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# (a) Calculate the energy (in kilowatt-hours) released if $1.00 \mathrm{kg}$ of $^{289} \mathrm{Pu}$ undergoes complete fission and the energy released per fission event is $200 \mathrm{MeV}$. (b) Calculate the energy (in electron volts) released in the deuterium-tritium fusion reaction $$_{1}^{2} \mathrm{H}+_{1}^{3} \mathrm{H} \rightarrow_{2}^{4} \mathrm{He}+_{0}^{1} \mathrm{n}$$ (c) Calculate the energy (in kilowatt-hours) released if $1.00 \mathrm{kg}$ of deuterium undergoes fusion according to this reaction. (d) What If? Calculate the energy (in kilowatthours) released by the combustion of $1.00 \mathrm{kg}$ of carbon in coal if each $\mathrm{C}+\mathrm{O}_{2} \rightarrow \mathrm{CO}_{2}$ reaction yields $4.20 \mathrm{eV}$. (e) List advantages and disadvantages of each of these methods of energy generation.

## a) $22 \times 10^6 \ \text{kWh}$ b) $17.6 \times 10^6 \ \text{eV}$ c) $2.3 \times 10^8 \ \text{kWh}$ d) $9.38 \ \text{kWh}$

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##### Christina K.

Rutgers, The State University of New Jersey

LB
##### Aspen F.

University of Sheffield