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THERMODYNAMICS
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How is the standard enthalpy of reaction calculated using formation enthalpies?
A. ∆rH° = Σ∆fH°(reactants) + ∆fH°(products)
B. ∆rH° = Σ∆fH°(products) – Σ∆fH°(reactants)
C. ∆rH° = Σ∆fH°(reactants) – ∆fH°(products)
D. ∆rH° = products – reactants
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