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. 2020 May 11;6(5):e03939. doi: 10.1016/j.heliyon.2020.e03939

Table 6.

Activation parameters of 1 M HCl steel without and with the addition of 1×10−3 M NSQN & CSQN.

Medium Ea (kJ mol−1) ΔHa (kJ mol−1) ΔSa (J mol−1K−1)
Blank 45.14 42.56 -52.29
NSQN 102.59 99.93 115.56
CSQN 94.19 113.81 176.75