Sentences with phrase «formed by carbon dioxide»

«Our results indicate that O2 can be formed by carbon dioxide dissociation in a one step process.

Not exact matches

This organic whole that began from an initial high bang and eventuated into the present universe is distinguished by a form of unity and diversity radical beyond all imagining: infinite differences, and diversity that is marked not by isolation but by shared atoms over millennia as well as minute - by - minute exchanges of oxygen and carbon dioxide between plants and animal.

The bubbles in the washing up liquid are from carbon dioxide formed by the reaction between baking soda (sodium bicarbonate) and vinegar (acetic acid).

The U.S. power sector must cut carbon dioxide emissions 30 percent by 2030 from 2005 levels, according to federal regulations unveiled on Monday that form the centerpiece of the Obama administration's climate change strategy.

One approach that is gaining currency among environmental scientists is carbon dioxide capture and storage (CCS), a form of carbon sequestration in which CO2 is removed from the waste gas of power plants, typically by absorbing it in a liquid, and subsequently burying it deep underground, hence keeping the gas out of the atmosphere.

Tangible effects nearby also appear: clinking our peat soil by water extraction is also a form of land degradation, leading to more carbon dioxide emissions, and therefore triggering climate change.

Most carbon emissions linked to human activity are in the form of carbon dioxide gas (CO2), but other forms of carbon include the methane gas (CH4) and the particles generated by such fires — the tiny bits of soot, called black carbon, and motes of associated substances known as brown carbon.

Now UC Davis graduate student Zhou Lu, working with professors in the Departments of Chemistry and of Earth and Planetary Sciences, has shown that oxygen can be formed in one step by using a high energy vacuum ultraviolet laser to excite carbon dioxide.

When carbon dioxide, CO2, from the atmosphere is absorbed by the ocean, it forms carbonic acid (the same thing that makes soda fizz), making the ocean more acidic and decreasing the ocean's pH. This increase in acidity makes it more difficult for many marine organisms to grow their shells and skeletons, and threatens coral reefs the world over.

For example, it might be converted decentrally with the carbon dioxide produced by the about 800,000 biogas facilities and stored in the form of methane.

Dominated by emissions from cars, trucks and other forms of transportation, suburbs account for about 50 percent of all household emissions — largely carbon dioxide — in United States.

By carefully controlling physical and chemical conditions, the elements can be recombined to form simple, and relatively harmless, compounds such as carbon dioxide, water and hydrochloric acid.

The newest method, patented by UA and Dr. Jason E. Bara, assistant professor of chemical and biological engineering, uses a form of liquid salt that could be swapped with chemicals currently used to scrub harmful emissions, such as carbon dioxide, or CO2, from industrial emissions.

When ruminants digest their feed, methane is formed as a natural by - product of the microbial process in the rumen, and since methane is a 25 times more powerful greenhouse gas than carbon dioxide, there is a need to devise methods to reduce such emissions from cattle.

Scientists today announced that they have crafted a bacterial genome from scratch, moving one step closer to creating entirely synthetic life forms — living cells designed and built by humans to carry out a diverse set of tasks ranging from manufacturing biofuels to sequestering carbon dioxide.

Conversion of carbon dioxide into useful products is complicated by the fact that CO2 is the most oxidized form of carbon and as such a very stable and unreactive molecule.

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.

For example, carbon dioxide, the dominant form of carbon in the atmosphere and associated with climate change, is used by plants to generate energy via photosynthesis.

A molecule containing three oxygen atoms, computer models suggest that ozone on Venus is formed when sunlight breaks up carbon dioxide molecules and releases oxygen atoms, which are swept around to the planet's nightside by winds where they can then combine to form unstable, three - atom ozone molecules, as well as much more stable, two - atom molecules essential for animals.

By means that are not entirely understood, the tubeworm provides all the chemicals necessary for the bacteria to make food, including sulfur, oxygen, and carbon dioxide, and the bacteria manufacture sugars or some other form of energy - rich molecules that provide nutrition to the tubeworm.

Alonso said he expects the final budget that is eventually approved by Congress to include a weakened form of the Clean Power Plan because the EPA is unlikely to attempt to challenge a Supreme Court ruling saying the EPA is required to regulate carbon dioxide.

About a quarter of the carbon dioxide emitted into the atmosphere is currently taken up by the oceans, where it reacts with seawater and forms carbonic acid.

A main habitat - forming coralline red alga will be affected by elevated carbon dioxide concentrations in the seawater, according to an international team of scientists.

For example, the ions formed by the reaction of carbon dioxide with a species in solution can be provided to the algaculture facility in the form of a solution, a slurry, or a salt.

Ice formed during the Ice Age is being given back to the sea in our naturally warmer geological period, and man is making matters worse by pouring so much carbon dioxide into the atmosphere that more heat is being trapped within it.

In part, my article, «How We Ran Out of Airtime,» considers the current human - generated carbon dioxide buildup in relation to a tumultuous period of atmospheric disruption triggered by another life form some 2.4 billion years ago.

So it's utterly unremarkable to find 49 people, including astronauts and engineers, who would publicly reject James Hansen's view of the dangers posed by unabated emissions of carbon dioxide, or the Obama administration's approach to the space agency's research programs, news releases and other forms of public output on climate, which is markedly different than that of the last Bush administration.

The carbon dioxide in the air is absorbed by reaction with some of the sodium hydroxide to form sodium carbonate.

But ocean experts have increasingly warned that the direct chemical impact on marine life, as carbon dioxide dissolves in water and lowers its pH, could profoundly disrupt ecosystems by interfering with the growth of reefs and shell - forming plankton.

