Inhibiting Effects of Rabeprazole Sulfide on the Corrosion of Mild Steel in Acidic Chloride Solution

Table 3

Activation parameters of dissolution reaction of mild steel in 1 M HCl with RS at different concentrations.

𝐶 (mM)	𝐴; (g cm^−2 h^−1)	𝐸𝑎^∗ (kJ mol^−1)	Δ𝐻^∗ (kJ mol^−1)	Δ𝑆^∗ (J mol^−1 K^−1)
Blank	4.27×10^11	85.22	82.55	−31.34
0.05	1.338×10^15	107.75	105.09	35.92
0.1	2.512×10^15	109.83	107.17	40.90
0.5	2.615×10^15	112.74	109.99	41.15
1.0	2.695×10^15	114.48	111.82	41.49