Questions tagged [hydrogen]
Questions regarding the chemical properties of hydrogen and its behavior in reactions and compounds.
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Hydrogen bonding in complex compounds?
Does the water molecules in coordinated water (where water acts as ligand) form hydrogen bonding with other complex molecules? Will the water molecules inside the complex form intramolecular hydrogen ...
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Photoionisation microscopy of hydrogen - where are the p orbitals?
In this Physics Review Letters article, which was published in 2013, but I found recently, the authors report photoionisation microscopy images of hydrogen atoms in various electronic states.
A. S....
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How much energy is stored when H+ is converted to H2?
I'm doing a write-up for this for my students:
Source: Amirav Research Group (Facebook)
The energy of formation of isopropyl alcohol is $-318.2~\mathrm{kJ/mol}$ (kilojoules per mole), that of ...
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Deuterium removal from water
What percentage of deuterium might be removed from water after a typical electrolysis procedure? From a post on this site I read that, "In the first stage, $\ce{NaOH}$ solution (initially $0.5\rm{M}$) ...
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What exactly happens when vegetable oil is partially hydrogenated?
My current assumption is that partial hydrogenation requires a polyunsaturated fat, because partial implies at least one but not all, which means there must be at least two double bonds in the fat, ...
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Is lithium hydride a salt?
Hydrogen is generally considered a non-metal, and a non-metal and a metal often makes a salt. However, lithium hydride seems like a special case. The wikipedia article does not clearly state if the ...
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Hydrodehalogenation of aryl chlorides
Palladium is the "go to" heterogeneous catalyst for dehalogenating aryl chlorides using hydrogen. What are the chemical (not economic) reasons for other precious metal catalysts not being as common or ...
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What is the relation between dielectric constant and hydrating tendency?
What is the relation between dielectric constant and hydrating tendency?
Could someone also explain both terms?
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How difficult is it to produce diatomic hydrogen?
Just to preface this, I have a very basic understanding of chemistry, so forgive me if what I'm asking is super basic.
How difficult is it to produce diatomic hydrogen? I've been doing some reading ...
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Why are hydrogenation reactions exothermic?
I learned that all reactions that yield hydrogen are endothermic (such has reforming) and reactions that use up hydrogen are exothermic (FCC cracking, hydrogenation, etc.). But why is this so? I know ...
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Water splitting ways [closed]
Do you know the frequency you can split hydrogen from the water bonds? I have doing at now but i need to absorb more than 3 liters gas hydrogen per minute. My device working only with one ampere by ...
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How many bonds can Hydrogen make?
Recently I saw a video which told me that Hydrogen has a valency of 1, i.e, Hydrogen can only bond with 1 other atom. But since hydrogen wants a complete shell, it can have 2 covalent bonds with 2 ...
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Why doesn't hydrogen displace metals from their oxides?
As I understand it, a displacement reaction is where a more reactive element kicks out a less reactive element from a compound.
For example, chlorine is more reactive than iodine, so chlorine will ...
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Can gaseous hydrogen and gaseous oxygen be compressed without reaction?
I'm looking into building a clean Bunsen-style burner (or rocket engine - I haven't decided yet). I will be using electrolysis to extract hydrogen and oxygen from water, but the apparatus I am ...
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Why doesn't hydrogen peroxide decompose into hydrogen and oxygen?
I'm trying to understand why hydrogen peroxide doesn't decompose into $\ce{H2}$ and $\ce{O2}$, but instead into $\ce{H2O}$ and $\ce{O2}$.
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