Sentences with phrase «oxygen gas»

Instead, water is divided into oxygen gas, positive hydrogen ions, and electrons that are transferred into another circuit.

That observation suggested the laser must also have produced oxygen gas.

Using gasoline as fuel in your car involves burning it, in other words, reacting it with Oxygen gas from the air.

Ozone is an unstable form of oxygen gas with molecules made up of three oxygen atoms rather than the usual two.

Kourosh Kalantar - Zadeh, an engineer at the Royal Melbourne Institute of Technology in Australia, and his colleagues built plastic capsules about 2.5 centimeters long — about as long as a Jolly Rancher hard candy — that sniff out carbon dioxide, hydrogen and oxygen gas molecules in the gut.

Until an atmospheric ozone - layer develops from oxygen gas released by early photosynthetic bacterial life such as cyanobacteria, Earth - type life may need to stay underwater to stay shield from damaging stellar ultraviolet radiation even under less active stars.

The technique could be used as a detection sensor for hydrogen or oxygen gases as well as for property controls of organic semiconductors and organic light emitting diodes (OLEDs).

In one scenario, interstellar clouds contain tricky - to - see oxygen gas, which got caught up as the cloud collapsed into a disc, then flash - froze and stuck to tiny grains of ice.

Oxygen gas sensors are extensively used to monitor the oxygen concentration in automotive exhaust and in medical instruments such as anesthesia monitors and respirators.

«While more detailed studies are required to fully understand this phenomenon, our observation suggests a potential application for oxygen gas sensing,» Li said.

The photoanode uses sunlight to oxidize water molecules to generate oxygen gas, protons, and electrons, while the photocathode recombines the protons and electrons to form hydrogen gas.

Once the carousel is back on board, researchers analyze the water samples to determine their chemical properties such as the amount of dissolved oxygen gas and the levels of biologically important nutrients, including phosphates, sulfates, and nitrates.

Scientists first proposed a single - step procedure to synthesize hydrogen peroxide in 1914, combining pure hydrogen and oxygen gases over a material called a catalyst, which accelerates the chemical reaction by lowering the energy barriers preventing the components from combining, but doesn't itself become transformed.

Just like when two atoms of hydrogen gas and one atom of oxygen gas violently collide, they produce water.

An experiment that used lasers to zap carbon dioxide suggests ultraviolet light from the sun might have helped boost oxygen gas levels in Earth's ancient atmosphere.

To fuel the micromotors in water, researchers added hydrogen peroxide, which reacts with the inner platinum surface of the micromotors to generate a stream of oxygen gas bubbles that propel the micromotors around.

Enriched Air Nitrox refers to any nitrogen / oxygen gas mixture with an oxygen concentration higher than the 21 percent found in normal air - 32 percent oxygen is the most common — and tanks filled with EAN are often clearly marked with a nitrox tank band and have the mix percentage written somewhere near the tank valve.

Blizzard's World of Warcraft can walk through the Sahara without water, climb the Everest without additional oxygen gas and swim across the Atlantic without even feeling exhausted.

Cobalt, potassium, and phosphate migrate to the electrode, forming a catalyst that begins splitting water molecules into oxygen gas and hydrogen ions.

Like Nocera's original device, Gamelin's technology is also only able to produce oxygen gas and hydrogen ions.

The catalysts in the air cathode aids the electrochemical reaction of the cell with oxygen gas.

As a consequence, a tank of oxygen gas would have to be part of the battery system, making it prohibitive for use in electric vehicles due to space requirements.

There's a cathode and an anode; at the anode, water is split into protons and oxygen gas, and at the cathode, CO2 is electrochemically reduced to other value - added chemicals, such as carbon monoxide, methane, ethylene.

After water has collected inside the machine's central container, the bot uses a device to split water into hydrogen and oxygen gas.

Nocera had been working on a «bionic leaf» in which solar panels provide the energy to split water into hydrogen and oxygen gases.

With energy captured from the sun, water stored in tanks at the bottom of the «L» is electrolyzed into hydrogen and oxygen gases, which will combust in short bursts, 30 minutes to an hour apart, to provide propulsion.

It uses channels modelled on the bronchial structure of the lungs to supply hydrogen and oxygen gas to their respective electrodes.

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.

BUGGING OUT Not only can this insectlike robot fly and swim, but it also splits water into hydrogen and oxygen gas, which the bot ignites to propel itself from the water.

Stanford University scientists have invented a low - cost water splitter that uses a single catalyst to produce both hydrogen and oxygen gas 24 hours a day, seven days a week.

«Specifically, we introduced an orthoquinone moiety to the PAC that possessed the most ideal switching properties under a redox reaction with hydrogen and oxygen gases.»

Store organics away from oxidizing gases (halogens, oxygen gas), oxidizing liquids (hydrogen peroxide solutions, organic peroxides, nitric and sulfuric acids), and oxidizing solids (nitrate, perchlorate, transition metal salts, permanganates, molybdates, tungstates, and chromates are a few examples).

Oxygen gas was a byproduct of this process.

The electron spin resonance was shown to differ in the presence of helium and oxygen gases, meaning the technique could be used in a new type of sensor to detect and measure gases.

Ideally smaller - scale factories would also be able to make hydrogen peroxide on site, but this would require a completely different set of chemistry, direct synthesis of H2O2 from hydrogen and oxygen gas, which has long been poorly understood according to researchers at the University of Illinois at Urbana - Champaign.

If there were too much UV light, no water could survive on the surface because the water molecules would break up and escape through the top of the atmosphere as hydrogen and oxygen gas.

An additional potential application is splitting water into hydrogen and oxygen gas, which can used in clean combustion.

«Without a membrane, the photoanode and photocathode are close enough to each other to conduct electricity, and if you also have bubbles of highly reactive hydrogen and oxygen gases being produced in the same place at the same time, that is a recipe for disaster,» Lewis says.

Unfortunately, as more and more of the final hydrogen peroxide product accumulates in the vessel containing the mixture, the catalyst can also facilitate a subsequent undesirable chemical reaction wherein hydrogen peroxide breaks down into oxygen gas and water in a process called decomposition.

With too much UV light, no water could persist on the surface because its molecules would break down into hydrogen and oxygen gas and escape through the atmosphere.

As in plants, their system consists of two linked chemical reactions: one that splits H2O into protons and oxygen gas, and another that converts CO2 into carbon monoxide, or CO. (The CO can then be converted into hydrocarbon fuels through an established industrial process called Fischer - Tropsch synthesis.)

The team has now overcome this problem by developing a new catalyst for the first reaction — the one that splits water into protons and oxygen gas.

oxygen A gas that makes up about 21 percent of Earth's atmosphere.

One attractive approach for renewable energy storage is to use solar energy to drive the rearrangement of water (low - energy bonds) into molecular hydrogen gas and oxygen gas (high - energy bonds), as shown in Equation 1 below.

Photoanode: oxidizes water molecules using sunlight and generates protons, electrons and oxygen gas.