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It says that the minimum amount of pure uranium(U-235) needed to cause a chain reaction is about 50 kg. It is called the Super Critical Mass. But because pure uranium is rare or dificult to make, usually the scientists will need more then 50 kg.

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Is thorium better than uranium?

Yes, we can get more electricity from thorium, if you are asking about the supply. When 232Th is used in a nuclear reactor, it is bred to become 233U. This isotope of uranium has about as much energy available as 235U, so the amount of energy per fission event is about the same for thorium as it is for uranium. Aside from that, however, there are important differences. Thorium does not need to be enriched, so all of it can be used. The amount of thorium we have is a multiple of the amount of uranium. The combination means that, where we only have a few decades supply of uranium, we have enough thorium to last thousands of years.


How coal equals one ounce of uranium?

The energy produced from burning one ounce of uranium is equivalent to burning approximately 3 tons of coal. This is because uranium has a much higher energy density and efficiency in power generation compared to coal. This means that a small amount of uranium can produce the same amount of energy as a much larger amount of coal.


What and where is Uranium?

the uranium is the thing which helps to make atomic energy on uranium atoms the neutrons are bombarded and its cycle is continued bcoz on bombarding one neutron on uranium it takes place with 3 neutrons and some heat


How much electricity is produced inside your body?

according to my calculation. our body can produced 1000 volts higher but if ur a child ur body can produce 2000 volts only


What size of nuclear bomb made with one ton of uranium?

Its really hard to say, the only nuclear bomb that might contain that much uranium (probably as depleted uranium) would be a hydrogen fusion bomb with a uranium tamper.Depending on many design features, it would probably weigh a bit under 2 tons and have a yield somewhere between 2 megatons and 20 megatons, most of that produced by fission of the uranium tamper.NO nuclear bomb could ever contain that much weapons grade uranium, as it would be so far beyond critical that it would simply melt in the factory as it was being assembled and kill anyone nearby with neutron and gamma radiation.

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