Sentences with phrase «only oxygen and hydrogen»

Not exact matches

For example, what must be the nature of physical existents such that the composite, the molecule of water, not only consists of one oxygen atom and two hydrogen atoms, but that they are at a particular distance from each other and in a particular three - dimensional pattern?

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

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.

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.

What differentiates this process from tradition biofuel production is the infusion of hydrogen — it removes the dilutive oxygen that most biofuels contain, leaving only the combustible isoparaffins and paraffins, which are indistinguishable from the molecules in refined petroleum.The only byproduct of the process is propane, which can be reintroduced into the production loop as a source of hydrogen.

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].

Only then does the catalyst do its «normal job» of accelerating the partitioning of water into oxygen and hydrogen.

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

However, hydrogen sulphide in the atmosphere and sulphurous gold complexes in river water are stable only in the absence of free oxygen.

Fuel cells convert chemical energy into electrical energy using hydrogen and oxygen — with water as the only product.

Only hydrogen, carbon, oxygen and calcium are consumed in larger amounts.

There, the fuel cell forces the hydrogen electrons through a circuit, generating current and powering the motor before the electrons rejoin the hydrogen protons and oxygen to form the car's only emission: water.

Not only can they hide from mackerel amongst the jellies» stinger - covered tentacles when they rise from the seafloor to feed and digest at night, they can also survive for hours within the ocean floor's low - or no - oxygen muds, which are pervaded by poisonous hydrogen sulfide gas — an inhospitable place lacking any other vertebrate species.

Scientists from Forschungszentrum Jülich and Technische Universität Berlin have succeeded in developing efficient metallic catalyst particles for converting hydrogen and oxygen to water using only a tenth of the typical amount of platinum that was previously required.

Essentially, the Caltech membrane for their artificial leaf only allows hydrogen protons to pass through, like an ion sieve, while hydrogen and oxygen gases are safely and separately expelled to use as fuels or oxidants.

Protein, fats and carbohydrates are all made up of hydrogen, oxygen and carbon, but only protein contains nitrogen.

Hydrogen peroxide does all this and is environmentally friendly too, leaving its only by - products: water and oxygen.

A chemical reaction between oxygen and hydrogen produces the electric power, and when the transportation fuel is pure hydrogen, the only resulting emission is water vapor.

The vehicle generated power using only compressed bottled hydrogen and oxygen from the desert air.

The other three nominees announced today are Darren Almond, who displayed bus stops he saw outside the Auschwitz Museum in Poland in a gallery in Berlin; Glasgow - born Jim Lambie, who is known for his psychedelic floor pieces, and Simon Starling, who rode a moped across the desert in Andalucia which generated power using only compressed bottled hydrogen and oxygen from the desert air.

For every million molecules of other gases in the atmosphere (such as nitrogen, oxygen, and hydrogen), there are only 385 molecules of CO2.

Remember that while Carbon and Oxygen both need 8 outer shell electrons, Hydrogen only needs two.

Unless you imagine that the ocean is magically levitating off the ocean floor or chemically splitting into hydrogen gas and oxygen / chlorine, that energy can only appear as heat.

Areas receiving modest cuts or level funding in the Energy Department's FY17 budget included solar and wind energy programs aimed at expanding renewable power and lowering costs for these clean energy technologies; work to advance hydrogen and fuel cellElectrochemical device in which electricity is generated by chemically reacting hydrogen with oxygen; electricity, water vapor, and heat are the only products.

Electrochemical device in which electricity is generated by chemically reacting hydrogen with oxygen; electricity, water vapor, and heat are the only products.

Although hydrogen generates about 62,000 Btu per pound, it accounts for only 5 percent or less of coal and not all of this is available for heat because part of the hydrogen combines with oxygen to form water vapor.