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Hydrogen
Title: Hydrogen
Category: Science & Technology
Details: Words: 618 | Pages: 2.6 (approximately 235 words/page)
Hydrogen
Hydrogen
Hydrogen is the lightest element. It is by far the most abundant element in the universe and makes up about about 90% of the universe by weight. Hydrogen as water (H2O) is absolutely essential to life and it is present in all organic compounds. Hydrogen gas was used in lighter-than-air balloons for transport but is far too dangerous because of the fire risk (Hindenburg).
commercial fixation of nitrogen from the air in the Haber …showed first 75 words of 618 total…
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…showed last 75 words of 618 total…making up about about 90% of the atoms or 75% of the mass, of the universe. Hydrogen is a major constituent of the the sun and most stars. The sun burns by a number of nuclear processes but mainly through the fusion of hydrogen nuclei into helium nuclei. Hydrogen is a major component of the planet Jupiter. In the planet's interior the pressure is probably so great that solid molecular hydrogen is converted into solid metallic hydrogen.
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