The equation of tris(1, 10-phenanthroline)iron(II) in acid solution takes place according to the equation: Fe(phen)32+ + 3 H3O+ + 3 H2O → Fe(H2O)62+ + 3 phenH+ If the activation energy is 126 kJ/mol and frequency factor is 8.62 × 1017 s-1, at what temperature is the rate constant equal to 3.63 × 10-3 s-1 for the first-order reaction?
