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Fission of U-235 or Pu-239 is not very sensitive to temperature, but neutrons are absorbed better if they are slowed down after production, this is the function of the moderator.

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Which is the more difficult process for humans to perform fission or fusion why?

Fission. Fusion can be achieved at room temperature and pressure , Fission (seems to) requires extremely high temps and pressures.


Is hydrogen ever created in nature by nuclear fission?

Yes In high temperature gas cooled nuclear fission reactors using the nuclear process heat.


Would nuclear fission at a colder temperature effect the energy produced by the fission?

Probably, I'm no science but everyone knows that at 0 Kelvin Is the temperature at which everything stops moving, Absolute Zero. So I assume a fission at a colder temperature would effect the energy produced but keep in mind that at very cold temperatures the equipment being used may not function correctly. But Don't Take my word for it.


Energy produces nuclear fission in kelvin?

Kelvin is not really an energy unit. It's a unit of temperature.


Where do you get nuclear fission?

You get nuclear fission in:nuclear fission reactorsatomic fission bombs


What is the temperature of mendelevium?

Impossible to make any measurements having only femtograms of Md.


Prokaryotic cells reproduce by a process called?

binary fission


What is fission product?

Fission products are the fragments resulting from the fission of heavy nuclids during nuclear fission process


What is the splitting of an atoms nucleus into two smaller nuclei is called?

nuclear fission


Why are fusion reactors not yet present day reality like fission reactors?

Only beacuse of starting trouble. Any way we need billion kelvin temperature to start with for which we have to rely on fission reaction. One more important point we cannot have a controlled fusion reaction as we do so in fission ie nuclear reactor using control rods.


Why nuclear fission take high temperature for a raection?

Not at all, the temperature of U-235 or Pu-239 which are used for nuclear energy production by fission, has no effect on the fission reaction, which is driven only by the capture cross-section for neutron capture. Slow neutrons are captured more strongly than fast ones, so it is an advantage for the moderator not to be at a high temperature.


When the core of a star reaches 10000 K pressure within the star is so great that nuclear fission of hydrogen begins.?

It's fusion, not fission. And you won't get fusion at ten thousand kelvin. You need a much higher temperature - a few million kelvin.