Chapter 6 • Class 11 Chemistry
Thermodynamics
Thermodynamics — Class 11 Chemistry (NCERT): first law, internal energy, enthalpy, ΔH = ΔU + Δn_g RT, Hess’s law, bond & lattice enthalpy, entropy and Gibbs energy with solved numericals and tests.
Study by topic — one focused page each
1
First Law & Enthalpy
Chemical thermodynamics studies the energy changes that accompany chemical and physical transformations. The system is the part of the universe under …
Start this topic → 2Enthalpy Changes & Hess’s Law
The standard enthalpy of reaction is the enthalpy change when reactants in their standard states (pure form at 1 bar and a stated temperature, usually…
Start this topic → 3Entropy & Gibbs Energy
The first law tells us energy is conserved, but it does not tell us which way a change will go on its own. A spontaneous process is one that occurs wi…
Start this topic →Chapter-wide tests
Online Test
20 MCQ • 15 min
IMO / Olympiad Practice
Olympiad level • 15 min
📝 Full Chapter Test (Download & Print)
40 marks • 90 min • with answer key