density, molar volume, temperature, melting point, boiling point, freezing point. Thermodynamics Class 11 Notes are prepared by our panel of highly qualified teachers who follow strict CBSE guidelines to get rid of any confusion among children regarding the content of the course since CBSE keeps on updating the course every year. Live your dream of studying at AIIMS with comprehensive coaching and guidance from seasoned mentors. Position of hydrogen in the periodic table, isotopes, preparation, properties and uses of … ... 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Tips for Studying Thermodynamics for NEET. (iii) Nitric oxide (NO) reacts with oxygen. It is the enthalpy change occurring when one mole of the molecule breaks into its atoms. It is the maximum amount of energy which can be converted into the useful work (other than  PV work). The change in entropy during a process is mathematically given as, ΔrS° = Σ S° (products) – Σ S° (reactants) = qrev / T = ΔH / T, Where, qrev heat absorbed by the system in reversible manner, Δ S > 0, Increase in randomness, heat is absorbed. It is a extensive property and state function. If the reaction takes place at constant volume. These are the macroscopic properties of the system which change with the change in the state of system. Its absolute value cannot be determined but change during a chemical process can be determined. 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