CEM 141

MSU

Course Overview

Lessons & Practice

I. Welcome

1. Chapter 1: Atoms

1hr

1.1.1. The Atom and its Subatomic Particles4 min

1.1.2. Example4 min

1.1.3. Practice2 min

1.2.1. Isotopes and Atomic Mass5 min

1.2.2. Example2 min

1.2.3. Practice6 min

1.2.4. Practice9 min

1.3.1. The Periodic Table of Elements9 min

1.3.2. Practice2 min

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

1.4.2. Example7 min

1.4.3. Example3 min

1.4.4. Practice

1.4.5. Practice

1.5.1. Potential Energy & Internuclear Distance4 min

1.Q. Exam Practise & Problems5 Qns

2. Stoichiometry

2.5hr

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. Intro to Stoichiometry4 min

2.3.2. Stoichiometry: Putting it All Together6 min

2.3.3. Example5 min

2.3.4. Example6 min

2.3.5. Practice6 min

2.3.6. Practice7 min

2.4.1. Introduction to Limiting Reagents5 min

2.4.2. Example5 min

2.4.3. Example3 min

2.4.4. Example7 min

2.4.5. Practice3 min

2.5.1. Percent Yield 5 min

2.5.2. Example7 min

2.5.3. Practice5 min

2.5.4. Practice

2.6.1. Mass Percentage2 min

2.6.3. Practice

2.7.1. Empirical Vs Molecular Formulas1 min

2.8.1. Example #17 min

2.8.2. Example #25 min

2.8.3. Practice

2.8.4. Practice

2.9.1. Introduction to Combustion Reactions3 min

2.9.2. Determining Empirical Formulae from Combustion Reactions4 min

2.9.3. Example8 min

2.9.4. Practice

2.Q. Exam Practise & Problems7 Qns

3. Chapter 2 Electrons and Orbitals

9hr

3.1.1. Review of Previous Atomic Models 12 min

3.2.1. Electromagnetic Spectrum2 min

3.2.2. Photon Equations5 min

3.2.3. Photon Equations (Cntd.)9 min

3.2.4. Example4 min

3.2.5. Example3 min

3.2.6. Practice1 min

3.2.7. Practice4 min

3.3.1. Blackbody Radiation3 min

3.4.1. The Photoelectric Effect8 min

3.4.2. The Photoelectric Effect Equation11 min

3.4.3. Example5 min

3.4.4. Practice3 min

3.4.5. Practice5 min

3.5.1. The Basics of Absorption and Emission Spectra3 min

3.5.2. Bohr's Atomic Model 12 min

3.5.3. Absorption vs Emission of a Photon3 min

3.5.4. Example4 min

3.5.5. Example3 min

3.6.1. Bohr Model Equations8 min

3.6.2. Example4 min

3.6.3. Example8 min

3.6.4. Practice 6 min

3.7.1. The Bohr Model and Atomic Line Spectra7 min

3.7.2. Relating Electronic Transitions to Emission Spectra8 min

3.7.3. Example4 min

3.7.4. Practice

3.7.5. Practice1 min

3.8.1. Wave-Particle Duality 8 min

3.8.2. Example2 min

3.8.3. Practice

3.8.4. Practice3 min

3.9.1. The Bohr Model Vs The Quantum Model6 min

3.10.1. The Heisenberg Uncertainty Principle5 min

3.10.2. Example9 min

3.10.3. Practice4 min

3.11.1. Standing Waves & Particle in a 1-D Box5 min

3.11.2. Example

3.11.3. Example43 sec

3.11.4. Practice3 min

3.12.1. Schrodinger's Equation3 min

3.13.1. Quantum Numbers11 min

3.13.2. Quantum Numbers Cheatsheet

3.13.3. Example3 min

3.13.4. Example5 min

3.13.5. Example1 min

3.13.6. Practice1 min

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

3.14.2. Drawing Atomic Orbitals7 min

3.14.3. Example3 min

3.14.4. Practice

3.15.1. Angular and Radial Nodes10 min

3.15.2. Wave Properties of Electrons4 min

3.15.3. Plotting Radial Electron Probability8 min

3.15.4. Example3 min

