Chapter 07: Thermochemistry

Notes of Chapter 07: Thermochemistry of “Chemistry XI” for FSc Part 1 published by Punjab Textbook Board, Lahore. These notes are very helpful to prepare Chemistry paper of FSc Part 1 for Federal Board, Multan Board, Faisalabad Board, Sargodha Board, Gujranwala Board, DG Khan Board, Rawalpindi Board or any other board of Punjab, Pakistan.

Summary & Contents:

It is matter of common observation that energy in the form of heat, either evolved or absorbed as a result of chemical change. This is mostly due to the breaking of bonds in reactions and formation of new bonds in the product …

  • Introduction
  • Spontaneous and non-spontaneous reactions
  • System, surrounding and state function
  • Internal energy and first law of thermodynamics
  • Enthalpy
  • Hess's law of constant heat summation

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