GKFix MCQ Question

What is the significance of the equation ∆rH⁰ = Σaᵢ∆fH⁰(products) – Σbᵢ∆fH⁰(reactants)?

• A. It measures reaction rate
• B. It determines equilibrium position
• C. It allows calculation of reaction enthalpy without direct experimentation
• D. It predicts reaction mechanism