10 min

3.3.2. The Magnitude of the Equilibrium Constant, K8 min

3.3.3. Practice2 min

3.3.4. Practice4 min

3.4.1. Manipulating Equilibrium Constants5 min

3.4.2. Practice7 min

3.5.1. Solving for Kc vs Kp 5 min

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

3.6.2. Example4 min

3.6.3. Practice3 min

3.6.4. Practice

3.7.1. Le Chatelier's Priniciple14 min

3.7.2. Practice6 min

3.7.3. Practice

3.8.1. Changes to Concentration Time Graphs Based on Changes To The System11 min

3.8.2. Le Châtelier's Principle - Change in Concentration2 min

3.8.3. Le Châtelier's Principle - Change in Volume/Pressure3 min

3.8.4. Le Châtelier's Principle - Change in Temperature3 min

3.8.5. Le Châtelier's Principle - Other2 min

3.9.1. Intro to ICE Tables

3.9.2. Example 19 min

3.9.3. Example 29 min

3.9.4. Example 33 min

3.9.5. Example 49 min

3.9.6. Example 512 min

3.Q. Exam Practise & Problems9 Qns

4. Acids and Bases

2.5hr

4.I. Chapter Intro4 min

4.1.1. Definitions of Acids and Bases 10 min

4.2.1. Identifying Conjugate Acid and Base Pairs 7 min

4.2.2. Practice2 min

4.3.1. pH Scale 7 min

4.3.2. Example2 min

4.3.3. Example6 min

4.3.4. Practice

4.4.1. Acids and their Equations7 min

4.4.2. Practice4 min

4.4.3. Acids With Different Numbers of Protons5 min

4.5.1. Bases and their Equations6 min

4.6.2. Example21 min

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

4.7.1. Autoionization of Water (Kw) 6 min

4.7.2. Practice

4.7.3. Example2 min

4.7.4. Example6 min

4.7.5. pH Scale 7 min

4.8.1. Percent Ionization or Dissociation2 min

4.8.2. Example7 min

4.9.1. Acid Base Equations Cheatsheet

4.9.2. Acid/Base Important Relationships Cheatsheet

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

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

4.10.3. Acidity of Oxyacids4 min

4.11.1. Acidic, Basic, and Neutral Salts 8 min

4.11.2. Salts (Cntd.)3 min

4.11.3. Example1 min

4.11.4. Example5 min

4.11.5. Practice

4.11.6. Salts Cheatsheet

5. Buffers and Titrations

2.8hr

5.1.1. Strong Base + Strong Acid Reactions3 min

5.1.2. Strong Base + Weak Acid Reactions4 min

5.1.3. Weak Base + Strong Acid Reactions3 min

5.1.4. Practice9 min

5.2.1. Introduction to Buffers6 min

5.2.2. Buffers Problem Type 16 min

5.2.3. Example3 min

5.3.1. Buffers Problem Type 22 min

5.3.2. Example6 min

5.4.1. Buffers Problem Type 32 min

5.4.2. Example6 min

5.4.3. Practice

5.5.1. Forming Buffers6 min

5.5.2. Example2 min

5.5.3. Example4 min

5.6.1. Effective Buffer Range5 min

5.6.2. Practice2 min

5.7.1. Example5 min

5.8.1. Introduction to Titrations 5 min

5.8.2. Labeling a Titration Curve9 min

5.8.3. Titration Curves17 min

5.8.4. Practice

5.9.1. Example (Challenging)19 min

5.9.2. Example (Challenging)37 min

5.10.1. Indicators8 min

5.10.2. Practice

6. Solubility

1.3hr

6.1.1. Solubility8 min

6.1.2. Example: Ksp

6.1.3. Practice: Calculating Molar Solubility2 min

6.1.4. Practice: Solubility8 min

6.2.1. Solubility Chart 8 min

6.2.2. Q vs K to Predict Solubility5 min

6.2.3. Solubility Products3 min

6.2.4. Example5 min

6.2.5. Example5 min

6.2.6. Example: Will A Precipitate Form?16 min

6.2.7. Practice: Solubility and Equilibrium3 min

6.2.8. Practice

6.3.1. Factors that Affect Solubility2 min

6.3.2. Common-ion Effect Introduction4 min

