Two Deuterium Nuclei, H, Fuse to Produce a Helium

question 78

Multiple Choice

Two deuterium nuclei, H, fuse to produce a helium nucleus,
H, and a neutron. A neutral deuterium atom has a mass of 2.014102 u; a neutral helium atom has a mass of 3.016030 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007276 u. How much energy is released in the process? (1 u = 931.494 MeV/c²)

• A) 3.27 MeV
• B) 3.57 MeV
• C) 4.00 MeV
• D) 4.50 MeV
• E) 5.68 MeV

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