Two Deuterium Nuclei, , Fuse to Produce a Helium

question 27

Multiple Choice

Two deuterium nuclei, , fuse to produce a helium nucleus, , 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 1.007277 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)6.58 MeV

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Definitions:

Basicity

A measure of a substance's ability to donate electrons or accept protons, commonly applied in the context of acids and bases.

Nucleophilic

Characteristic of a chemical species that donates an electron pair to an electrophile to form a chemical bond in reaction.

t-Butoxide

A strong, non-nucleophilic base, often used in organic synthesis, derived from tertiary butanol.

Ethoxide

An alkoxide derived from ethanol, used as a strong base in organic synthesis, with the formula CH3CH2O-.