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Chapter 1: Basic Concepts (78 videos)

1.1: Atom
1. Atom
2. Evidence of Atoms
3. Molecule
4. Ion
5. Molecular ion
6. Molecular Ion
1.2: Relative Atomic Mass
1. Relative Atomic Mass in Grams
2. Calculating the Average Atomic Mass
1.3: Significant Figures
1. Introduction to Significant Figures
2. Rules to Find the Significant Digits in a Measurement
3. Zero as Significant Figure
4. Rounding Off the Numbers
5. Rounding Off the Numbers (continued)
6. Addition and Subtraction of Significant Figures
7. Introduction to Scientific Notation
1.4: Use of Exponents
1. Logarithm Definition
2. Characteristic & Mantissa of Logarithm
3. How to Find Characteristic of Given Number
4. Finding Mantissa of Number by Log Table
5. Introduction to Anti-Logarithms
6. Common Logarithm
7. Product Law of Logarithm
8. Power Law of Logarithm
9. Quotient Law of Logarithm
10. Applications of Logarithm Laws in Calculations
11. Errors and Uncertainty in Measurement
1.5: Isotopes
1. Isotopes
2. More on Isotopes
3. Relative Abundance of Isotopes
4. Determination of Ar of Isotopes by Mass Spectrometry
5. More on Determination of Ar of Isotopes
6. Average Atomic Masses
7. Calculate Percentage Abundance
1.6: Analysis of a Compound
1. The Percentage Composition of Elements in a Molecule
2. The Percentage Composition of Sodium Carbonate crystal
3. Empirical formula
4. Empirical formula-covalent and ionic compound
5. The Empirical Formula from the Percentage Composition
6. Empirical Formula from Combustion Analysis
7. Empirical Formula from Combustion Analysis (continued)
8. Molecular formula
9. More on Molecular Formula
10. Calculating Percentage Composition
11. Calculating Empirical Formula from Combustion Analysis
12. Determining Empirical Formula of a Compound
1.7: Concept of Mole
1. Mole
2. More on Concept of Mole
3. Relative Atomic Mass in Grams
4. Relative Molecular Mass in Grams
5. Relative Formula Mass in Grams
6. Avagadro's Number
7. More on Avogadro's Number
8. Determination of Mass of Hydrogen atom
9. Molar Gas Volume
10. Calculations of Molar Gas Volume
11. Mole-Mass Calculations
12. Representative particles
1.8: Stoichiometry
1. Stoichiometry
2. Stoichiometric Calculations
3. Calculations Based on Balanced Chemical Equations
4. The Percentage Composition of Elements in a Molecule
5. Mole-Mass Calculations
6. Calculating Moles from Mass
7. Calculating Mass from Moles
8. Calculating Mass in Grams and Moles
9. Mole-Particle Calculations
10. More on Mole-Particle Calculations
11. Calculating Mass in Grams of a Single Atom
12. Calculating Number of Ions in the Compounds
13. Calculating Number of Particles from Mass
14. Calculating Mass and Moles of an Element from a Compound
1.9: Limiting Reactant
1. Limiting Reactants
2. Importance of Limiting Reactants
3. More on Importance of Limiting Reactants
4. Calculating Limiting and Excess Reactants
1.10: Yield
1. Percentage Yield
2. More on Yield
3. Calculation of Percentage Yield

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