ap chemistry - empirical & molecular formulas
originally streamed in 2019 with Mónica GracidaTeachercovered in this stream
timestamps
- 0:00
Introduction and Overview
- 0:32
Ionic and Covalent Compounds
- 1:03
Ionic Compounds Explained
- 1:33
Sodium Chloride Example
- 2:05
Covalent Compounds Defined
- 2:37
Covalent Compound Examples
- 3:08
Ionic vs Covalent Differences
- 3:38
Empirical and Molecular Formulas
- 4:08
Formula Examples
- 4:40
Law of Definite Proportions
- 5:11
Percent Composition Calculation
- 5:42
Water Percent Composition
- 6:45
Iron III Oxide Example
- 7:48
Empirical from Percent Composition
- 8:49
Molecular Formula Example
- 9:51
Finding Empirical Ratio
- 10:23
Empirical to Molecular Ratio
- 10:57
Combustion Analysis Introduction
- 11:29
Hydrocarbon Combustion Products
- 12:33
Combustion Example Setup
- 13:36
Carbon from CO2 Calculation
- 14:08
Hydrogen from H2O Calculation
- 15:10
Oxygen by Subtraction
- 15:43
Convert Grams to Moles
- 16:16
Empirical Formula Derivation
- 16:46
Molecular Formula Calculation
- 17:19
Empirical for Covalent Only
- 17:55
Percent Composition Recap
- 18:27
Water Percentage Example
- 18:57
Closing Remarks
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