6.3.3. Common-ion Effect Problem 7 min

6.3.4. common-ion effect

6.3.5. Practice: Molar Solubility

6.3.6. Practice: Ranking Solubility2 min

7. Electrochemistry

3hr

7.1.1. Oxidation States7 min

7.1.2. Oxidation States - Additional Information5 min

7.1.3. Example3 min

7.1.4. Practice

7.1.5. Practice

7.2.1. Redox Reactions Theory8 min

7.2.2. Practice3 min

7.2.3. Practice49 sec

7.2.4. Practice

7.3.1. Balancing Redox Reactions-Half Reaction Method 18 min

7.3.2. Practice

7.4.1. Reduction Potentials 10 min

7.4.2. How Potentials Relate to Spontaneity 7 min

7.4.3. Example: Electrochemical Cell Practice 4 min

7.4.4. Practice: Strongest Reducing Agent3 min

7.5.1. Galvanic/Voltaic Cells13 min

7.5.2. Practice: Galvanic Cells44 sec

7.5.3. Practice: Galvanic Cells 5 min

7.5.4. Example: Will A Reaction Occur? 10 min

7.5.5. Example: Electrochemistry2 min

7.5.6. Practice: Electrochemistry2 min

7.6.1. Cell Diagram 2 min

7.6.2. Practice: Cell Diagram For An Electrochemical Cell

7.6.3. Practice: Electrochemical Cells6 min

7.7.1. Cell Potential Equations 2 min

7.7.2. Example: Solving for Keq and deltaGo 5 min

7.7.3. Practice: Electrochemistry II3 min

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

7.7.5. Example: Electrochemical Cell Practice with Equations11 min

7.7.6. Practice: Electrochemistry Equations

7.8.1. Types of Batteries 8 min

7.8.2. Rechargeable Batteries 13 min

7.8.3. Corrosion and Prevention11 min

7.8.4. Concentration Cells 15 min

7.9.1. Electrolytic Cells7 min

7.9.2. Faraday's Law of Electrolysis 5 min

7.9.3. Summary of Galvanic Vs Electrolytic Cell

7.9.4. G, E, and K Summary

8. Introduction to Organic Chemistry

2.3hr

8.1.1. What is Organic Chemistry?

8.1.2. 5 Ways to Represent Alkane Structures5 min

8.1.3. Line Bond Drawing6 min

8.1.4. A Closer Look at Line Drawings

8.2.1. Introduction to Hydrocarbons7 min

8.2.2. Cyclic Hydrocarbons56 sec

8.2.3. Hydrocarbons2 min

8.3.1. Introduction to Functional Groups 12 min

8.3.2. Functional Groups3 min

8.3.5. Practice

8.3.6. Practice

8.3.7. Practice3 min

8.3.8. Functional Groups Cheatsheet

8.4.1. Properties of Hydrocarbons10 min

8.4.2. Summary of Properties (Polarity)2 min

8.4.3. Practice

8.5.1. IR Spectroscopy

8.5.2. Example1 min

8.5.3. Practice

8.5.4. Practice

8.5.5. Practice

8.5.6. Infrared Spectroscopy Cheatsheet

8.6.1. Naming Simple Hydrocarbons4 min

8.6.2. Nomenclature Cheatsheet

8.6.4. Example2 min

8.6.5. Practice

8.6.6. Practice

8.7.1. Functional Groups12 min

8.7.2. Steps to Naming Complex Organic Molecules4 min

8.7.3. Naming Organic Molecules with Odd Functional Groups2 min

8.7.5. Practice

8.7.6. Practice

8.7.7. Functional Group Parent Names Cheatsheet

8.8.1. Constitutional Isomers

8.8.2. Example4 min

8.8.3. Practice

8.8.4. Practice

8.8.5. Practice

8.9.1. Confirmations and Stereochemistry Introduction1 min

8.9.2. Cis vs Trans4 min

8.9.3. Example3 min

8.9.4. Practice

8.10.1. Chirality5 min

8.10.2. Example

8.10.3. Practice2 min

8.11.1. Conformational Isomers

8.11.2. Newman Projections3 min

8.11.3. Example

8.11.4. Anti vs Gauche Interactions3 min

8.11.5. Example2 min

8.11.6. Practice

8.11.7. Practice

8.12.1. Unrelated vs Diastereomers vs Enantiomers vs Identical5 min

8.12.2. Practice

8.13.1. Isomerism7 min

8.13.2. Example6 min

8.13.3. Isomers in Summary

