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
2820J
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B
2820×104J
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C
2820×106J
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D
2820×10−4J
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Solution
The correct option is D2820×106J D2O = 1×1.5×10−4kg = 0.15g Number of 21H =0.15×6.023×102320 = 4.5×1021