Table 5 The comparison of values of E_a/(kJ mol⁻¹) obtained from different methods as well as the relevant statistical quantities for reactions of MgO with carbonic reductants in different molar ratios and at temperatures 1723.15 K, 1748.15 K, 1773.15 K, 1798.15 K, and 1823.15 K

E_{a, 1723.15}

481.2313

–

690.8303

–

E_{a, 1748.15}

481.0725

–

690.3459

–

E_{a, 1773.15}

480.9167

348.4596

689.8742

384.7295

E_{a, 1798.15}

480.7639

348.4596

689.4146

384.7295

E_{a, 1823.15}

480.6140

348.4596

688.9670

384.7295

SD

0.2440

4.0194 × 10⁻¹⁴

0.7366

6.9619 × 10⁻¹⁴

RSD

5.0744 × 10⁻²

1.1535 × 10⁻¹⁴

0.1068

1.8095 × 10⁻¹⁴

Range

0.6174

5.6843 × 10⁻¹⁴

1.8633

0

Mean

480.9197

348.4596

689.8864

384.7295

E_{a, NL_Arr}^a

487.1059

349.7380

501.1278

411.4653

E_{a, L_Arr}^b

533.4443

281.0194

1000.5536

488.6408

E_{a, Ref. [}23_]

468.4

–

419.1

–