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Because they are mostly very radioactive and many have long halflives
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∙ 13y ago
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What are the consequences of nuclear fission for the earth?
The main consequence is the production of quantities of highly active fission products which would not occur naturally, and which will have to be carefully stored for thousands of years.
Why are uranium rods hot?
The rods themselves are not hot. They heat up in an operating nuclear reactor because of the fission going on inside them. When used up and removed from the reactor they remain hot for a period of time due to radioactive decay of the remaining fission products, so they are stored in a spent rod cooling pond until enough fission products decay that they can stay cool and can be safely transported to a waste repository or reprocessing facility.
What is the byproduct of nuclear energy?
We generally consider nuclear fission as the "splitting" of atoms. In this process, a large atomic nucleus splits into two smaller nuclei. The smaller nuclei are called fission fragments, and they are radioactive. Making nuclear energy, which we do in nuclear reactors, results in the production of large quantities of highly radioactive fission products. These byproducts require that we cool the spent fuel for long periods, and also that we store it for centuries so that the radioactive materials have a chance to decay and become less hazardous.
Why is nuclear fission bad?
It is not bad to generate electricity using nuclear power. However, there are concerns some people have with nuclear power, in particular with the side effects of it. In the process of generating electricity nuclear fuel is used up and left as what is called nuclear waste. This waste is very radioactive and a danger to living things for upwards of 10000 years. This waste must be stored, and debates about where and how it should be stored can lead people to consider nuclear power to be a "bad" method of generating electricity.
The energy stored in the bonds of molecules?
Chemical Energy
What are the consequences of nuclear fission for the earth?
The main consequence is the production of quantities of highly active fission products which would not occur naturally, and which will have to be carefully stored for thousands of years.
Why are uranium rods hot?
The rods themselves are not hot. They heat up in an operating nuclear reactor because of the fission going on inside them. When used up and removed from the reactor they remain hot for a period of time due to radioactive decay of the remaining fission products, so they are stored in a spent rod cooling pond until enough fission products decay that they can stay cool and can be safely transported to a waste repository or reprocessing facility.
What are some cautions of nuclear power?
Reactor fuels contain dangerous radioactive fission products after use, so the spent fuel rods must be carefully handled and stored.
How should poisonous products in the home be stored to minimize their dangers?
Safely.
Why do the very dangerous active fission products fount in nuclear energy need to be stored in a safe place?
the fuel remains active for thousands of years and is very deadly to humans causing certain death
How long does nuclear waste need to be safely stored?
1,000,000 years
Does Nuclear fission as used in nuclear power plants produces radioactive waste with long half lives?
yes, Nuclear fission as used in nuclear power plants produces radioactive waste with long half lives. However, this creates no problems. This wastes are either confined in the spent nuclear fuel (that is stored either in wet storage or in dry storage facilities) or stored as vitrified nuclear waste.
What is energy stored for use at a later time?
In current nuclear power plants, nuclear energy is released when U235 undergoes fission. This energy is not stored, it is used as soon as it is released, to produce electricity.
Elemets that contain high binding energies in the nucleus are likely to release stored energy through -Nuclear Fission -Nuclear Fusion -Kinetic Energy -Chemical Energy?
Nuclear fission - if large atomsNuclear fusion - if small atoms under high temperature and pressureNuclear decay - atoms of any size if unstableThe products of any of these processes usually have high kinetic energy, which is another way of saying they release heat.
Define Nuclear power?
The energy released by a nuclear reaction, especially by fission or fusion.
Did the energy that is stored in fossil fuels come from fission or fusion reactions from the sun?
Not fission. The sun's energy is produced by nuclear fusion, and that energy produced all the vegetation which turned into fossil fuel.
What is the purpose for nuclear waste?
Nuclear waste is an unfortunate by-product of the process of nuclear fission for the purpose of energy production. The spent fuel rods are "safely" stored and sequestered, but will remain dangerous for thousands of years. As far as I know, there is no "purpose" for nuclear waste, other than to convince people that they do not want a power plant in their backyard. The theoretically possible process of nuclear fusion (which is how the sun works) would produce less radioactive material and waste.
