The main goal of these videos is to help students review basic concepts at their own pace. Watch (and re-watch) videos on topics that you feel need extra emphasis. Please send suggestions for new videos that you would find helpful to abramsb at bu.edu. Check back periodically for updates...
1. Lab fundamentals
- (1.1) Effective Use of Lab Notebooks
- (1.2) Mean and standard deviation (and the "Real Sig fig rule")
- (1.3) Relative standard deviation
- (1.4) SI Units and Conversions
- (1.5) Significant figures 1 -- definition
- (1.6) Significant figures 2 -- rules
2. Working with solutions
3. Quantitative Analysis topics
- (3.1) Uncertainty in measurements
- (3.2) Titrations - Introduction
- (3.3) Propagation of uncertainty
- (3.4) Polyprotic acid titrations (1)
- (3.5) Polyprotic acid titrations (2) - critical points
- (3.6) Polyprotic acid titrations (3) - only one observed inflection
- (3.7) Linear regression in Excel using LINEST
- (3.8) Temperature vs time graphs for thermochemical measurements
- (3.9) Grubbs test for outliers
- (3.10) Confidence Intervals
- (3.11) Derivative plot calculations in Excel
- (3.12) Hydrates and drying
- (3.13) Precipitation and gravimetric analysis
4. Spectroscopy videos
- (4.1) Spectroscopy - Introduction
- Anatomy of a Spectrophotometer
- Colors of solutions
- Transmittance and Absorbance
- Beer’s Law - Introduction
- (4.2) Absorption and emission of light
- (4.3) Atomic vs molecular spectroscopy
- (4.4) Colors of solutions of complex ions
- (4.5) Molecular conjugation and absorption spectroscopy
- (4.6) Derivation of Beer's Law
5. General Chemistry concept videos
- (5.1) Balancing Redox Reactions
- (5.2) Freezing point depression
- (5.3) Freezing point depression - Van't Hoff Coefficient
- (5.4) Freezing point depression - Freezing curves
- (5.5) Equilibrium - Introduction
- (5.6) Equilibrium - Le Chatelier's Principle
- (5.7) Complex ions
- (5.8) Solubility Equilibria
- (5.9) Acid/base chemistry - The "pH scale"
- (5.10) Acid/base chemistry - Strong vs. weak acids
- (5.11) Weak acid equilibrium problem
- (5.12) Weak base equilibrium problem
- (5.13) Counting microstates
- (5.14) Differential rate laws
- (5.15) Integrated rate laws
- (5.16) Integrated rate laws and Half life
- (5.17) Michaelis-Menten Kinetics Introduction and Derivation
- (5.18) Drawing Lewis structures (and formal charge)
- (5.19) Approaching word problems
- (5.20) Limiting Reagent problems
- (5.21) Weak-acid titration - part 1 of 3 (only acid)
- (5.22) Weak-acid titration - part 2 of 3 (equivalence point)
- (5.23) Weak-acid titration - part 3 of 3 (buffer region)
- (5.24) Waves and light
- Heat and Heat of chemical reactions
- System versus surroundings in chemical reactions
- Introduction to Chemical Equilibrium (new)
- Q versus K (and Le Chatelier's Principle) (new)
- Heat and Le Chatelier's Principle (new)
6. NEW Series on Acid-base concepts
- Myths of the pH scale
- Strengths of acids and bases (strong, weak, and terrible)
- Conjugate acids and bases (And their strengths)
7. Writing concepts videos
- (7.1) Graphical Representation of Argument 1 -- Basics
- (7.2) Graphical Representation of Argument 2 -- More concepts
- (7.3) Basics of Experimental sections
- (7.4) Research Proposals
- (7.5) Group writing
8. Quantum concepts and Molecular Orbital theory
- (8.1) Introduction to polyatomic MO theory
- (8.2) Simulation of 1s to 2p in hydrogen atom
- MO diagrams- H2 (1)
- MO diagrams- F2 (2)
- MO diagrams- CN- (3)
- Bond order from MO diagrams
- Why Ne2 is not a molecule
9. Microsoft Excel and Word Tricks and Tips
- (9.1) Paste-special in Excel
- (9.2) Making a figure template in Excel
- (9.3) Preparing a captioned figure in Word
- (9.4) Grubbs analysis and confidence intervals in Excel
SOLVED! Series of Step-by-step Problems and Solutions
Other interesting videos
Recorded general chemistry lectures are posted here.