What must you know about a nuclear reaction to calculate the amount of energy it will produce? A. The product of the total nuclear mass before and after the reaction B. The ratio of total nuclear mass before the reaction to the total nuclear mass after the reaction C. The sum of the total nuclear mass before and after the reaction D. The difference between the total nuclear mass before and after the reaction

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A: Write the expression of decay rate. N=N0e-tt1/2

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A: Given data, Half-life t12=7×108 years Initial mass m0=10 kg

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A: 1GW = 109 W  1 Mev = 1.6 × 10-13 J   Given efficiency = 41%

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A: Write the given data. t1/2=12 hrsN0=18

Q: 238 1 U + n- 146 92 Ва + Kr + neutron

A:

Q: (a) Write the complete β- decay equation for the neutron. (b) Find the energy released in the decay.

A: Given that, (a). β- decay equation for the neutron (b). The energy released in the decay

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A: (a) The reaction is given by,

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A: Given that: No=28 gAfter 3 years, N(t)=7 g