Sentences with phrase «form hydrogen»

The polymer can readily form hydrogen bonds with water.

Meanwhile, Christner says, unraveling the chemistry of ice - binding proteins (which tend to form a hydrogen bond with water molecules) could have important biotech applications.

The hydrogen ions will join up to form hydrogen gas.

For instance, Schoenmann explains, microscopic particulates in the air will form hydrogen bonds with a painting's surface so that «no amount of water or scrubbing will be able to remove that dirt.

The pumped hydrogen can pair up with the reduced sulfur (S - 2) to form hydrogen sulfide, a gas that can easily diffuse back across the membrane for a repeat cycle.

I live in Sweden and the Food Agency recently recommended against eating ground flax seeds because cyanogenic glycosides in flax seeds form hydrogen cyanide which may be harmful to your health.

About 378,000 years after the Big Bang, as the universe cooled and expanded, electrons and protons began to bind together to form hydrogen atoms.

This figure also shows that all of the compounds identified possible form hydrogen bonds between the Glu66 residue and the carboxamide group.

The polymer and the agent form hydrogen bonds, weak electrostatic connections between polymer's hydrogen and an agent's oxygen atom.

Carbonic acid dissociated to form hydrogen ions, which found their way into the structures of weathering minerals, and bicarbonate, which was carried down rivers and streams to be deposited as limestone and other minerals in ocean sediments.

The other promising route is to create «artificial leaves» which are capable of achieving at least one important thing that photosynthesis does, splitting water to form hydrogen and oxygen.

The reaction combines the hydroxyl molecule (OH, produced by reaction of oxygen and water) and carbon monoxide (CO, a byproduct of incomplete fossil fuel combustion) to form hydrogen (H) and carbon dioxide (CO2, a «greenhouse gas» contributing to global warming), as well as heat.

«Most self - healing polymers form hydrogen bonds or metal - ligand coordination, but these aren't suitable for ionic conductors,» Wang says.

The amino acid proline is special among the natural amino acids because it can not form hydrogen bonds to other structural parts of the peptide when integrated in a peptide.

After 10 or 20 minutes, there was an enormous amount of the subatomic materials needed to form hydrogen, which is the building block of stars and galaxies.

In Collet's setup the methane would be partly burned to form hydrogen and carbon monoxide.

These groups readily form hydrogen bonds that helped the fibers make tight contacts with one another, further strengthening the material.

Molten metal alloys catalyze methane pyrolysis to form hydrogen and removable surface carbon.

The electrical current can also be channeled to form hydrogen gas through the addition of electric power from a small photovoltaic cell that absorbs the excess light.

As for what they were doing, once the universe was cool enough to form hydrogen atoms, it was also cool enough for those elements to start interacting with each other and combining into molecules.

Cosmic and biological evolution involve change in structures — as, for example, when electrons and protons form hydrogen atoms.

First, they occurred quickly and the resulting nucleotides spontaneously paired with each other in water, forming hydrogen bonds like the Watson - Crick base pairs that create the «ladder - rung» pattern inside RNA and DNA helixes.

And as the glucose in honey breaks down in air, it naturally forms hydrogen peroxide, an antiseptic agent.

High concentrations result in acid forming hydrogen bonds and more structure, reducing dissociation

For higher mass stars with up to 10 solar masses, the hydrogen surrounding the helium core reaches sufficient temperature and pressure to undergo fusion, forming a hydrogen - burning shell.

The positive charges, called holes, can oxidize water, evolving O2 and forming hydrogen ions (H +).

Positioned close to each other, the opposites attract and the conglomerate solidifies into a molecule, forming hydrogen gas.

Not exact matches

The first stage used Rocket Propellant - 1, a form of kerosene similar to jet fuel, while the second and third stages relied on liquid hydrogen for fuel.

Hydrogen - sulfide ice can form clouds, but the solid crystals are hard for chemical - analyzing instruments called spectrometers to study.

The discovery of hydrogen sulfide may help piece together the story of how the solar system formed and arranged itself some 4.6 billion years ago.

You compress the hydrogen and you get conditions when fusion is happening, when tritium and deuterium, special forms of hydrogen, start fusing together making helium, which we have a term for, an alpha - particle.

If humans were not designed by a higher authority, how can each individual's DNA be uniquely different among the human species, especially different than the other animals; how can the life sustaining elements be constantly available and exist in exact formulations: O, H, C etc. water is always 2 atoms of Hydrogen and one atom of Oxygen; sugar, fats, grains, and any bio-chemical products can be broken down to their simplest forms of elements, but can be re-constructed with specific (not by chance) formula.

Cells formed from four basic ingredients... methane, ammonia, hydrogen and water... all of which were in abundance in early earth history.

Almost the only elements present in interstellar space are hydrogen and helium — and the latter, being an inert or noble gas, is not a component of life in any form known to man.

The present estimate is that, since hydrogen forms 25 % of all matter by mass and helium 75 % of all matter by mass, all the heavier nuclei appear to be extremely rare — not more than 1 or 2 % by mass.

At the very bottom of the board we have the 92 simple chemical elements (from hydrogen to uranium) formed by groups of atomic nuclei together with their electrons.

Without hydrogen there would subsequently have been no heavy elements, which were formed by the fusion of hydrogen nuclei.

and this would probability lead to all the stars burning out too... the night skies go black as all the Hydrogen is used up eventually or to thinly spread out to form new stars... 5.)

Every atom that make up this planet, every plant, every creature above hydrogen (and a small percentage of helium) was formed in the belly of a dying star, including the gold.

I will return to the basic elements that form all of the universe... Carbon, hydrogen, oxygen.

Since then, the Steady State Theory has been disproven, and the Big Bang Theory has been shown to be correct, vindicating a form of «Creationism», which not only explains «let there be light» (the early universe was dominated by radiation — light), but explains of separation of light and darkness — the decoupling era, about 300,000 earth years after the big bang, when the universe cooled below the ionization energy of hydrogen, allowing it to become transparent for the first time.

The result of this sustainable practice is renewable energy in the form of methane gas, carbon dioxide, and a small amount of hydrogen sulfite.

Says Jordan, «We used the CRaTER measurements to get a handle on how much molecular hydrogen has been formed from the water ice via charged particles.»

By finding places in the sky where radio telescopes pick up these 21 - centimeter emissions, astronomers can identify light from faraway, hydrogen - rich regions so ancient they date back to the era when stars were starting to form.

Ionized hydrogen atoms could then easily combine with oxygen, forming our H2O ice.

Hydrogen atoms remained in this neutral state until stars and galaxies began to form.

«After the finding, there were a couple of ideas for how molecular hydrogen could be formed but none of them seemed to work for the conditions in the crater or with the rocket impact.»

The substance, which consists of a fluid of hydrogen ions running through a lattice of oxygen, was formed by compressing water between two diamonds and then zapping it with a laser.

As the gas becomes denser, two hydrogen atoms could occasionally combine to form a single hydrogen molecule.

He says this might be the most interesting epoch of all — a time when the primordial clumps of hydrogen took shape, becoming the clouds from which the first stars and galaxies would eventually form.