Author Question: The magnesium-24 nucleus has a binding energy per nucleon of 8.059 MeV. (1 MeV is 1.60 1013 ... (Read 66 times)

cnetterville · **on:** Mar 21, 2021

Question 1

The I-131 nuclide has a half-life of 8.0 days. If you originally have a 1.8-kg sample, after 1.4 months you will have approximately

◦ 95 g
◦ 62 g
◦ 71 g
◦ 47 g
◦ less than 1 g

Question 2

The magnesium-24 nucleus has a binding energy per nucleon of 8.059 MeV. (1 MeV is 1.60 × 10^–13 J).
Determine the difference in mass between one mole of magnesium-24 nuclei and the component nucleons of which it is made.

◦ 2.07 × 10^–4 kg
◦ 3.60 × 10^–7 kg
◦ 8.64 × 10^–6 kg
◦ 3.09 × 10^–11 kg
◦ 1.04 × 10^–4 kg

angrybirds13579 · **Reply #1 on:** Mar 21, 2021

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