3.15.5. Example3 min

3.15.6. Example2 min

3.15.7. Practice4 min

3.15.8. Nodes7 min

3.16.1. Relative Energies of Atomic Orbitals11 min

3.16.2. Rules for Orbital Filling10 min

3.16.3. Example2 min

3.16.4. Example1 min

3.16.5. Practice2 min

3.16.6. Practice

3.17.1. Electronic Configurations of Atoms11 min

3.17.2. Electron Configurastions Cheatsheet

3.17.3. Electron Configuration Exceptions5 min

3.17.4. Example3 min

3.17.5. Example3 min

3.17.6. Practice

3.17.7. Practice4 min

3.17.8. Practice

3.18.1. Electron Configurations of Ions of Main Group Elements9 min

3.18.2. Electron Configuration of Ions of Transition Elements2 min

3.18.3. Example5 min

3.18.4. Example5 min

3.18.5. Practice3 min

3.19.1. Diamagnetic Vs Paramagnetic 7 min

3.19.2. Example8 min

3.19.3. Practice

3.20.1. Ground State Vs Excited State Electron Configurations6 min

3.20.2. Example2 min

3.20.3. Example

3.20.4. Practice4 min

3.20.5. Practice5 min

3.21.1. Effective Nuclear Charge 9 min

3.21.2. Example1 min

3.21.3. Practice2 min

3.22.1. Atomic Radius7 min

3.22.2. Ionic Radius7 min

3.22.3. Example2 min

3.22.4. Example3 min

3.22.5. Practice1 min

3.23.1. Ionization Energy 5 min

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

3.23.3. Practice2 min

3.23.4. Practice2 min

3.23.5. Practice5 min

3.24.1. Electron Affinity 10 min

3.24.2. Example2 min

3.24.3. Practice2 min

3.24.4. Practice4 min

3.25.1. Electronegativity 4 min

3.25.2. Example47 sec

3.25.3. Practice3 min

3.26.1. Periodic Trends Theory2 min

3.26.2. Example5 min

3.26.3. Practice4 min

3.26.4. Practice7 min

3.26.5. Practice2 min

3.27.1. Exceptions to Periodic Trends Introduction3 min

3.27.2. Exceptions to Periodic Trends Examples10 min

3.27.3. Exceptions to Periodic Trends Summary2 min

3.27.4. Example3 min

3.27.5. Practice4 min

3.Q. Exam Practise & Problems14 Qns

4. Chapter 3: Elements, Bonding, and Physical Properties

3hr

4.1.1. Introduction to Hybridization5 min

4.1.2. Determining Hybridization7 min

4.1.3. Example8 min

4.1.4. Example4 min

4.1.5. Example: Determine the Hybridization on Carbon2 min

4.1.6. Practice

4.2.1. Introduction to Valence Bond Theory6 min

4.2.2. Valence Bond Theory and Hybridization11 min

4.2.3. Example: Valence Bond Description of O

_2

_2

4.2.4. Practice: Bonding in Methyldiazene1 min

4.2.5. Practice: Bonding in Methyldiazene Part 21 min

4.3.1. Sigma and Pi Bonds2 min

4.3.2. Sigma and Pi Bonds 3 min

4.3.3. Practice

4.4.1. Example: Drawing Orbital Overlap Diagrams7 min

4.4.2. Example: Valence Bond Description of Acetone6 min

4.5.1. sp3 Hybridization8 min

4.5.2. sp3 Hybridization - Example Problem4 min

4.5.3. sp2 Hybridization3 min

4.5.4. sp2 Hybridization - Example Problem2 min

4.5.5. sp Hybridization2 min

4.5.6. sp Hybridization - Example Problem2 min

4.5.7. Unhybridized p Orbitals7 min

4.5.8. Unhybridized p Orbitals - Example Problem4 min

4.5.9. dsp3 and d2sp3 Hybridization3 min

4.5.10. dsp3 Hybridization - Example Problem2 min

4.5.11. d2sp3 Hybridization - Example Problem2 min

4.5.12. Practice Question: Hybridization with d Orbitals3 min

4.6.1. Molecular Orbital Theory Introduction3 min