8.13.4. Isomer Summary

8.14.1. Introduction to Polymers1 min

8.14.2. Addition Polymerization3 min

8.14.3. Condensation Polymerization6 min

8.14.4. Practice2 min

8.15.1. Polymerization Reactions2 min

8.15.2. Example2 min

8.15.3. Practice

8.15.4. Practice41 sec

9. Organic Chemistry Reactions

47min

9.1.1. General Types of Organic Reactions2 min

9.1.2. Nucleophiles and Electrophiles1 min

9.2.1. General Nucleophilic Substitution Reactions2 min

9.2.2. Concept Clarifier

9.3.1. The SN2 Mechanism4 min

9.3.2. SN2 Product Prediction Concept Clarifier

9.3.3. Factors that Favour an SN2 Mechanism3 min

9.3.4. Favouring SN2 Concept Clarifier

9.4.1. The SN1 Mechanism4 min

9.4.2. Factors that Favour SN1 Mechanisms3 min

9.4.3. Favouring SN1 Concept Clarifier

9.5.1. Predicting the Mechanism of Nucleophilic Substitution Reactions Practice Question

9.5.2. Nuclophilic Subsitution Practice Question3 min

9.6.1. Elimination Reactions2 min

9.6.2. Factors which affect E1/E2 Eliminations3 min

9.6.3. Predicting Elimination Mechanisms

9.7.1. Addition to Alkenes and alkynes3 min

9.7.2. Markovnikov's Rule1 min

9.7.3. Predict the Products Alkene Addition

9.7.4. Alkene Addition Practice Problem

9.7.5. Alkyne Reductions2 min

9.7.6. Example: Alkene and Alkyne Additions3 min

9.7.7. Alkyne Reduction

9.7.8. Practice: Bromine Addition Problem

9.8.1. Electrophilic Aromatic Substitution3 min

9.9.1. Chain Reactions2 min

9.9.2. Alkane Halogenation4 min

9.9.3. Halogenation

9.9.4. Alkane Halogenation Practice Question

9.10.1. Condensation Reactions3 min

9.10.2. Practice: Condensation Reactions 1

9.10.3. Practice: Condensation Reactions 2

10. Kinetics

2.4hr

10.1.1. Introduction to Kinetics1 min

10.2.1. Reaction Rates 3 min

10.2.2. Measuring Reaction Rates4 min

10.2.3. Practice: Rate of Reaction6 min

10.2.4. 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. Half-life for Various Orders 4 min

10.5.2. Practice: Half-Life

10.5.3. Practice: Radioactive Decay in Smoke Detectors1 min

10.6.1. Arrhenius Equation1 min

10.6.2. Example: Arrhenius Equation

10.6.3. Example: Arrhenius Equation1 min

10.6.4. Practice: Arrhenius Equation

10.7.1. How Do We Measure Ea39 sec

10.7.2. Practice: Determining the Activation Energy39 sec

10.8.1. 3 Neccessary Steps For a Reaction to Occur 1 min

10.8.2. Collision Theory7 min

10.8.3. Collision Theory Represented By A Graph2 min

10.8.4. Transition State Theory 4 min

10.8.5. Additional Notes on the Arrhenius Equation 9 min

10.9.1. Reactions Mechanisms – Elementary Reactions4 min

10.9.2. Example: Reactions Mechanisms – Elementary Steps

10.9.3. Rate Determining Step Introduction 5 min

10.9.4. Example: Rate Determining Step14 min

10.9.5. Practice: Rate of A Reaction

10.9.6. Practice: Reaction Coordinate Diagram4 min

10.9.7. Practice: Mechanism

10.10.1. Catalysts3 min

10.10.2. Enzymes4 min

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

10.10.4. Example: Catalysts 224 sec

10.11.1. Steady State Approximation

10.11.2. Example: Steady State Approximation 11 min

10.12.1. Pre-Equilibrium4 min

10.12.2. Practice: Pre-Equilibrium

Mock Exam

ME.1. Final Exam - Mock Assessment51 Qns

CHEM 112B Flashcards

1/211

Entropy

A measure of the disorder or randomness in a system.

Space bar

→ Right arrow

Want a tour?