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-1 votes
1 answer
60 views

Is there more efficient reaction for generating hydrogen rather than HCl+Al [closed]

I want to generate hydrogen to acquire known pressure inside of an object. I have calculated required mole number for hydrogen using the ideal gas equation by giving wanted pressure, volume and ...
Barış Doğa Yavaş's user avatar
13 votes
4 answers
23k views

At what pressure will hydrogen start to liquefy at room temperature?

I want to increase a fixed-size object's internal gas pressure by generating hydrogen in it, but I could not find the proper phase diagram for it. So I am wondering how high pressures I can get.
Baris's user avatar
  • 149
2 votes
1 answer
383 views

How can I generate 250 GPa to create metallic hydrogen?

In the preparation of metallic hydrogen, how does one conjure up such immense pressures? I mean, I read that something like diamond anvils were used to contain the hydrogen, but now, in accordance ...
SubZero's user avatar
  • 1,337
3 votes
1 answer
220 views

Control the pressure of Hydrogen in a small container without the use of a pressure regulator

I had recently asked this question, and due to the comments and general consensus of safety concerns, I decided to re-ask the question, attacking the problem from another angle. The Problem I need to ...
Nick Pandolfi's user avatar
5 votes
1 answer
2k views

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 ...
Daniel's user avatar
  • 161