Unit 6.8: Enthalpy of Formation

Calculate ∆H using enthalpies of formation and the equation ∆H°rxn = ∑∆Hf°prod - ∑∆Hf°react.

• Given ∆Hf° of reactants and products, calculate ∆H°rxn.
• Explain why the sum of formation enthalpies can determine reaction enthalpy.