At an altitude of about 125 kilometers above the surface, measurements by the Venus Express probe have shown, the temperature drops to an amazingly low -175 °C, cool enough in theory for carbon dioxide ice or snow to form.»

Called the social cost of carbon (SCC), it is an estimate of the economic value of the extra (or marginal) impact caused by the emission of one more tonne of carbon (in the form of carbon dioxide) at any point in time; it can, as well, be interpreted as the marginal benefit of reducing carbon emissions by one tonne.

The economic constraint on environmental action can easily be seen by looking at what is widely regarded as the most far - reaching establishment attempt to date to deal with The Economics of Climate Change in the form of a massive study issued in 2007 under that title, commissioned by the UK Treasury Office.7 Subtitled the Stern Review after the report's principal author Nicholas Stern, a former chief economist of the World Bank, it is widely viewed as the most important, and most progressive mainstream treatment of the economics of global warming.8 The Stern Review focuses on the target level of carbon dioxide equivalent (CO2e) concentration in the atmosphere necessary to stabilize global average temperature at no more than 3 °C (5.4 °F) over pre-industrial levels.

The carbon dioxide capture facility is configured to transfer carbon dioxide from a gas to the portion of the growth medium to yield an enriched growth medium, such that the concentration of dissolved carbon dioxide in the enriched growth medium exceeds the concentration of dissolved carbon dioxide in the growth medium, where dissolved carbon dioxide includes ions formed by the reaction of carbon dioxide with a species in solution, including such ions formed in the growth medium and added to the growth medium.

As used herein, «dissolved carbon dioxide» includes carbon dioxide in solution and ions formed by the reaction of carbon dioxide with species in solution, including such ions formed in the growth medium and added to the growth medium (e.g., in the form of a solution, salt, slurry, or the like).

Hydrogen is not so much a fuel as a form of storage, holding energy generated by electricity and then releasing it without producing carbon dioxide, the gas thought to be responsible for half of global warming.

-- The term «mineral sequestration» means sequestration of carbon dioxide from the atmosphere by capturing carbon dioxide into a permanent mineral, such as the aqueous precipitation of carbonate minerals that results in the storage of carbon dioxide in a mineral form.

«(2) geologically sequester carbon dioxide at a site that meets all applicable permitting and certification requirements for geologic sequestration, or, pursuant to such requirements as the Administrator may prescribe by regulation, convert captured carbon dioxide to a stable form that will safely and permanently sequester such carbon dioxide;

In the new study, published this week in the Proceedings of the National Academy of Sciences, a team led by Berkeley Lab scientist Peidong Yang discovered that an electrocatalyst made up of copper nanoparticles provided the conditions necessary to break down carbon dioxide to form ethylene, ethanol, and propanol.

Here's Merriam Webster's version: Main Entry: carbon dioxide Function: noun: a heavy colorless gas CO 2 that does not support combustion, dissolves in water to form carbonic acid, is formed especially in animal respiration and in the decay or combustion of animal and vegetable matter, is absorbed from the air by plants in photosynthesis, and is used in the carbonation of beverages I know you'll all correct me if i'm wrong in stating if CO2 has no scientific facts supporting global warming based upon a factor of greenhouse gases (as opposed to solar radiation in another post, which would be defined by variations in earth, space, or similar factors), then where does science determine that CO2 «disolves in water to form carbonic acid» and is «absorbed from the air by plants in photosythesis»?

Then 14C is oxidized to form carbon dioxide and circulates within the carbon cycle between different reservoirs, some of which are very inertial, and it gets eventually absorbed by trees by means of photosynthesis.

Higher abundance of phytoplankton and krill attracts other forms of sea life and may help offset climate change by absorbing larger amounts of carbon dioxide from the atmosphere.

Had no idea what I meant when I asked when carbon dioxide diffused was it by sticking molecules of nitrogen and oxygen together to form a balloon?

He deduced that the cooperation of these gases has to take the form of an optimal atmospheric transmittance window for infrared radiation, such that if the concentration of one gas, say carbon dioxide, varies and changes atmospheric transmittance, the other components, such as water vapor, will have to compensate for it by changing their concentrations.

Carbon dioxide emissions have been eliminated by direct intervention on the production cycle and through compensatory real emission reductions in the form of carbon offsets.

To recap, about a quarter of the carbon dioxide people put into the atmosphere by burning fossil fuels is absorbed by the ocean, where it forms carbonic acid.

Unlike the 1997 Kyoto Protocol, in which a binding treaty required industrial countries party to the pact to reduce their carbon - dioxide emissions by a collective average of 5.5 percent between 2008 and 2012, the new agreement's budding form is more bottom up than top down.

Fortunately, as depicted in Figure 2 (orange «thermal down surface» arrow), some of this energy does stay in the atmosphere, where it is sent back toward Earth by clouds, released by clouds as they condense to form rain or snow, or absorbed by atmospheric gases composed of three or more atoms, such as water vapor (H2O), carbon dioxide (CO2), nitrous oxide (N2O), and methane (CH4).

When carbon dioxide from the atmosphere is absorbed by the ocean, it forms carbonic acid, H2CO3, which makes the ocean more acidic and decreases its pH. This makes it more difficult for many marine organisms to grow their shells and skeletons, and threatens coral around the globe.

Around half of our grid - based electricity could be supplied by means of a few very large power systems burning methane, either in the form of natural gas or the effluvium from underground coal gasification [the only way to employ coal cleanly, he argues], and burying the carbon dioxide they produce.

But also, over time, most of the carbon dioxide in the atmosphere is absorbed by the ocean, where it reacts with seawater to form an acid that is corrosive to coral reefs, shellfish, and other marine life.