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Chemical Thermodynamics

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

First Law of Thermodynamics

Subtopic

First Law of Thermodynamics under Chemical Thermodynamics for Grade 11 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    In an adiabatic container, if a gas is compressed, its temperature will:

    A.

    Decrease

    B.

    Increase

    C.

    Remain constant

    D.

    Become absolute zero

  2. 2.

    For a reaction involving only solids and liquids, the difference between ΔHΔH and ΔUΔU is usually:

    A.

    Very large

    B.

    Negligible

    C.

    Infinite

    D.

    Always negative

  3. 3.

    The change in internal energy at constant volume is equal to:

    A.

    qpq_p

    B.

    qvq_v

    C.

    ww

    D.

    ΔH\Delta H

Download the worksheet for Chemical Thermodynamics - First Law of Thermodynamics to practice offline. It includes additional chapter-level practice questions.

Enthalpy and Calorimetry

Subtopic

Enthalpy and Calorimetry under Chemical Thermodynamics for Grade 11 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following defines the standard enthalpy of reaction?

    A.

    Enthalpy change when reactants are converted to products at 298 K and 1 bar

    B.

    Enthalpy change when 1 mole of product is formed

    C.

    Enthalpy change when 1 mole of reactant is consumed

    D.

    Total energy of the products minus total energy of reactants

  2. 2.

    The heat capacity at constant pressure (CpC_p) is _______ than the heat capacity at constant volume (CvC_v) for an ideal gas.

    A.

    Smaller

    B.

    Greater

    C.

    Equal

    D.

    Half

  3. 3.

    What is the change in enthalpy (DeltaH\\Delta H) for a cyclic process?

    A.

    Positive

    B.

    Negative

    C.

    Zero

    D.

    Infinity

Download the worksheet for Chemical Thermodynamics - Enthalpy and Calorimetry to practice offline. It includes additional chapter-level practice questions.

Gibbs Free Energy and Spontaneity

Subtopic

Gibbs Free Energy and Spontaneity under Chemical Thermodynamics for Grade 11 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    For a reaction involving only solids and liquids, the difference between ΔG\Delta G at constant pressure and ΔA\Delta A (Helmholtz free energy) at constant volume is usually:

    A.

    Very large

    B.

    Negligible

    C.

    Infinite

    D.

    Equal to the total energy

  2. 2.

    In the Gibbs equation, if ΔS\Delta S is positive, how does the term TΔS-T\Delta S behave as temperature increases?

    A.

    It becomes more positive

    B.

    It becomes more negative

    C.

    It remains constant

    D.

    It becomes zero

  3. 3.

    Which of the following is NOT a state function?

    A.

    Gibbs Free Energy

    B.

    Enthalpy

    C.

    Entropy

    D.

    Heat produced at constant pressure

Download the worksheet for Chemical Thermodynamics - Gibbs Free Energy and Spontaneity to practice offline. It includes additional chapter-level practice questions.

Hess’s Law of Constant Heat Summation

Subtopic

Hess’s Law of Constant Heat Summation under Chemical Thermodynamics for Grade 11 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Hess's Law is valid for reactions occurring at standard state. Standard state pressure is usually defined as:

    A.

    1 atm or 1 bar

    B.

    10 atm

    C.

    0 atm

    D.

    760 atm

  2. 2.

    If DeltaH\\Delta H for a reaction is positive, the reaction is classified as:

    A.

    Exothermic

    B.

    Endothermic

    C.

    Fast

    D.

    Spontaneous

  3. 3.

    Hess's Law allows us to treat thermochemical equations like:

    A.

    Ratios

    B.

    Logarithms

    C.

    Algebraic equations

    D.

    Quadratic functions

Download the worksheet for Chemical Thermodynamics - Hess’s Law of Constant Heat Summation to practice offline. It includes additional chapter-level practice questions.

Chemical Thermodynamics - Class 11 Chemistry (ICSE) | Krit.club