Sentences with phrase «when hydrogen atoms»

The sun was born in a moment some 4.6 billion years ago, when hydrogen atoms began fusing into helium.

Alternatively, the water at Cabeus may have been created when hydrogen atoms carried by the solar wind slammed into oxygen - rich materials in the lunar surface.

When hydrogen atoms are in a cis position, they cause a kink in the chain of carbons.

Al - Khalili and McFadden dug out a long - forgotten proposal made back in 1963 that suggested DNA mutates when this hydrogen atom tunnels, quantum - mechanically, to the «wrong» half of its rung.

Not exact matches

Then, list 2 effects that would be expected upon substi - tuting an electron with a muon in a helium atom when mixed into a hydrogen cloud.

Cosmic and biological evolution involve change in structures — as, for example, when electrons and protons form hydrogen atoms.

Then, summarize the effects that would be expected upon subst - ituting an electron with a muon in a helium atom when mixed into a hydrogen cloud.

In an age of atom and hydrogen bombs — an age when the destruction of the whole world is possible — we are finally accepting the view that the church must take a clear stand for peace.

To understand the approach they're taking, let's revisit the fiery aftermath of the Big Bang, when most ordinary matter consisted of hydrogen atoms.

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.

MRIs work by tapping into an astonishing phenomenon: When placed in a powerful magnetic field, the hydrogen atoms in water molecules behave like small bar magnets.

(The unusual form of hydrogen let scientists correct results for oxygen atoms lost in H2O, for instance when the bear urinated.)

When surrounded by deuterium atoms (heavy hydrogen), that voltage gives the atoms an electric charge and then accelerates them into a nearby solid target containing additional deuterium.

When this light encounters hydrogen atoms still lingering in the stellar nursery that produced the stars, the atoms become ionised.

Such views suggest that tiny galaxies in the early universe played a crucial role in cosmic reionization — when ultraviolet radiation stripped electrons from hydrogen atoms in the cosmos.

Hydrogen atoms are formed in such devices only when electrons flow into a fluid where they can combine with hydrogen ions; those atoms in turn combine with each other to create hydroHydrogen atoms are formed in such devices only when electrons flow into a fluid where they can combine with hydrogen ions; those atoms in turn combine with each other to create hydrohydrogen ions; those atoms in turn combine with each other to create hydrogenhydrogen gas.

When the temperature dropped about 400,000 years after the Universe's birth, the nucleon and electron combined to make neutral hydrogen atoms.

When the researchers studied other hydrogen - based materials, about one - third of the hydrogen atoms were missing there too.

Such clouds formed about 400,000 years after the Big Bang, when the cosmos cooled sufficiently to allow charged protons and electrons to bind together to form electrically neutral hydrogen atoms.

New observations show that tiny galaxies in the early universe could have triggered the epoch of reionization — a period when harsh radiation tore apart hydrogen atoms — which astronomers consider key to understanding how stars and galaxies arose from the universe's early dark void.

When a methyl group (a carbon atom with three hydrogen atoms attached) binds to a cytosine molecule (one of the four nucleotides that make up DNA), it tells the cell's transcription machinery not to transcribe that gene.

The cosmos as we know it started to take shape when atoms and ions paired up to form molecular hydrogen, which expelled heat out of the gas clouds, allowing them to cool down enough to form the first stars.

That frequency is emitted when the spinning electron in an atom of hydrogen spontaneously flips over so that its direction of spin is opposite to that of the proton comprising the nucleus of the hydrogen atom.

With this knowledge, the team will run molecular simulations to determine the hydrogen atoms» specific behavior when interacting with the enzyme.

The issue first raised its head in 2015, when a team led by Edmund Myers at Florida State University measured the difference in masses of the nucleus of a helium - 3 atom and a deuteron — the nucleus of a deuterium or heavy hydrogen atom — with a single proton bound to...

To measure the number of electron - neutrinos reaching Earth, the SNO team monitored miniscule flashes of light produced when the particles interact with molecules of heavy waterin which deuterium atoms replace the hydrogen atoms.

However, when water molecules are broken by the stellar radiation into hydrogen and oxygen, the relatively light hydrogen atoms can escape the planet.

When the team of geologists from Stanford University re-created these conditions in a lab to try to duplicate an ultralow - velocity zone, they found that iron — one of the more abundant minerals on Earth and a likely candidate material that might explain the zones — reacted with the seawater to create a form of iron peroxide that was saturated with hydrogen atoms, according to the new research.

