Sentences with phrase «with hydrogen and oxygen»

When neutron particles collide with hydrogen and oxygen particles, some of the kinetic energy from the neutron is transferred to the water molecule, much like a cue ball hitting another billiard ball of the same size.

They next measured overall energy expenditure by giving volunteers water laced with hydrogen and oxygen isotopes and measuring how much was excreted in urine.

Not exact matches

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.

Cats give birth to kittens, not woodchucks, oxygen bonds with hydrogen to make water and not alcohol.

Physics is sufficiently advanced today to define many substances very perfectly, in their very essence, in terms of those causes which constitute them, and in this we see that the active relationship by which, let us say, oxygen and hydrogen are defined as causes of water in a given relativity, is an active potency in those causes of dynamic finality with respect to the composite substance which is water.

Previously, researchers assumed that positively charged hydrogen could only create hydrogen bonds with negatively charged elements like oxygen, fluorine and nitrogen.

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.

There are basically two types of lines, those produced by collisions between the atoms or ions and the electrons in the surrounding gas, which are called collision lines, and which are very bright for elements such as oxygen, nitrogen and neon, and lines which are produced when ions capture free electrons, which are called recombination lines, and which are bright only for those gases with the highest abundances in the interstellar medium: hydrogen and helium.

Hydrogen gas is a promising alternative energy source to overcome our reliance on carbon - based fuels, and has the benefit of producing only water when it is reacted with oxygen.

When the enzyme catalase comes into contact with its substrate, hydrogen peroxide, it starts breaking it down into water and oxygen.

Kanzius had essentially replicated the centuries - old method of water electrolysis, separating water into hydrogen and oxygen gases by running a current through water loaded with salt, which makes it conductive.

Experimenting with a home chemistry kit, he ran electricity through an aqueous solution to generate oxygen and hydrogen.

At high heat, the cladding interacts with the surrounding water vapor, binding tightly to the oxygen and freeing the hydrogen, which escapes as a gas.

Clean renewable energy can be produced by photocatalytically splitting water into hydrogen and oxygen with solar energy.

Above 1300 degrees, the iron oxides will begin to crack, and the oxygen will combine with the hydrogen, flashing off as water vapor.

In conventional water splitters, the hydrogen and oxygen catalysts often require different electrolytes with different pH — one acidic, one alkaline — to remain stable and active.

Complex organic molecules, consisting of carbon bonded with other elements like oxygen and hydrogen, are common in the Milky Way, but it was uncertain whether they would be produced in certain dwarf galaxies like the neighboring Large Magellanic Cloud.

In the other mechanism posited, one hydrogen atom associates with an oxygen atom to make OH and the other hydrogen atom associates with a cerium atom to make cerium hydride (CeH).

And if hydrogen is fed into a fuel - cell stack — a batterylike device that generates electricity from hydrogen and oxygen — it can propel an electric car or truck with only water and heat as by - products [see «On the Road to Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 200And if hydrogen is fed into a fuel - cell stack — a batterylike device that generates electricity from hydrogen and oxygen — it can propel an electric car or truck with only water and heat as by - products [see «On the Road to Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 200and oxygen — it can propel an electric car or truck with only water and heat as by - products [see «On the Road to Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 200and heat as by - products [see «On the Road to Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 2005].

With no nuclear fusion to sustain them, they collapse into Earth - size balls of tightly bound carbon and oxygen nuclei with an outer layer of hydrogen plasma (disrupted atoWith no nuclear fusion to sustain them, they collapse into Earth - size balls of tightly bound carbon and oxygen nuclei with an outer layer of hydrogen plasma (disrupted atowith an outer layer of hydrogen plasma (disrupted atoms).

The damage sensors lit up first, with the hydrogen peroxide marker following moments later, suggesting that the reactive oxygen molecules are indeed a sign, and not a cause, of injury.

Compared with other key elements of life — such as oxygen, hydrogen and carbon — molecular nitrogen is very stable.

While lower - energy ultraviolet radiation breaks up water molecules — a process called photodissociation — ultraviolet rays with more energy (XUV radiation) and X-rays heat the upper atmosphere of a planet, which allows the products of photodissociation, hydrogen and oxygen, to escape.

He said the free electrons on the leaf's surface then interact with water, catalyzing its split into oxygen on the leaf's light side and hydrogen on the dark side.

Earth's exosphere consists mainly of hydrogen with traces of helium, carbon dioxide and atomic oxygen.

Rice University scientists have created an efficient, simple - to - manufacture oxygen - evolution catalyst that pairs well with semiconductors for solar water splitting, the conversion of solar energy to chemical energy in the form of hydrogen and oxygen.

They make good fuels because the energy stored in the bonds between carbon and hydrogen is abundant and easy to release in combustion with oxygen.

