GKFix MCQ Question

How is the enthalpy change of a reaction generally expressed in terms of molar enthalpies?

• A. ΔH = ΣH_reactants + ΣH_products
• B. ΔH = Σa_i H_products – Σb_i H_reactants
• C. ΔH = H_products / H_reactants
• D. ΔH = ΣH_products – ΣH_reactants without coefficients