Inside the detector, scientists detect antineutrinos when they crash into a hydrogen atom.

In 1935 Eugene Wigner and Hillard Bell Huntington conjectured that at very high pressures, when hydrogen makes the transition from the «molecular» phase to the «atomic» phase (when the atoms are so close to each other that the molecular structures can no longer be distinguished), hydrogen acquires metallic properties.

Hagen was teaching the technique to his students when he decided to apply it to a real - world object: the hydrogen atom.

When the scientists tracked the pattern of emissions of a particular hydrogen molecule consisting of three hydrogen atoms (rather than the usual two), they expected to see a uniform planet - wide infrared glow.

When the methane is irradiated it is churned into ethane and other more complex organics (the molecule loses a hydrogen bond and more carbon atoms become chained together).

Because MRI detects energy - produced shifts in hydrogen atoms, when the «new» gene was introduced into animal cells and then «pelted» with radiofrequency waves from the MRI, it became readily visible.

Through the process of fusion, which is constantly occurring in the sun and other stars, energy is created when the nuclei of two lightweight atoms, such as those of hydrogen, combine in plasma at very high temperatures.

The presence of the Lyman - alpha line was unexpected: while it is frequently detected in galaxies closer to Earth, the team thought that EGSY8p7's emission line would have been absorbed when the universe was formed by the hydrogen atoms believed to inhabit the space between galaxies.

Saturated fatty acids are «saturated» with hydrogen atoms and typically solid when at room temperature.

Saturated: A fatty acid is saturated when all available carbon bonds are occupied by a hydrogen atom.

For example, when vegetable oil is heated in the presence of a heavy - metal catalyst and hydrogen, hydrogen atoms combine with the carbon chain to turn the oil solid.

However, after Anthony insisted that it could happen, I looked into the matter more deeply, and that was when I realized that the coding amino acid proline also has a carbon substitution for the hydrogen atom normally attached to the nitrogen atom, but has no trouble linking up with the other amino acids.

When split water you get 2 hydrogen atoms for every oxygen atom, and the atomic mass is 2 H and 16 O. Or in terms of mass you get 8 times the oxygen as compared to hydrogen.

When petroleum is burned, some energy is required to separate the molecules into individual atoms, but much more energy is given back as the carbon and hydrogen atoms combine with oxygen to give carbon dioxide and water vapor.

As with petroleum, some energy is required to separate the molecule into separate atoms, but the energy is more than returned when the carbon and hydrogen burn to form carbon dioxide and water vapor respectively.

Fossil Fuel is a generic term that isn't quite correct Natural Gasoline is a distilled derivative of oil but almost all ofit is manufactured from cracked and recombined oil derivativeswhile natural gasoline is further refined intoPropane, butane, Proproline (a plastics feed stock), and Natural gasand also separates out sulfur (for fertilizer and explosives) Gasoline can be made from coal («Coaline») or from organic matter («Bio-fuel») but uses a few of oil based feed stocks instead tomake «Sythiline» (artificial gasoline) This gasoline is actually cleaner burning then natural gas with allit's «flare offs» (butane, propane, propoline, sulfur) used in theearly 19th century because it is manufactured only with essentialHydrocarbons Diesel fuel is also becoming more and more Manufactured instead ofdistilled as demand for it rises but improvements in Hydro cleaningis allowing for diesel with no volatile chemicals like sulfur andmercury (taken out for petro - chemical feedstock to make fertilizerand thermometers) In both cases what you have is pure hydro - carbons, a carbon atomwith hydrogen atoms attached to it In the case of gasoline there is CH1, cH7, CH11 When in a combustion engine the gasoline is sprayed into the pistonafter being mixed with air and the drive of the engine compressesthe the chamber filled with the gasoline mist until it's full downstoke then the spark plug causes the Exothermic reaction... which isthe conversion of the potential energy in the gasoline mist to heatand force, with the force side of that equation shooting the pistonupward and the top of the stroke kicking what's left of thecaramelized gasoline mist out into the Emission control box If the Emulsion control box wasn't there to filter out the burntgasoline particles, any potential additives and volatile chemicalsthen the caramelized gunk hitting air would create CARBON MONOXIDEin the cooler then the heat of the engine difference CARBON MONOXIDE can also become a problem if the Emissions controlBox filter, air filters or muffler filters is worn or damaged.

But when their temperature is lowered and they form a water molecule, the symmetry of the individual atoms is broken as they form a molecule with 105 degrees between the hydrogen - oxygen bonds.