4.6.2. How to Draw MO Diagrams for Homonuclear Diatomics8 min

4.6.3. Example: Molecular Orbitals of Li

_2

4.6.4. Example: Molecular Orbitals of HeH

^+

4.6.5. Practice: Diamagnetic Diatomics2 min

4.6.6. Practice: MO Orbitals Problem2 min

4.6.7. Practice: Molecular orbital (Challenging Problem)

4.7.1. Molecular Orbital Theory 3 min

4.7.2. Drawing MO Diagrams5 min

4.7.3. Example: Molecular Orbital Theory Questions5 min

4.7.4. Practice: Bond Order2 min

4.8.1. Example: MO Diagrams of 2s Block Molecules2 min

4.8.2. MO Diagrams of 2p Block Molecules10 min

4.8.3. s-p Mixing in MO Diagrams6 min

4.8.4. Example: MO Diagrams with s-p Mixing5 min

4.8.5. MO Diagrams without s-p Mixing - Example Problem4 min

4.8.6. Practice Question: MO Diagrams of Homonuclear Diatomics6 min

4.8.7. Practice Question: MO Diagrams of Neutral and Ionic Diatomics4 min

4.9.1. MO Diagrams of p Heteronuclear Diatomics3 min

4.9.2. MO Diagrams of p and s Heteronuclear Diatomics5 min

4.9.3. Example: MO Diagrams of p Heteronuclear Diatomics2 min

4.9.4. Example: MO Diagrams of p and s Heteronuclear Diatomics3 min

4.9.5. Practice: MO Diagrams of Heteronuclear Diatomics2 min

4.10.1. Band Theory8 min

4.10.2. Metals, Semi-conductors and Insulators2 min

4.Q. Exam Practise & Problems9 Qns

5. Chapter 4: Heterogenous Compounds

7hr

5.1.1. Summary Sheet: Common Organic Functional Groups

5.1.2. Example: Functional Groups 2 min

5.2.1. Drawing Organic Compouds in 2D2 min

5.2.2. Example: 2-D Notation2 min

5.2.3. Example: 2-D Notation1 min

5.2.4. Summary Sheet: Representing Molecules in Different 2D Notation

5.2.5. Summary Sheet: Condensed Formula

5.3.1. Drawing Organic Compounds in 3D5 min

5.3.2. Example: 3-D Notation2 min

5.3.3. Example: 3-D Notation2 min

5.3.4. Summary Sheet: Drawing in 3-Dimensions

5.4.1. Chair Conformations4 min

5.4.2. Example: Chair Conformations60 sec

5.4.3. Example: Chair Conformations1 min

5.4.4. Practice: Chair Conformations2 min

5.5.1. IUPAC Systematic Naming Theory15 min

5.5.2. Example: Converting Names to Structures2 min

5.5.3. Example: IUPAC Systematic Naming2 min

5.5.4. Example: IUPAC Systematic Naming2 min

5.5.5. Practice: IUPAC Systematic Naming2 min

5.5.6. Practice: IUPAC Systematic Naming2 min

5.5.7. Summary Sheet: IUPAC Naming

5.6.1. Drawing Lewis Structures 17 min

5.6.2. Example11 min

5.6.3. Example7 min

5.6.4. Practice

5.6.5. Practice7 min

5.7.1. Lewis Structures of Acids2 min

5.7.2. Lewis Structures of Acids and Salts6 min

5.7.3. Example: Lewis Structures of Sulphuric Acid3 min

5.7.4. Practice: Acids and Salts2 min

5.8.1. Filling in a Skeletal Structure3 min

5.8.2. Example: Skeletal Structure 13 min

5.8.3. Practice: Organic Compounds3 min

5.8.4. Practice: Skeletal Structure 232 sec

5.8.5. Practice: Benzene Derivatives 24 min

5.9.1. VSEPR Theory20 min

5.9.2. Example10 min

5.9.3. Example6 min

5.9.4. Practice

5.9.5. Practice

5.9.6. VSEPR and Molecular Shapes Cheatsheet

5.10.1. Review of Polar Covalent Bonds

5.10.2. Molecular Polarity 8 min

5.10.3. Example8 min

5.10.4. Practice

5.10.5. Practice3 min

5.11.1. VSEPR Theory for Organic Compounds4 min

5.11.2. VSEPR Shapes for Organic Compounds - Example Problem2 min

