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Form 4 Chemistry: Energy changes in chemical and physical processes lessons

Form 4 Chemistry: Energy changes in chemical and physical processes online video lessons

Lessons (16)

• 1.    Introduction: meaning of specific heat capacity,heat content and types of heat changes in chemical reactions
  4m 33s

• 2.    Meaning of endothermic reactions with examples
  4m 58s

• 3.    Meaning of exothermic reactions with examples
  6m 43s

• 4.    Meaning of an activation energy in a chemical reaction
  5m 54s

• 5.    Determination or measurement of Enthalpy (heat) changes.
  36m 58s

• 6.    Heat of neutralization and neutralization reactions involving weak acids or weak alkalis
  8m 5s

• 7.    Experiment to determine the heat of neutralization of hydrochloric acid by sodium hydroxide.
  17m 55s

• 8.    Meaning of Enthalpy of solution,Molar enthalpy of solution,Lattice energy,Hydration (solvation)energy
  15m 32s

• 9.    Experiment: To measure the molar enthalpy change for the dissolution (enthalpy of solution) for various compounds.
  10m 18s

• 10.    Meaning of heat of displacement and Experiment: To determine the molar enthalpy change in the reaction between #Cu^(2+)# ions and zinc or iron
  13m 37s

• 11.    Standard conditions for measuring enthalpy changes.
  8m 14s

• 12.    Energy level diagrams, thermochemical cycles and Hess’s law(The law of constant heat summation)
  14m 31s

• 13.    Define standard heat of combustion of a substance.
  8m 44s

• 14.    Heat of formation and bond energies
  6m 24s

• 15.    Meaning of Molar heat of fusion, ?Hf and Molar heat of vaporization, ?Hvap
  1m 32s

• 16.    Meaning of fuels,heating value,causes of fuel pollution and factors to consider when choosing a fuel.
  6m 5s