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Many transuranium elements, such as neptunium-240, have very short half-lives. (For 24 Np, the halfr-life is 62 minutes However, some, like uranium-233 (half-life is 1.59 x 10° years), have relatively long half-lives. Use the masses given the following table to calculate the change in energy when I mole of 240Np nuclei and I mole of 2U nuclei are each formed from their respective number of protons and neutrons. 233 Atom or Particle Atomic Mass Neutron 1.67493 x 10-24 g Proton 1.67262 x 10-24 Electron 9.10939 x 10-28 240 Np 3.98623 x 1022. 233U 3.86972 x 10 22 g (Since the masses of 240Np and 3 U are atomic masses, they each include the mass of the electrons present. The mass of the nucleus will be the atomic mass minus the mass of the electrons.) AB(u) -

Many transuranium elements, such as neptunium-240, have very short half-lives. (For 24 Np, the halfr-life is 62 minutes However, some, like uranium-233 (half-life is 1.59 x 10° years), have relatively long half-lives. Use the masses given the following table to calculate the change in energy when I mole of 240Np nuclei and I mole of 2U nuclei are each formed from their respective number of protons and neutrons. 233 Atom or Particle Atomic Mass Neutron 1.67493 x 10-24 g Proton 1.67262 x 10-24 Electron 9.10939 x 10-28 240 Np 3.98623 x 1022. 233U 3.86972 x 10 22 g (Since the masses of 240Np and 3 U are atomic masses, they each include the mass of the electrons present. The mass of the nucleus will be the atomic mass minus the mass of the electrons.) AB(u) -

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Many transuranium elements, such as neptunium-240, have very short half-lives. (For 240 Np, the half-life is 62 minutes.) However, some, like uranium-233 (half-life is 1.59 x 10° years), have relatively long half-lives. Use the masses given in the following table to calculate the change in energy when 1 mole of 240 Np nuclei and I mole of 23U nuclei are each formed from their respective number of protons and neutrons. Atom or Particle Atomic Mass Neutron 1.67493 x 10-24 g Proton 1.67262 x 10-24 g Electron 9.10939 x 10-28 240 Np 3.98623 x 102 233 U 3.86972 x 10 2"g (Since the masses of 240 Np and 23 U are atomic masses, they each include the mass of the electrons present. The mass of the nucleus will be the atomic mass minus the mass of the electrons.) 240 Submit Answer Try Another Version 9 item attempts remaining
Transcribed Image Text:Many transuranium elements, such as neptunium-240, have very short half-lives. (For 240 Np, the half-life is 62 minutes.) However, some, like uranium-233 (half-life is 1.59 x 10° years), have relatively long half-lives. Use the masses given in the following table to calculate the change in energy when 1 mole of 240 Np nuclei and I mole of 23U nuclei are each formed from their respective number of protons and neutrons. Atom or Particle Atomic Mass Neutron 1.67493 x 10-24 g Proton 1.67262 x 10-24 g Electron 9.10939 x 10-28 240 Np 3.98623 x 102 233 U 3.86972 x 10 2"g (Since the masses of 240 Np and 23 U are atomic masses, they each include the mass of the electrons present. The mass of the nucleus will be the atomic mass minus the mass of the electrons.) 240 Submit Answer Try Another Version 9 item attempts remaining
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