§ 5NCERT Class 11 · Chemistry · Chapter 5
Chapter 5: Thermodynamics
Welcome to the master chapter hub for Chemical Thermodynamics (रासायनिक ऊष्मागतिकी). Thermodynamics is the cornerstone of physical chemistry, governing heat exchanges, enthalpy shifts, entropy generation, and chemical equilibria across all chemical transformations.
Topics in this chapter
- § 5.1 Thermodynamic Terms & First Law of ThermodynamicsNCERT Class 11 Chemistry notes on Thermodynamic terms, state and path functions, extensive vs intensive properties, reversible vs irreversible processes…
- § 5.2 Enthalpy, Heat Capacity & CalorimetryMaster Enthalpy (H = U + PV), relation between ΔH and ΔU (ΔH = ΔU + Δng RT), heat capacities Cp and Cv, Mayer's relation Cp - Cv = R, and Bomb Calorimetry…
- § 5.3 Thermochemistry, Enthalpy Changes & Hess's LawMaster Thermochemistry: Standard enthalpy of formation (ΔfH°), Hess's Law of Constant Heat Summation, Born-Haber cycle for lattice energy, bond dissociation…
- § 5.4 Spontaneity, Entropy & Second Law of ThermodynamicsMaster Spontaneity & Entropy: Concept of randomness, thermodynamic definition ΔS = q_rev / T, entropy of phase transitions, ideal gas entropy formula, and…
- § 5.5 Gibbs Energy, Equilibrium & Third Law of ThermodynamicsMaster Gibbs Energy (G = H - TS), Gibbs-Helmholtz equation ΔG = ΔH - TΔS, criteria for spontaneity, relation ΔG° = -RT ln K, and the Third Law of…
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