ENTHALPY

• Enthalpy


  A thermodynamic quantity equivalent to the total heat content of a system. It is the measurement of total energy stored in a system.
• Enthalpy


  • It is a state function
• State function


  Values that depend on the state of the substance
• To write thermochemical equation

  1. Endothermic Reaction (+ΔH): Reactants + Energy → Products

  2. Exothermic Reaction (-ΔH): Reactants → Products + Energy
• ΔH


  Σ ΔH products - Σ ΔH reactants