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Mmconnelldouglas posted the thread Why not use hydroxides as the ion source in ion thrusters in Aerospace Engineering.Why can't dissolved hydroxides (for example KOH) be used as ions in ion thrusters? (K+) and (OH-) ions do not require any energy to form...
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Mmconnelldouglas posted the thread Graduate Can protons leave the proton-exchange membrane of a working fuel cell? in Atomic and Condensed Matter.Can protons leave the proton-exchange membrane of a working fuel cell instead of reaching its cathode because of a strong external...
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Mmconnelldouglas reacted to Baluncore's post in the thread Graduate The passage of negatively charged ions through a thin metal wall with
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Welcome to PF. It is NOT possible for oxygen gas to diffuse through solid aluminium metal. The space between the nuclei of aluminium... -
Mmconnelldouglas posted the thread Graduate The passage of negatively charged ions through a thin metal wall in Atomic and Condensed Matter.Assume a few mm-thick aluminium wall behind which is placed some number of negatively charged oxygen molecules. (The diameter of oxygen...