Sentences with phrase «produced oxygen gas»

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

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

Scientists had suspected that the atoms in carbon dioxide could be decoupled to produce oxygen gas, he notes.

Not exact matches

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.

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.

Although the catalyst does produce oxygen from water, it does not produce hydrogen gas (H2) that can be burnt in a fuel cell.

A third route, known as pyrolysis, heats dried and ground biomass to about 550 ˚C in an oxygen - depleted chamber (so the biomass doesn't burn), producing a mixture of gases, liquids, and a gray, carbon - rich solid called coke.

NOx gases are produced in oxygen - poor soils when microbes break apart nitrogen compounds in the fertilizer, a process called denitrification.

By separating out the starlight from the planet light, we can identify molecules in the planet's atmosphere and look for gases produced by life, like oxygen, ozone and ammonia.

Now a report in the 26 January Physical Review Letters suggests that searing hot temperatures generated inside the bubbles drive out nitrogen and oxygen, leaving behind a stunning light show produced by the trace gas argon.

«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.

Scientists could not understand where the gas came from, because they thought methane was produced only in oxygen - poor environments like swamps and rice paddies, where decomposition occurs.

The gas is produced by splitting up oxygen molecules with an electric discharge.

Life is the dominant source of the molecular oxygen on our planet, as the gas is produced by photosynthesis in plants and microscopic, single - cell organisms.

If there are a lot of gases that consume oxygen, such as methane or hydrogen, then any oxygen or ozone produced will be destroyed in the atmosphere.

They compared the production, combustion and gas emissions of biochar, which is produced by slow heating of the biomass at a temperature of 450 °C (842 °F) in an oxygen - free furnace with hydrochar.

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.

The oxygen would have «burned up» the carbon to produce gases such as carbon dioxide and monoxide, which would have moved into the outer disk along with water vapor before chilling into ices, so that any solid carbon in the inner solar system would have been destroyed within a few years.

The finding suggests that microbes with the ability to produce oxygen were prolific at least locally around 3.46 billion years ago, releasing large quantities of this reactive molecular gas into the oceans and eventually the atmosphere by the end of this period (more).

MOXIE will attempt to produce about 20 grams of oxygen per hour for around 50 hours, probably using the reverse water - gas shift reaction (CO2 + H2 - > CO + H20) and then electrolysis of the resulting water to produce oxygen.

«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 regarding his findings published in PNAS.

Her work with micro-organisms to couple sunlight and seawater to produce hydrogen and oxygen may pave the way to replace oil and gas with new clean - burning fuels.

If plenty of oxygen is available, carbon dioxide is produced, not carbon monoxide, a poisonous gas.

Organic waste that does go to the landfill doesn't get the chance to decompose properly due to the lack of oxygen, which produces methane, a greenhouse gas that contributes to global warming.

Pure Wine basically produces a blast of oxygen that eliminates the active wine preservative of sulphur dioxide gas, without sacrificing the taste and quality of the wine.

The second cause of bad gas is oxidation — some of the hydrocarbons in the fuel react with oxygen to produce new compounds, almost all of them worse than what you started with.

The company's primary products are atmospheric gases, which are produced from air (e.g., oxygen and nitrogen) and process gases, which are produced through additional processes (e.g., carbon dioxide, hydrogen, and acetylene).

A future hydrogen economy could use the gas as an energy carrier As this method doesn't produce oxygen which needs to be kept separate from hydrogen, safety from explosion of the two gases is much less of a problem with electricity in the national grids carried by ageing cables, it would be useful to replace them by passing the hydrogen along gas pipes used currently for natural methane gas.

THE PLANET: Rainforests are often called the lungs of the planet because they absorb carbon dioxide, a greenhouse gas, and produce oxygen upon which all animal life — including human life — depends for survival.

Its fuel cells use natural gas or renewable biogas, which react electrochemically with oxygen to produce electric currents without creating emissions.

The gas has been around for most of the earth's 4.5 billion years and was once the dominant gas until newly evolved plants produced huge quantities of that corrosive, dangerous acidifying gas oxygen that pushed carbon dioxide - dependent life into anaerobic safety zones like intestines, where they help us animals survive to this day.

The world's climate is way too complex... with way too many significant global and regional variables (e.g., solar, volcanic and geologic activity, variations in the strength and path of the jet stream and major ocean currents, the seasons created by the tilt of the earth, and the concentration of water vapor in the atmosphere, which by the way is many times more effective at holding heat near the surface of the earth than is carbon dioxide, a non-toxic, trace gas that all plant life must have to survive, and that produce the oxygen that WE need to survive) to consider for any so - called climate model to generate a reliable and reproducible predictive model.

This gas is produced when carbon compounds, such as gasoline are not fully burned, as there is not enough oxygen present to form carbon dioxide.

These farms also help to reduce greenhouse gases and produce oxygen.

The oxygen produced can be sold where chemically pure oxygen is needed or used to make CO and hydrogen from natural gas.

Bamboo plants absorb about 5 times the amount of carbon dioxide (a primary greenhouse gas) and produces about 35 % more oxygen than an equivalent stand of trees.»

After the trash is cleaned of hazardous and recyclable materials, it will be combusted in a low - oxygen environment that produces a synthesis gas of hydrogen and carbon monoxide, a process known as gasification:

when an organic compound methane reacts with oxygen they produces carbon dia oxyide and the hydrogen gas which is harmful for humman biengs carbon dia oxyide is used in our drinks like pepsi and it is soulible in water at heavey pressure and hydrogen is used as fuel and the equatoin becomes ch4 + h2 ---- > co2 +2 h2

The excited gases glow with the color determined by the gas; nitrogen produces red aurora and oxygen almost white through yellow to green.

Dr. Kiang also relates this work to research in astrobiology, particularly with regard to how photosynthetic activity produces signs of life at the global scale (e.g., biogenic gases like oxygen and photosynthetic pigments like chlorophyll) and how these may exhibit adaptations to alternative environments on extrasolar planets, resulting in other «biosignatures» that might be detected by space telescopes.

Bloom Energy makes fuel cells that take fuel (natural gas or biogas) and combine it with oxygen and other chemicals to create an electrochemical reaction that produces electricity.