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11. Calorimetry

The chapter delves into the concepts of calorimetry, heat, and temperature, emphasizing the laws governing heat transfer and specific heat capacity. It covers the instruments used to measure heat exchanges, such as calorimeters, and discusses phase changes along with the associated latent heats. Additionally, the effects of pressure and impurities on states of matter are explored, along with the practical representation of temperature changes through cooling curves.

Sections

  • 11

    Calorimetry

    Calorimetry deals with heat transfer and its measurement in physical and chemical changes.

    Learning Practice

  • 11.1

    Heat And Temperature

    Heat is the energy transferred between bodies due to temperature differences, while temperature measures the thermal condition of an object.

    Learning Practice

  • 11.2

    Principle Of Calorimetry

    Calorimetry relies on the principle that heat lost by a hot body equals the heat gained by a cold body, adhering to the conservation of energy.

    Learning Practice

  • 11.3

    Specific Heat Capacity (C)

    Specific heat capacity measures the heat required to change the temperature of a substance.

    Learning Practice

  • 11.4

    Calorimeter

    A calorimeter is a device used to measure heat exchange during physical and chemical changes.

    Learning Practice

  • 11.5

    Change Of State

    This section discusses how substances change from one physical state to another, highlighting the concepts of latent heat during processes like melting and boiling.

    Learning Practice

  • 11.5.1

    Melting (Fusion)

    This section explains the process of melting (or fusion) where a solid turns into a liquid, emphasizing the concept of latent heat of fusion.

    Learning Practice

  • 11.5.2

    Boiling (Vaporization)

    This section discusses boiling as a form of vaporization, detailing the heat required for a liquid to change into gas at its boiling point.

    Learning Practice

  • 11.6

    Latent Heat

    Latent heat refers to the heat energy required for a substance to change its state without a change in temperature.

    Learning Practice

  • 11.7

    Effects Of Pressure And Impurities On Change Of State

    This section discusses how pressure and impurities affect the melting and boiling points of substances.

    Learning Practice

  • 11.8

    Cooling Curve

    A cooling curve graphically represents the change in temperature over time as a substance cools, illustrating plateaus during phase changes and sloped lines during temperature changes.

    Learning Practice

References

p11.pdf

Class Notes

Memorization

What we have learnt

  • Heat is energy transferred ...
  • The principle of calorimetr...
  • Specific heat capacity quan...

Final Test

Revision Tests

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