5.11.3. Practice Question: VSEPR Theory for Organic Compounds2 min

5.11.4. Practice Question 2: VSEPR Theory for Organic Compounds3 min

5.12.1. What is Organic Chemistry?

5.12.2. 5 Ways to Represent Alkane Structures5 min

5.12.3. Line Bond Drawing6 min

5.12.4. A Closer Look at Line Drawings

5.12.5. Example

5.13.1. Introduction to Hydrocarbons7 min

5.13.2. Cyclic Hydrocarbons56 sec

5.13.3. Hydrocarbons2 min

5.14.1. Introduction to Functional Groups 12 min

5.14.2. Functional Groups3 min

5.14.3. Example

5.14.4. Example

5.14.5. Practice

5.14.6. Practice

5.14.7. Practice3 min

5.14.8. Functional Groups Cheatsheet

5.15.1. Properties of Hydrocarbons10 min

5.15.2. Summary of Properties (Polarity)2 min

5.15.3. Practice

5.16.1. Naming Simple Hydrocarbons4 min

5.16.2. Nomenclature Cheatsheet

5.16.3. Example

5.16.4. Example2 min

5.16.5. Practice

5.16.6. Practice

5.17.1. Functional Groups12 min

5.17.2. Steps to Naming Complex Organic Molecules4 min

5.17.3. Naming Organic Molecules with Odd Functional Groups2 min

5.17.4. Example

5.17.5. Practice

5.17.6. Practice

5.17.7. Functional Group Parent Names Cheatsheet

5.18.1. Constitutional Isomers

5.18.2. Example4 min

5.18.3. Practice

5.18.4. Practice

5.18.5. Practice

5.19.1. Conformational Isomers

5.19.2. Newman Projections3 min

5.19.3. Example

5.19.4. Anti vs Gauche Interactions3 min

5.19.5. Example2 min

5.19.6. Practice

5.19.7. Practice

5.20.1. Geometric or Cis/Trans Isomers6 min

5.20.2. Example: Geometric Isomers4 min

5.20.3. Practice: Geometric Isomers 2 min

5.21.1. Introduction to Intramolecular Bonds4 min

5.21.2. Types of Intramolecular Bonds14 min

5.21.3. Example2 min

5.21.4. Example6 min

5.21.5. Practice2 min

5.21.6. Practice

5.22.1. Properties of Covalent Bonds11 min

5.22.2. Example

5.22.3. Practice4 min

5.23.1. Bond Energies4 min

5.23.2. Practice

5.24.1. Intramolecular vs Intermolecular Forces5 min

5.24.2. Intermolecular Forces Theory15 min

5.24.3. Example

5.24.4. Example

5.24.5. Practice9 min

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

5.25.2. Strength of Intermolecular Forces Cheatsheet

5.25.3. Example4 min

5.25.4. Example4 min

5.25.5. Practice

5.25.6. Practice

5.26.1. Phases of Matter3 min

5.26.2. Intermolecular Forces and Boiling Point11 min

5.26.3. Other Physical Properties and Intermolecular Forces6 min

5.26.4. Example9 min

5.26.5. Example4 min

5.26.6. Practice

5.26.7. Practice

5.Q. Checkpoint Quiz15 Qns

6. Chapter 5 Systems Thinking

7hr

6.1.1. Thermodynamics4 min

6.1.2. State Variables 3 min

6.1.3. Example2 min

6.1.4. Extensive vs Intensive Properties 2 min

6.1.5. Additional Terminology5 min

6.2.1. 0th Law of Thermodynamics 3 min

6.3.1. The 1st Law of Thermodynamics7 min

6.3.2. Signs of Heat and Work & Calculating Work4 min

6.3.3. Example5 min

6.3.4. Practice1 min

6.3.5. Practice3 min

6.4.1. Expansion Due to Chemical Reaction8 min

6.4.2. Example4 min

6.4.3. Practice2 min

6.5.1. Calorimetry12 min

6.5.2. Heat Capacity of Ideal Gases2 min

6.5.3. Practice3 min

6.5.4. Practice

6.6.1. Heat Capacity and Calorimetry13 min

6.6.2. Example7 min

