Inhibition of Mild Steel Corrosion by 3-Benzoylmethyl Benzimidazolium Hexafluoroantimonate in Acidic Solution

Table 7

The enthalpy of adsorption (ΔH) for mild steel in 1.0 M HCl in the presence of 2×10⁻⁵ M 3-benzoylmethyl benzimidazolium hexafluoroantimonate (BMBI) inhibitor at various temperatures (303 K–343 K).

ΔH, kcal·mol^−1
303 K	313 K	323 K	333 K	343 K
32.46	32.44	32.42	32.40	32.38