How is ∆rH⁰ calculated from ∆fH⁰ values?

Question

Accepted Answer

Σ∆fH⁰(products) – Σ∆fH⁰(reactants)

Answer

Σ∆fH⁰(reactants) – Σ∆fH⁰(products)

Answer

Σ∆fH⁰(products) + Σ∆fH⁰(reactants)

Answer

Σ∆fH⁰(reactants)

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