Figure 12

Mutual correlation between the enthalpy of activation (ΔH°/kJ mol⁻¹) and the entropy of activation (ΔS°/J K⁻¹ mol⁻¹) for the three acids, both and separately. (●): HCl, (○): H₂SO₄, (▲): H₃PO₄, Solid line: fit in linear regression for both acids.