Physics

Problem

The fusion reaction

^2_1\mathrm{H}+^3_1\mathrm{H}\rightarrow\,^4_2\mathrm{He}+n+17.6\,\mathrm{MeV}

occurs completely in

1.0\,\mathrm{g}

of an equimolar deuterium–tritium mixture. Approximately how much energy is released? a)

2.8\times10^{11}\,\mathrm{J}

1.7\times10^{10}\,\mathrm{J}

3.4\times10^{11}\,\mathrm{J}

4.2\times10^{11}\,\mathrm{J}