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lawyer [7]
3 years ago
13

What is the reaction energy q of this reaction? use c2=931.5mev/u. express your answer in millions of electron volts to three si

gnificant figures?
Chemistry
1 answer:
Ann [662]3 years ago
5 0
₉₂U²³⁵ + ₀n¹ → ₅₄Xe¹⁴⁰ + ₃₈Sr⁹⁴ + 2 ₀n¹
Mass of reactants = 235.04393 + 1.008665 = 236.052595 amu
Mass of products = 139.92144 + 93.91523 + 2* (1.008665) = 235.854000 amu
Mass defect Δ m = 236.052595 - 235.854000 = 0.198 amu
Reaction energy released Q = Δ m * 931.5
                                              = 0.198 * 931.5 = 185 MeV
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