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Author Question: The masses of He, Li and B are 4.0015, 6.0135 and 10.0102 amu, respectively. Splitting a boron-10 ... (Read 43 times)

Themember4

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on: Jul 8, 2021

Question 1

The initial decay rate of a nuclide is 1.77 × 1012/m. After 7.63 d, the decay rate is 1.82 × 1011/m. What is the half-life of the isotope?
◦ 139 d
◦ 0.298 d
◦ 0.207 d
◦ 2.32 d
◦ 2.50 d

Question 2

The masses of He, Li and B are 4.0015, 6.0135 and 10.0102 amu, respectively. Splitting a boron-10 nucleus to helium-4 and lithium-6 would:
◦ absorb energy
◦ evolve energy
◦ result in no energy change
◦ boron cannot be split
◦ cannot be determined
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by Themember4 on Jul 8, 2021

ebenov

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Reply #1 on: Jul 8, 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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Themember4

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Reply 2 on: Jul 8, 2021
Wow, this really help

xiazhe

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Reply 3 on: Yesterday
Gracias!

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