Chemistry 11 Model Papers – Chapter 7 – Punjab Textbook Board

Here are “PDFs of Insight Model Papers for Chemistry-11, Chapter-7” for you. As is evident from the name “Thermochemistry”, the chapter deals with heat energy changes accompanying chemical reactions. The topics discussed in this chapter are thermocity of reactions, spontaneity of reactions, system, surroundings, state & state functions, internal energy, first law of thermodynamics, enthalpy, … Read more