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Author Question: The aquation of tris (1,10-phenanthroline)iron(II) in acid solution takes place according to the ... (Read 46 times)

deesands

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Question 1

Substance A decomposes by a first-order reaction. Starting initially with [A] = 2.00 M, after 150 min [A] = 0.50 M. For this reaction what is t1/2?
◦ 150 min
◦ 37.5 min
◦ 75.0 min
◦ 15.0 min
◦ 300 min

Question 2

The aquation 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, Ea, is 126 kJ mol-1 and the rate constant at 30 °C is 9.8 × 10-3 min-1, what is the rate constant at 35 °C?
◦ 4.4 × 10-3 min-1
◦ 2.2 × 10-2 min-1
◦ 4.5 × 101 min-1
◦ 2.3 × 102 min-1


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Marked as best answer by deesands on Jul 8, 2021

isabelt_18

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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deesands

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Reply 2 on: Jul 8, 2021
Excellent


bbburns21

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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