Questions tagged [hydrogen]
Questions regarding the chemical properties of hydrogen and its behavior in reactions and compounds.
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Lifetime of a (reversible) hydrogen fuel cell system
I am trying to determine how long a system that constantly converts water into H and O and then back will last, as in roughly how many cycles. Now this system can either be made of say a reversible ...
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Why is platinum used as a catalyst in fuel cell electrodes (and elsewhere)?
I have rather basic knowledge of chemistry (at the level of a first year college class). But maybe somebody can still clarify with some simple words: What makes platinum a good catalyst for the ...
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How do I calculate the change in energy of an electron transition?
What are the $\Delta E$'s of the transitions of an electron from $n=5$ to $n=1$ and from $n=5$ to $n=2$ in a Bohr hydrogen atom? The wavelength of the first electron transition is $\lambda_1=409~\...
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What does HTO decay into?
I'm aware that tritium undergoes beta decay forming Helium-3. But in the case of HTO, what does it decay into? I don't suppose it decays into HeHO.
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Will compressed hydrogen float in air?
Imagine a container of fixed volume is taken and hydrogen gas is filled in it, as a result the container floats in air. But if in the same container is filled with so much hydrogen that the hydrogen ...
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The ionization energy of H₂⁺ molecule ion
I am trying to compute the ionization energy of $\ce{H2+}$ molecule ion from the electronic energy spectrum. The question is whether one should use the purely electronic Hamiltonian or the Hamiltonian ...
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Can 1 mole of H2 react partially with one mole of O2?
I am currently studying stoichiometry (high school level) and we came across the following equation in school:
$\ce{2H2 + 1O2 -> 2H2O}$
which is clear to me. We learned in school that reactions ...
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Is real water made up of heavy water and light water?
I need to know, is real water made up of heavy water which is formed with deuterium, and light water which is water by protium?
We know that hydrogen has three major isotopes, including protium and ...
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Is it dangerous to inhale the steam coming from electrolysis of salt-water solution [closed]
Is chlorine in there that accumulates (at the anode) and emerge out as chlorine gas? I was worried since I added a pinch of salt to the steamer in order to hasten the heating of tap water when I ...
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Why do batteries specifically vent *hydrogen* in the event of abuse?
When a battery is subject to overcharging or overdischarging (including attempts to recharge a primary cell), it may vent hydrogen. It seems that every type of electrochemical battery I've read about ...
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Different reactions of clean and rusty iron nails in vinegar (acetic acid)
I have submerged a iron nail in vinegar twice recently. What is puzzling me is the different results each time. The first time I submerged it, it was covered in rust. When I put it in the solution of ...
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Why are there multiple lines in the hydrogen line spectrum?
Hydrogen has only one electron, yet it exhibits multiple lines in a spectral series, why is this?
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Can a spark ignite hydrogen?
Can a spark ignite hydrogen? Also, what about the tip of a cigarette? I've heard that hydrogen is very explosive. Thanks
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Can natural gas appliances run on Hydrogen?
Can natural gas appliances run on Hydrogen? If so, does the appliance have to be modified and how significant of a modification would it need?
Thanks
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Finding Pv in Pv=nRT for molecular hydrogen
I'm attempting to write a small program that will calculate the values for the Ideal Gas Law, specifically for molecular Hydrogen (H2) in space. Eventually, this will grow to be a sort of "simulator",...
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