Question

Why is the enthalpy of neutralization for strong acid with a strong base remains constant?

Answer 1

Why is the heat of the neutralization of a strong acid and a strong base constant? ... The standard heat of neutralization is constant for a strong acid and a strong base. The strong acid for example HCl is already in ionized form(in polar solvent like water(default)) as H+ and Cl- ions .

Answer 2

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Explain why enthalpy of neutralization of a strong acid and strong base remains the same and the value changes if one of them is weak. Enthalpy of neutralisation for a strong acid and a strong base is always constant: This is because in dilute solution all strong acids and strong bases are completely ionised.