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Question

Calculate the energy which can be obtained from 1 kg of H2O through the fusion reaction
21H +21H 31H + p.
Assume 1.5×102 of the water contains deuterium. The whole deuterium is consumed in the fusion reaction

A
2820 J
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B
2820×104 J
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C
2820×106 J
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D
2820×104 J
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Solution

The correct option is D 2820×106 J
D2O = 1×1.5×104 kg = 0.15 g
Number of 21H = 0.15×6.023×102320 = 4.5×1021

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