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Standard Enthalpies of Formation

  • Standard Enthalpies of Formation, ΔHf°, are ALWAYS per mol of product formed.
  • Standard Enthalpies of Formation are the values in Thermodynamic Tables.
  • Standard Enthalpy of a Reaction is:
  • SUM [ enthalpies of formation of products (times their respective stoichiometric coefficients) ] – SUM [ enthalpies of formation of reactants (times their respective stoichiometric coefficients)]

Standard Enthalpies of Formation

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Advanced Placement Chemistry