Many of us are familiar with electrolytic splitting of water from their school days: if you hold two electrodes into an aqueous electrolyte and apply a sufficient voltage, gas bubbles of hydrogen and oxygen are formed.

First, the chemists release the hydrogen from its bonds with carbon by mixing methane with oxygen, throwing in a catalyst, and turning up the heat.

«That's what his advance is pointing towards,» he says, «finding an alternative catalyst that will allow us to do oxygen evolution (breaking the bonds of water or H2O and forming oxygen) in concert with hydrogen» on a grand scale.

The highly reactive radical, Cl •, then abstracts a hydrogen atom of CH4 to give methyl radicals, CH3 •, which in turn react with oxygen to produce valuable methanol and formic acid.

Currently, electrolyzers (machines that split water into its constituent hydrogen and oxygen) need a catalyst, namely platinum, to run; ditto fuel cells to recombine that hydrogen with oxygen, which produces electricity.

Hydrogen and oxygen can be harvested from water in a process called electrolysis using expensive platinum electrodes and a solution with a high pH value.

Powered by the electricity generated when hydrogen and oxygen combine to form H2O and with upholstery fabric made of fermented corn, the Clarity sure sounds green.

When ocean storms bump into mountains, raindrops burdened with heavy isotopes of oxygen and hydrogen are the first to precipitate.

First, they reacted their pyrolysis oils with hydrogen over a ruthenium and platinum catalyst, which stripped out much of the oxygen from the acids and added hydrogen.

MacDonnell also has worked on developing new photocatalysts for hydrogen generation, with the goal of creating an artificial photosynthetic system which uses solar energy to split water molecules into hydrogen and oxygen.

Atoms of most elements, such as hydrogen, oxygen and carbon, form tight chemical bonds by sharing electrons with their neighbours in order to give each atom a stable configuration of electrons.

But any closer investigation of ice and its remarkable properties has to start with water molecules — each with one oxygen atom joined to two hydrogen atoms.

After the opening scene - setting chapters, the reader is well rewarded with many nuggets: the story of his tramps around France mapping its geology; his fortitude in redistil - ling pure water for 101 days to prove that it would not turn into «earth» (he later proved that it consisted of hydrogen and oxygen); his marriage; his tests for tobacco adulteration; his brush with death at the gunpowder factory; his examination of mesmerism; his tragic final years; and, of course, his main discoveries and contributions, including his exchanges with the English scientist Joseph Priestley.

The researchers discovered that these catalysts — copper in the form of a white salt and the ligand as an oil — can oxidize C - H bonds in a very efficient way in combination with hydrogen peroxide, a reduced form of oxygen that nature uses.

Two - way fuel cells Meanwhile, Versa, a solid oxide fuel cell stack supplier, is working with Boeing and «a large European company» on an innovative reversible SOFC that cycles back and forth between providing power and electrolyzing water into hydrogen and oxygen, Stokes says.

Roth and his colleagues instead went looking in Hubble's ultraviolet images, which can capture the light emitted when hydrogen and oxygen molecules collide with stray electrons.

Yet in water, this coating can dissolve, releasing the TiO2 and allowing it to react with sunlight and oxygen to form numerous compounds, one being hydrogen peroxide, or H2O2.

The cloud consists of ionized gas, or plasma, and contains the elements hydrogen, helium, and oxygen, along with heavier elements that were generated during the blast itself.

As caterpillars grow, they take on a characteristic chemical signature of the environment, with hydrogen, oxygen and other elements fixed in tissues in varying amounts.

I've come to Bumpass Hell with David Deamer, a biochemist from the University of California, Santa Cruz, to watch him run an experiment recreating one of the most important episodes in the history of life: when carbon, hydrogen, oxygen, nitrogen and phosphorus came together in the primordial soup to form amino acids, DNA and the rest of life's building blocks.

And so the hydrogen is being vented with the steam and it's entering some area, some building, where there is oxygen, and that's where the explosion took place.&raqAnd so the hydrogen is being vented with the steam and it's entering some area, some building, where there is oxygen, and that's where the explosion took place.&raqand it's entering some area, some building, where there is oxygen, and that's where the explosion took place.&raqand that's where the explosion took place.»

What's more, the stellar core is almost entirely carbon and oxygen, with no trace of hydrogen and helium — the main constituents of stars.

Cortright and chemical engineer James Dumesic discovered in their university lab back in 2001 that by starting with water and various carbohydrates from plants — basically, carbon, hydrogen and oxygen compounds — and using catalysts, heat and pressure, they could start creating CO2 and hydrogen and then use that hydrogen to eliminate the oxygen as water (the process produces more water than it consumes).