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CHEM 121
SFU
Course Overview
Lessons & Practice
I. Welcome Note
1 min1. Atoms, Molecules, and Ions (Ch.2)
1.2hr2. Stoichiometry (Ch.3)
2.1hr2.5.1. Balancing Reactions3 min2.5.2. Example3 min2.5.3. Stoichiometric Calculations: Amounts of Reactants and Products8 min2.5.4. Stoichiometry: Putting it All Together6 min2.5.5. Example5 min2.5.6. Example6 min2.5.7. Practice6 min2.5.8. Practice7 min2.5.9. Polyatomic Ions 1 min2.5.10. Example1 min2.5.11. Practice4 min
3. Types of Chemical Reactions (Ch.4)
2.2hr4. Gases (Ch.5)
2.5hr5. Thermodynamics (1st law, Enthalpy and Calorimetry) (Ch.9)
2.2hr6. Quantum Mechanics and Atomic Theory (Ch.12)
3hr7. Quantum Mechanics and Atomic Theory (Ch.12)
3hr8. Periodic Table Trends (Ch.12)
1.9hr9. Bonding: General Concepts (Ch.13)
4hr10. Covalent Bonding: Orbitals (Ch.14)
1.7hr10.5.1. sp3 Hybridization8 min10.5.2. sp3 Hybridization - Example Problem4 min10.5.3. sp2 Hybridization3 min10.5.4. sp2 Hybridization - Example Problem2 min10.5.5. sp Hybridization2 min10.5.6. sp Hybridization - Example Problem2 min10.5.7. Unhybridized p Orbitals7 min10.5.8. Unhybridized p Orbitals - Example Problem4 min10.5.9. dsp3 and d2sp3 Hybridization3 min10.5.10. dsp3 Hybridization - Example Problem2 min10.5.11. d2sp3 Hybridization - Example Problem2 min10.5.12. Practice Question: Hybridization with d Orbitals3 min
11. Molecular Orbital (MO) Theory (Ch.14)
1.4hr11.1.1. Introduction to Molecular Orbital (MO) Theory 3 min11.1.2. How to Draw MO Diagrams for Homonuclear Diatomics8 min11.1.3. Example: Molecular Orbitals of Li2 min11.1.4. Example: Molecular Orbitals of HeH3 min11.1.5. Practice: Diamagnetic Diatomics2 min11.1.6. Practice: MO Orbitals Problem2 min11.1.7. Practice: Molecular orbital (Challenging Problem)
11.3.1. Example: MO Diagrams of 2s Block Molecules2 min11.3.2. MO Diagrams of 2p Block Molecules10 min11.3.3. s-p Mixing in MO Diagrams6 min11.3.4. Example: MO Diagrams with s-p Mixing5 min11.3.5. MO Diagrams without s-p Mixing - Example Problem4 min11.3.6. Practice Question: MO Diagrams of Homonuclear Diatomics6 min11.3.7. Practice Question: MO Diagrams of Neutral and Ionic Diatomics4 min
11.4.1. MO Diagrams of p Heteronuclear Diatomics3 min11.4.2. MO Diagrams of p and s Heteronuclear Diatomics5 min11.4.3. Example: MO Diagrams of p Heteronuclear Diatomics2 min11.4.4. Example: MO Diagrams of p and s Heteronuclear Diatomics3 min11.4.5. Practice: MO Diagrams of Heteronuclear Diatomics2 min
12. Molecular Spectroscopy (Ch.14)
1.9hr13. Liquids and Solids (Ch.16)
2.9hr14. Properties of Solutions (Ch.17)
49min15. Nuclear Science (Ch.20)
34min16. Extra Topics for CHEM 121-D200
2.1hr16.1.1. Introduction to Equilibrium and Dynamic Equilibrium2 min16.1.2. Concentration vs Time Graphs4 min16.1.3. Practice3 min16.1.4. Practice6 min16.1.5. Equilibrium Constant (K)10 min16.1.6. Manipulating Equilibrium Constants5 min16.1.7. Practice7 min16.1.8. Solving for Kc vs Kp 5 min16.1.9. Predicting Equilibria: The Reaction Quotient (Q) 6 min16.1.10. Example4 min16.1.11. Le Chatelier's Priniciple14 min16.1.12. Practice6 min
CHEM 121 Overview
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Welcome to CHEM 121! This on-demand course was put together especially for CHEM 121 at SFU. Use the video lessons and notes to understand your lecture topics better, and the practice questions to cement your knowledge. And don't hesitate to leave a question in the Q&A box under each lesson if you need additional help with anything. Happy studying!
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