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Chapter 5ChemistryCBSE Class 11

Chemical Thermodynamics

Chemical Thermodynamics is Chapter 5 of NCERT Class 11 Chemistry. The chapter covers Thermodynamic Terms, Applications, Measurement of ∆U and ∆H: Calorimetry, Enthalpy Change, ∆H of a Reaction – Reaction Enthalpy, and more. Use this public guide to revise the official topic structure before asking Lerno for step-by-step help.

7 topicsChapter 5 of 9
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Topics covered

7 sections
01

Thermodynamic Terms

IntroductionThe System and the SurroundingsTypes of the SystemThe State of the SystemThe Internal Energy as a State Function
02

Applications

IntroductionWorkEnthalpy, H
03

Measurement of ∆U and ∆H: Calorimetry

Introduction
04

Enthalpy Change, ∆H of a Reaction – Reaction Enthalpy

Introduction
05

Enthalpies for Different Types of Reactions

Introduction
06

Spontaneity

Introduction
07

Gibbs Energy Change and Equilibrium

Introduction

Key concepts

Thermodynamic TermsApplicationsMeasurement of ∆U and ∆H: CalorimetryEnthalpy Change, ∆H of a Reaction – Reaction EnthalpyEnthalpies for Different Types of ReactionsSpontaneityGibbs Energy Change and EquilibriumIntroductionThe System and the SurroundingsTypes of the System

Practice questions

Frequently asked

What is covered in Chemical Thermodynamics?

Chemical Thermodynamics is Chapter 5 in NCERT Class 11 Chemistry. The verified chapter structure includes Thermodynamic Terms, Applications, Measurement of ∆U and ∆H: Calorimetry, Enthalpy Change, ∆H of a Reaction – Reaction Enthalpy, Enthalpies for Different Types of Reactions.

How should I revise Chemical Thermodynamics?

Revise the chapter topic by topic: start with Thermodynamic Terms, Applications, Measurement of ∆U and ∆H: Calorimetry, then practice questions that mix definitions, examples, and application steps.

Can I use Lerno for Class 11 Chemistry questions?

Yes. Lerno is built for CBSE students and uses NCERT-grounded context so students can ask for explanations, practice prompts, and step-by-step guidance for this chapter.

Study prompts

1

Explain Thermodynamic Terms from Chemical Thermodynamics and give one NCERT-style example or practice step.

2

Explain Applications from Chemical Thermodynamics and give one NCERT-style example or practice step.

3

Explain Measurement of ∆U and ∆H: Calorimetry from Chemical Thermodynamics and give one NCERT-style example or practice step.

4

Explain Enthalpy Change, ∆H of a Reaction – Reaction Enthalpy from Chemical Thermodynamics and give one NCERT-style example or practice step.

5

Explain Enthalpies for Different Types of Reactions from Chemical Thermodynamics and give one NCERT-style example or practice step.

6

Explain Spontaneity from Chemical Thermodynamics and give one NCERT-style example or practice step.

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Practice QuestionsChapter-wise NCERT-aligned questionsSolutions GuideStep-by-step approach per topicChapter ExplanationTopic map for structured revision

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