6.6.3. Example6 min

6.6.4. Practice56 sec

6.6.5. Practice10 min

6.6.6. Example7 min

6.6.7. Practice

6.7.1. Enthalpy of Reaction2 min

6.7.2. Example4 min

6.8.1. Heats of Formation6 min

6.8.3. Practice

6.8.4. Practice

6.9.1. Bond Energies4 min

6.9.3. Practice

6.10.1. Hess’ Law5 min

6.10.2. Practice

6.10.3. Practice [challenging]1 min

6.11.1. Phases of Matter3 min

6.12.1. The Ideal Gas Law5 min

6.12.2. Example2 min

6.12.3. Example7 min

6.12.4. Practice8 min

6.13.1. Gas Laws11 min

6.13.2. Example5 min

6.13.3. Practice3 min

6.13.4. Practice

6.14.1. Real Gases and the Van der Waals Equation16 min

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

6.14.3. Example4 min

6.14.4. Example

6.14.5. Practice

6.15.1. Gas Mixtures & Partial Pressures6 min

6.15.2. Example2 min

6.15.3. Practice4 min

6.15.4. Practice

6.16.1. Kinetic Molecular Theory 7 min

6.16.2. Kinetic Molecular Theory5 min

6.16.3. Kinetic Molecular Theory

6.16.4. Kinetic Molecular Theory

6.17.1. Diffusion & Effusion7 min

6.17.2. Practice4 min

6.17.3. Practice

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

6.18.2. Root Mean Squared Speed Equation3 min

6.18.3. Example5 min

6.18.4. Example5 min

6.18.5. Practice1 min

6.18.6. Practice

6.19.1. Phase Transitions7 min

6.19.2. Practice

6.20.1. Introduction to the Heat Curve15 min

6.20.2. Important Things to Know About the Heat Curve6 min

6.20.3. Example8 min

6.20.4. Practice

6.20.5. Practice

6.21.1. Phase Diagrams13 min

6.21.2. Extra Low Yield Information for Phase Diagrams4 min

6.21.3. Example4 min

6.21.4. Practice

6.21.5. Example5 min

6.21.6. Practice

6.22.1. 2nd Law of Thermodynamics (Entropy)6 min

6.22.2. Factors Affecting Entropy Changes 10 min

6.22.3. Example1 min

6.22.4. Practice1 min

6.22.5. Practice4 min

6.23.1. Additional Equations for Entropy

6.23.2. Example: Entropy Calculation3 min

6.23.3. Example: Entropy Calculation9 min

6.24.1. 3rd Law of Thermodynamics1 min

6.24.2. Summary of the Laws of Thermodynamics

6.25.1. Gibbs Free Energy and Spontaneity2 min

6.25.2. Spontaneity 7 min

6.25.3. Example: Spontaneity of a Reaction

6.25.4. Predicting Spontaneity Based off Entropy2 min

6.26.1. Chemical Equilibrium and ΔG Equations5 min

6.26.2. DeltaGo and K 3 min

6.26.3. Example

6.26.4. Chemical Equilibrium and ΔG Practice

6.26.5. Chemical Equilibrium and ΔG Practice #2

6.26.6. Chemical Equilibrium and ΔG Practice #3

6.26.7. Van't Hoff Practice Problem

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

6.27.2. Spontaneity 7 min

6.27.3. Example: Spontaneity of a Reaction

6.27.4. Predicting Spontaneity Based off Entropy2 min

6.28.1. Chemical Equilibrium and ΔG Equations5 min

6.28.2. DeltaGo and K 3 min

6.28.3. Example

6.28.4. Chemical Equilibrium and ΔG Practice

6.28.5. Chemical Equilibrium and ΔG Practice #2

6.28.6. Chemical Equilibrium and ΔG Practice #3

6.28.7. Van't Hoff Practice Problem

Mock Exams

ME.1. In-Term Exam 1 - Mock Assessment29 Qns

ME.2. In-Term Exam 2 - Mock Assessment25 Qns

ME.3. In-Term Exam 3 - Mock Assessment30 Qns

ME.4. Final - Exam-Like Practice Problem Set88 Qns

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