A particular nuclear power reactor operates at 1000 MWe (megawatts electric) with an overall efficiency in converting fission energy to electrical energy of 30 percent What mass of 235 U must fission in order for the power plant to operate for (a) one day, (b) one year (c) If the energy were provided by burning coal instead of 235 U, what would be the answers to (a) and (b) (Burning coal produces approximately 3 15 x 10 7 J kg )

Question: A particular nuclear power reactor operates at 1000 MWe (megawatts electric) with an overall efficiency in converting fission energy to electrical energy of 30 percent.

A particular nuclear power reactor operates at 1000 MWe (megawatts electric) with an overall efficiency in converting fission energy to electrical energy of 30 percent. What mass of ²³⁵U must fission in order for the power plant to operate for

(a) one day,

(b) one year?

(c) If the energy were provided by burning coal instead of ²³⁵U, what would be the answers to (a) and (b)? (Burning coal produces approximately 3.15 x 10⁷ J/kg.)

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