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How long can 1 kg of uranium-235 keep a 100-watt lightbulb burning if all its released energy is converted to electrical energy?

Answer :

Final answer:

1 kg of Uranium-235 can keep a 100-watt light bulb running for approximately 8 x 10^11 hours, given that all emitted energy is converted into electricity.

Explanation:

The question asks how long 1kg of uranium-235 can power a 100-watt bulb. The energy released from 1 kg of Uranium-235 through fission is approximately [tex]8 x 10^13[/tex] watt-hours. Therefore, to find out how long this energy can power a 100-watt light bulb, you divide the total energy by the bulb's wattage.

Steps:

  1. Convert 1 kg of Uranium-235's energy release to watt-hours: 1 kg[tex]U-235 = 8 x 10^13[/tex] watt-hours
  2. Divide the total watt-hours by the bulb's wattage: [tex]8 x 10^13 watt-hours / 100 watts = 8 x 10^11[/tex]hours

1 kg of Uranium-235 can keep a 100-watt light bulb burning for 8 x 10^11 hours, given a perfect energy conversion.

Learn more about energy conversion here:

https://brainly.com/question/35884877

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