The aquation of tris-(1,10-phenanthroline) iron(II) in acid solutiontakes place according to the equation:Fe(phen),2+ + 3 H3O* + 3 H20→ Fe(H,O),2* + 3 phenH.If the activation energy, Ea, is 126 kJ/mol and the rate constant at30°C is 9.8 x 103 min 1, what is the rate constant at 35°C?O 4.5 x 10 min 1O 4.4 x 10 min 1O 2.3 x 10 min 1O 2.2 x 10 min 1

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

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Chapter1: Chemical Foundations

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Question

The aquation of tris-(1,10-phenanthroline) iron(II) in acid solution
takes place according to the equation:
Fe(phen),2+ + 3 H3O* + 3 H20→ Fe(H,O),2* + 3 phenH.
If the activation energy, Ea, is 126 kJ/mol and the rate constant at
30°C is 9.8 x 103 min 1, what is the rate constant at 35°C?
O 4.5 x 10 min 1
O 4.4 x 10 min 1
O 2.3 x 10 min 1
O 2.2 x 10 min 1

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