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Chemical Thermodynamics — Concept Maps

NIOS · Class 12 · Chemistry

3 concept maps of Chemical Thermodynamics for NIOS Class 12 Chemistry, each also written out as a text outline.

45 questions30 flashcards2 formulas & key relations5 concepts

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A diagram illustrating the three types of thermodynamic systems: open, closed, and isolated, showing the exchange of matter and energy with the surroundings.
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One of 4 illustrations for Chemical Thermodynamics in Super Tutor — alongside flashcards, concept maps and practice questions.

3 Concept Maps

Chemical Thermodynamics - Complete Chapter Overview

Chemical Thermodynamics - Complete Chapter Overview

The map in words

  • Chemical Thermodynamics
    • Basic Concepts
      • System
        • Isolated
        • Closed
        • Open
      • Surroundings
      • State Functions
        • P T V U H
      • Path Functions
        • Heat q
        • Work w
      • Processes
        • Isothermal
        • Adiabatic
        • Reversible
        • Irreversible
    • Energy and Reactions
      • Exothermic
        • Delta H negative
        • Heat released
      • Endothermic
        • Delta H positive
        • Heat absorbed
      • Thermochemical Equations
        • States of matter
        • Delta H value
        • Molar quantities
    • First Law
      • Delta U = q plus w
      • Internal Energy U
      • Work w = negative p delta V
      • At constant V
        • Delta U = qv
      • At constant P
        • Delta H = qp
    • Delta H and Delta U
      • Delta H = Delta U plus Δng RT
      • Delta ng gaseous moles only
      • Solids and Liquids
        • Delta H equals Delta U
    • Standard Enthalpies
      • Formation Delta fH zero
        • Elements = 0
      • Combustion Delta combH zero
        • Always negative
      • Neutralization
        • Strong acid base = 57 kJ
      • Atomisation
      • Phase Transition
      • Solution
      • Ionization
    • Laws of Thermochemistry
      • Lavoisier Laplace Law
        • Reverse reaction
        • Sign changes
      • Hess's Law
        • Path independent
        • Algebraic combination
        • Delta rH = sum Delta fH products minus reactants
    • Bond Enthalpies
      • Bond Breaking
        • Endothermic
      • Bond Formation
        • Exothermic
      • Bond Dissociation Enthalpy
        • Specific molecule
      • Bond Enthalpy
        • Average value
      • Delta rH = sum BE reactants minus sum BE products

Chemical Thermodynamics Concept Overview

Chemical Thermodynamics Concept Overview

The map in words

  • Chemical Thermodynamics
    • System and Surroundings
      • Isolated System
      • Closed System
      • Open System
    • Types of Reactions
      • Exothermic
        • ΔH negative
        • Heat released
      • Endothermic
        • ΔH positive
        • Heat absorbed
    • Thermodynamic Laws
      • First Law
        • ΔU = q + w
        • Energy conservation
      • Lavoisier-Laplace
        • Equation reversal
      • Hess's Law
        • Independent of path
    • Enthalpy Concepts
      • Definition
        • H = U + pV
        • ΔH = ΔU + pΔV
      • Standard Enthalpies
        • Formation ΔfH°
        • Combustion ΔcombH°
        • Neutralization ΔneuthH°
        • Atomization ΔaH°
    • Bond Energy
      • Bond Enthalpy
        • Average bond energy
      • Bond Dissociation
        • Specific bond energy
      • Calculations
        • Energy of breaking
        • Energy of forming
    • Calculation Methods
      • Enthalpy of Formation
        • Tabulated values
        • Most accurate
      • Bond Enthalpy
        • Average values
        • Gaseous reactions
      • Hess's Law
        • Path independent
        • Multi-step reactions

Diagram showing the relationship between system, surroundings, and universe

Diagram showing the relationship between system, surroundings, and universe

The map in words

  • Universe
    • System
      • Reaction Mixture
    • Surroundings
      • Beaker, Air, Room

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Frequently Asked Questions

What are the important topics in Chemical Thermodynamics for NIOS Class 12 Chemistry?
Key topics in Chemical Thermodynamics include Basic Terminology in Thermodynamics, Exothermic and Endothermic Reactions, Thermochemical Equations, First Law of Thermodynamics and Internal Energy. Study these first, then practise questions on each for the NIOS Class 12 board exam.
What do the concept maps for Chemical Thermodynamics show?
The 3 maps show how the ideas in Chemical Thermodynamics connect: Chemical Thermodynamics - Complete Chapter Overview; Chemical Thermodynamics Concept Overview. Each map is also written out as an outline on this page.
How should I revise Chemical Thermodynamics for the NIOS Class 12 board exam?
Learn the core ideas first, then work through the 45 practice questions on Chemical Thermodynamics. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Chemical Thermodynamics

All NIOS Class 12 Chemistry Concept Maps

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