Consider the Fusion Reaction $^{2}_{1}$ H $^{2}_{1}$ H $^{2}_{1}$ H → $^{4}_{2}$

question 71

Short Answer

Consider the fusion reaction: $^{2}_{1}$ H + $^{2}_{1}$ H + $^{2}_{1}$ H → $^{4}_{2}$ He + $^{1}_{1}$ H + $^{1}_{0}$ n
The know atomic masses are $^{2}_{1}$ H: 2.01410 u $^{4}_{2}$ He: 4.00260 u $^{1}_{1}$ H: 1.00783 u $^{1}_{0}$ n: 1.008665 u where 1 u = 1.6605 × 10-27 kg. What mass of deuterium fuel, $^{2}_{1}$ H, is used up in producing $5.6 \times 10^{15} \mathrm {~J}$ of energy by this reaction?

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