Scientists had suspected that the atoms in carbon dioxide could be decoupled to
produce oxygen gas, he notes.
Like Nocera's original device, Gamelin's technology is also only able to
produce oxygen gas and hydrogen ions.
That observation suggested the laser must also have
produced oxygen gas.
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.