Chapter 6, Chemical Energetics. Free Chemistry notes are available for the first-year class.
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You can get the full chapter in a single PDF without a watermark here.
Chapter-6 Lec-1 Class 11 Note
 Class 11, Chapter 06, Lecture 01 Notes. (Introduction and Enthalpy change)
Chapter-6 Lec-2 Class 11 Note
 Class 11, Chapter 06, Lecture 02 Notes
(Standard Enthalpy changes)
Chapter-6 Lec-3 Class 11 Note
 Class 11, Chapter 06, Lecture 03 Notes. (Bond energy and enthalpy change)
Chapter-6 Lec-4 Class 11 Note
 Class 11, Chapter 06, Lecture 04 Notes
(Enthalpy change and chemical bond)
Chapter-6 Lec-5 Class 11 Note
 Class 11, Chapter 06, Lecture 05 Notes
(Measurement of Enthalpy change of a reaction)
Chapter-6 Lec-6 Class 11 Note
 Class 11, Chapter 06, Lecture 06 Notes
(Enthalpy change and calorie content of food)
Chapter-6 Lec-7 Class 11 Note
 Class 11, Chapter 06, Lecture 07 Notes
(Hess’ Law of Heat summation)
Chapter-6 Lec-8 Class 11 Note
 Class 11, Chapter 06, Lecture 08 Notes
(Energetics of solution)
Chapter-6 Lec-9 Class 11 Note
 Class 11, Chapter 06, Lecture 09 Notes. (Born-Haber cycle)
Chapter-6 Lec-10 Class 11 Note
 