Question

One g of U-235 produces approximately how much more energy than 1 g of coal? (a) 3,000 times, (b) 19,000 times, (c) 80,000 times,(d) 400,000 times, (e) 2,000,000 times.

Answer 1

2,000,000 times

Explanation:

One gram of U-235 produces approximately 2,000,000 times more energy than one gram of coal.

The energy in 1g of U-235 is a nuclear energy whereas energy obtained from coal is chemical energy by combustion. During combustion chemical bonds are broken between the carbon atoms.

• Uranium decays the radioactive fission.
• When it is bombarded with particles, an artificial disintegration is induced.
• Most nuclear reactions are chain reactions in which one step leads to another until stability is produced.
• Each step produces energy for the next process.

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