Chemistry Videos
On this page I am posting videos of problem solving methods used in chemistry. I create these with a tablet and screen capture software. The results are in .mp4 format.
Lewis Structures
- The HONC rule
- Methane - CH4
- Ammonia - NH3
- Water - H2O
- Carbon dioxide - CO2
- Hydrogen cyanide - HCN
- Ethane - C2H6
- Ethyne - C2H2
- Formaldehyde - CH2O
Mole Conversion Problems
- Problem #1 - Converting Moles to Grams
- Problem #2 - Converting Grams to Moles
- Problem #3 - Converting Moles to Liters
- Problem #4 - Converting Liters to Moles
- Problem #5 - Converting Atoms to Moles
- Problem #6 - Converting Moles to Molecules
- Problem #7 - Converting Molecules to Grams
- Problem #8 - Converting Grams to Liters
Stoichiometry Problems
The solutions are from a sampling of problems from our Interactive Stoichiometry Problem Set.
- Problem #1 - Converting Moles to Moles
- Problem #4 - Converting Liters to Moles
- Problem #8 - Converting Grams to Moles
- Problem #10 - Converting Liters to Moles
- Problem #11 - Converting Liters to Liters
- Problem #15 - Converting Liters to Grams
These problems are from our practice benchmark.
- Problem #1 - Converting Moles to Moles
- Problem #2 - Converting Moles to Liters
- Problem #3 - Converting Grams to Moles
- Problem #4 - Converting Grams to Liters
- Problem #5 - Converting Moles to Grams
- Problem #6 - Converting Moles to Liters
- Problem #7 - Converting Grams to Liters
- Problem #8 - Converting Grams to Grams
Gas Law Problems
- Problem #1a - Boyle's law (P and V)
- Problem #2a - Boyle's law (P and V)
- Problem #1b - Charles' law (V and T)
- Problem #2b - Charles' law (V and T)
- Problem #1c - Gay Lussac's law (P and T)
- Problem #2c - Gay Lussac's law (P and T)
- Problem #1d - Combined law (P, V and T)
- Problem #2d - Combined law (P, V and T)
Calculations of Solution Concentration
- Problem #1 - Grams per Liter
- Problem #2 - Grams per Liter
- Problem #3 - Molarity
- Problem #4 - Molarity
- Problem #5 - Percent Composition
- Problem #6 - Percent Composition
- Problem #7 - Parts per Million (ppm)
- Problem #8 - Parts per Million (ppm)
- A Comparison of the Methods of Calculation
Thermochemical Calculations
- Problem #1 - Specific Heat
- Problem #2 - Specific Heat
- Problem #3 - Specific Heat
- Problem #4 - Specific Heat
- Problem #5 - Latent Heat
- Problem #6 - Latent Heat
- Problem #7 - Latent Heat
- Problem #8 - Latent Heat