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Standard Enthalpy

Posted: Fri Jan 15, 2016 10:58 am
by JukaKim_1D
What is the difference between standard enthalpy of formation and standard enthalpy of reaction?

Re: Standard Enthalpy

Posted: Fri Jan 15, 2016 11:05 am
by Chem_Mod
Standard enthalpy of reaction is just what it sounds like: the heat transferred at a constant pressure to convert reactants to products.

The standard enthalpy of formation is just this, but for a special reaction: The formation of one mole of a substance from its pure elements at 1 atm and 298 K.