Formulae, Stoichiometry and the Mole Concept

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Chapter 3: Formulae, Stoichiometry and the Mole Concept (67 videos)   (Practice Test)
3.1: Chemical Symbols and Formulae  (Practice Test)
  1. Matter
  2. Symbols of Element
  3. Shape and Volume of Solids
  4. Chemical Formula
  5. Compressibility and Ease of Flow of Solids
  6. Molecular formula
  7. Diffusion in Liquids
  8. Concept of Valency
  9. Shape and Volume of Liquids
  10. Compressibility and Ease of Flow of Liquids
  11. Evaporation in Liquids and its Uses
  12. Shape and Volume of Gases
  13. Compressibility,Mobility and Density of Gases
3.2: Relative Masses  (Practice Test)
  1. Kinetic Particle Theory
  2. Relative atomic mass and Atomic mass unit
  3. Intrconversion of Three States of Matter
  4. Molecular mass
  5. Melting
  6. Relative Molecular Mass (Mr)
  7. Boiling Points of Liquids
  8. Formula mass
  9. Evaporation
  10. Condensation
  11. Sublimation of solids
3.3: Percentage Composition  (Practice Test)
  1. The Percentage Composition of Elements in a Molecule
  2. Crystal Growing
  3. Diffusion and Effusion in Gases
  4. The Percentage Composition of Sodium Carbonate crystal
  5. Effect of Molecular Mass on the Rate of Diffusion
  6. Diffusion in Liquids
  7. Effect of Temperature on the Rate of Diffusion
  8. Diffusion in Solids
3.4: Calculation of Mass
  1. Calculate the Mass of an Element in a Compound
  2. Calculate the Mass of Water in a Compound
3.5: Empirical Formula  (Practice Test)
  1. Empirical formula
  2. Empirical formula-covalent and ionic compound
  3. The Empirical Formula from the Percentage Composition
  4. Molecular formula
3.6: Chemical Equations  (Practice Test)
  1. Chemical Equation and Writing of Chemical Equation
  2. Balancing of Chemical Equation
  3. More on Chemical Equations
  4. Ionic Equations
3.7: The Mole Concept  (Practice Test)
  1. Avogadro's Number
  2. Mole
  3. Relative Atomic Mass in Grams
  4. Relative Molecular Mass in Grams
  5. Relative Formula Mass in Grams
  6. Molar Gas Volume
  7. Calculations of Molar Gas Volume
  8. Mole-Mass Calculations
  9. Mole-Particle Calculations
3.8: Stoichiometry  (Practice Test)
  1. Stoichiometry
  2. Calculating the Amount of Reactant
  3. Calculating the Amount of Product
  4. Molar Calculations from Equations
  5. More on Molar Calculations from Equations
  6. Limiting Reactants
  7. Importance of Limiting Reactants
  8. More on Importance of Limiting Reactants
  9. Stoichiometric Calculations
  10. Percentage Yield
  11. Percentage Purity
  12. Moles and Solution
  13. Calculations Related to Concentration of Solutions
  14. Molarity and Preparation of Molar Solution
  15. Process of Titration
  16. Acid-Base Titration