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you either drop the temperature to freezing which is 14.01 K or put it under high pressure.
Common hydrogen and at very high pressure hydrogen turns metallic (beta-hydrogen)
I'm guessing here, but I think you are asking about nuclear fusion. in that case, what happens when a hydrogen atom hits a helium atom? Not much. Fusion would require two hydrogen atoms. What would happen when two hydrogen nuclei hit together? If the pressure and temperature were high enough, the two hydrogen nuclei would fuse, creating an atom of helium, along with a high explosive force and an extremely high release of heat.
All diamonds are formed under high pressure - - and high heat.
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Hydrogen is not an efficient conductor of electricity under normal conditions, but can be made to conduct well at a low temperature under very high pressure.
you either drop the temperature to freezing which is 14.01 K or put it under high pressure.
Crystallines can liquefy under pressure if it is sufficiently high. Generally the opposite happens where they become more dense and compressed as the pressure increases.
If the compression is high enough you get a diesel engine.
No, veins are not under high pressure. High-pressure vessels are the arteries.
N2 + 3h2 2nh3
Common hydrogen and at very high pressure hydrogen turns metallic (beta-hydrogen)
The element hydrogen does have a metallic form, which exists under conditions of both low temperature and high pressure. Under more usual conditions hydrogen is a gas and as such, has no luster. As a metal it has a metallic luster much like other metals.
Hydrogen becomes a liquid at 20.28K and high pressure.
High pressure reactor is a chemical reaction vessel which can conduct a reaction under pressure. The pressure can be caused by the reaction itself or created by an external source. Reactor can be used for sample modification with hydrogen, carbon dioxide, acetylene etc.
the balanced equation is N2 + 3H2 = 2NH3
A solution under a high pressure