Physical: almost colorless, less inconstant than water, denser than water, more viscous than water, miscible in spa water.

mp: -.41 deg C
bp: 150.2 deg C
density: 1.6434 g/cm3 (solid at -4.5 C)
1.

kickapookidonthefritz | Oct 17, 2006

Chemical Properties of Hydrogen - The Galloway School

In tandem with a task about Dmitri Mendeleev, the inventor of the Periodic Table, these eight grade students do a laboratory trial in which ...

Properties of Hydrogen

In this video the method to make ready hydrogen is give and explosive reactions are performed with it

Chemical Properties Of Hydrogen Combustion

Balk us out at www.tutorvista.com Hydrogen gas (dihydrogen) is highly flammable and will burn in air at a very wide range of concentrations ...

The sun is mostly made of hydrogen — the medium makes up 90 percent of the sun's mass, while helium contributes about 10 percent, and only 0.13 percent is everything else. Because the sun is so exceedingly hot (an average of 9944 degrees Fahrenheit, or 5,500 degrees Celsius) this hydrogen is principally in the form of single ionized atoms — that is, only the hydrogen nucleus — floating around in gaseous procedure.

However, inside sunspots the surface of the sun can cool enough to allow two hydrogen atoms to agreement together to form hydrogen molecules. [ Photos: Sunspots on Turf's Closest Star ]

When two atoms combine into one molecule, the lean on it exerts is about half the pressure of the two particles it used to be. And when the pressure decreases like this, the seductive fields can further intensify.

"The formation of a large fraction of molecules may have eminent effects on the thermodynamic properties of the solar atmosphere and the physics of sunspots ," Jaeggli said.

Source: Space.com

Hydrogen Peroxide Teeth Whitening Guide - Lazydesis

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Hydrogen peroxide is an acid indistinguishable with oxidant which act as a bleaching ingredient where the hand-me-down in the teeth whitening solutions. It is also often found in toothpaste, disinfectants, and washes of entry. Hydrogen peroxide bleaching of teeth can be completed in a count of odd ways.There are many commercial solutions easily obtained on the basis of customers that hydrogen peroxide as a bleaching step force, and you can easily form your own answer by using hydrogen peroxide teeth Whitening retirement....

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Milky Way Hydrogen Gas Clouds Reveal Details Of Galaxy Evolution

"We've concluded that these clouds are gas that has been blown away from the Galaxy's slip by supernova explosions and the wild winds from unfledged stars in areas of impassioned celebrated founding," said H. Alyson Ford of the University of Michigan, whose Ph.D theory analysis from Swinburne University formed the base for this development.  "These clouds were first detected with the Resident Study Grounds's Robert C. Byrd Leafy Bank Reflecting telescope, and are from head to toe baffling. They are in a transitional quarter between the disk and the Painting vesica, and their descent has been up in the air," Lockman explained. The digging troupe second-hand details from the Galactic All-Sky Look into, made with CSIOR's Parkes crystal set reflecting telescope in Australia. The sensational disagreement, they credence in, is because the tract with more clouds lies intimate the tip of the Galaxy's cardinal "bar," where the bar merges with a vital corkscrew arm. This is an space of severe illustrious generation, containing many unsophisticated stars whose heavy winds can send gas away from the quarter....

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