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Author Question: The rate constant for a reaction at 40.0C is exactly 3 times that at 20.0C. Calculate the Arrhenius ... (Read 126 times)

tiffannnnyyyyyy

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on: Mar 21, 2021

Question 1

The radioactive nuclide 170Ta undergoes first-order decay with a half-life of 6.76 min. If a quantity of 170Ta is produced, what fraction remains after 74.0 seconds?

◦ 0.0914
◦ 0.000507
◦ 0.182
◦ 0.881
◦ 0.119

Question 2

The rate constant for a reaction at 40.0°C is exactly 3 times that at 20.0°C. Calculate the Arrhenius energy of activation for the reaction.

◦ 9.13 kJ/mol
◦ 5.04 kJ/mol
◦ 41.9 kJ/mol
◦ 3.00 kJ/mol
◦ None of these are correct.
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Marked as best answer by tiffannnnyyyyyy on Mar 21, 2021

heyhey123

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Reply #1 on: Mar 21, 2021
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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tiffannnnyyyyyy

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Reply 2 on: Mar 21, 2021
Excellent

jamesnevil303

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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