Answer:
Atomic hydrogen is produced when
dihydrogen is passed through an electric arc established between tungsten
electrodes.
\[{{H}_{2}}\xrightarrow[arc]{Electric}2H;\,\,\,\,\,\Delta
H=435.9kJ\,mo{{l}^{-1}}\]
The life period of this form of hydrogen is only 0.3 seconds.
It immediately recombines to form dihydrogen. In this process it liberates huge
amount of heat energy. This heat energy is used for cutting and welding
purposes either in the form of atomic hydrogen torch or oxy-hydrogen torch. The
oxy- hydrogen torch produces about 4000K temperature.
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