Temperature and Heat

Heat capacity, specific heat, calorimetry

  1. Heat capacity is the amount of heat energy required to raise the temperature of a body by 1 degree Celsius or Kelvin.
  2. The SI unit of heat capacity is joule per kelvin (J/K).
  3. Specific heat capacity is the amount of heat energy required to raise the temperature of 1 kilogram of a substance by 1 degree Celsius or Kelvin.
  4. The formula for specific heat capacity is c = Q / (m × ΔT), where:
    • Q is the heat energy supplied.
    • m is the mass of the substance.

Temperature scales: Celsius, Fahrenheit, Kelvin

  1. Temperature is a measure of the average kinetic energy of the particles in a substance.
  2. Heat is the transfer of thermal energy between systems due to a temperature difference.
  3. There are three primary temperature scales used in thermodynamics: Celsius, Fahrenheit, and Kelvin.
  4. The Celsius scale (°C) is widely used in most parts of the world and in scientific work.
  5. In the Celsius scale, the freezing point of water is 0°C an
Temperature and Heat