First of all, fossil fuels are hydrocarbons and hydrocarbons
contain hydrogen that gets converted to water vapor upon combustion, so our current fossil fuel burning is already producing plenty of water vapor.
The products that flow through pipelines also usually
contain hydrogen in the form of hydrogen sulfide.
The gasoline also did
contain some hydrogen that burned to form water, so the 3:1 ratio Jeff references probably was for gasoline (not containing ethanol) but adjusted for the mass content of the hydrogen in the gasoline and is likely more accurate than the 3.67 ratio of carbon to carbon dioxide masses.
All parts of the plum plant
contain hydrogen cyanide, including the leaves, stem, roots, and the plum pit.
Plums are one of several fruits that
contain hydrogen cyanide, which is extremely toxic to dogs if eaten.
They contain hydrogen and oxygen in the same ratio as water (2:1) and typically can be broken down in an animal's body to release energy.
They contain hydrogen and oxygen in the same ratio as water (2:1) and typically can be broken down to release energy in the animal body.
By using a spectrograph, Minkowski noticed that some supernovae (Type I) don't
contain hydrogen, but the others (Type II) do.
The Moon and nearby asteroids
contain hydrogen, carbon, silicon, metals, and other materials necessary for industry.
The tank
containing hydrogen fluoride was not damaged by the explosion or fire and none of the chemical leaked, company officials said.
All honey
contains hydrogen peroxide, but this does not survive light, heat and body enzymes.
KISSIMMEE, Fla. — A newly discovered gas cloud
contains hydrogen and helium but virtually nothing else.
Every instrument lowered into the borehole is sanitized in an enclosed laboratory and packed in plastic
containing hydrogen peroxide solution before being delivered to the drilling deck, where it can be treated again with ultraviolet radiation.
At the heart of the Compass tokamak reactor is a doughnut - shaped chamber
containing hydrogen gas.
The steam traveled through a tube into the atmospheric flask, which
contained hydrogen, methane and ammonia.
Astronomers discovered this gas long ago because
it contains hydrogen, the most abundant element in space.
The plume
contains hydrogen chloride, a strong acid.
Furthermore, it is likely that Miller and Urey erred by simulating Earth's early atmosphere with gases
containing hydrogen, which reacts easily, as opposed to carbon dioxide, a gas that is far less reactive but was probably far more plentiful at the time.
To avoid any confusion in the results due to the presence of water (which
contains hydrogen), the researchers used deuterium, or heavy hydrogen, in the hydroxyl molecule, OD, to start the reaction.
Pure water
contains a hydrogen - bonding network due to the negative oxygen ions wanting to bond with the positive hydrogen ions.
In the chemical toxin category, perchlorate (a naturally occurring chemical, but also a man - made contaminant stemming from production of nitrate fertilizer with certain types of ore serving as the nitrogen source) and tobacco smoke (which
contains hydrogen cyanide that can be converted into thiocyanate) are well - researched examples of chemical toxins that are considered goitrogenic because they can interfere with thyroid function.
In addition to
containing hydrogen peroxide, manuka honey is high in the antibacterial methylglyoxal (MG).
A first aid kit
containing hydrogen peroxide, gauze dressing pads, adhesive tape, tweezers, cotton tips, thermometer, prescription drugs (if any).
The veterinarian may induce vomiting using a solution
containing hydrogen peroxide or other similar method.
My father worked in the aerospace industry, so I grew up with stories about the difficulties involved in
containing hydrogen.
The new JCAP photocathode construct consists of the semiconductor gallium phosphide and a molecular cobalt -
containing hydrogen production catalyst from the cobaloxime class of compounds.
The Bohr model of the hydrogen atom: a dense nucleus
containing the hydrogen atom's single proton (and possibly one or more neutrons), surrounded by an electron that can be on one of several different orbits.
The plaintiffs move for an order amending the class definition to shorten the class period to between November 1, 1998 to December 31, 2003 and to exclude persons who purchased products
containing hydrogen peroxide or products using hydrogen peroxide (primarily indirect purchasers).
Not exact matches
Yet, we need not conclude that all the «released energy»» was potentially
contained in the individual
hydrogen atom or the system of such atoms.
In their least condensed parts (that is to say, in what they still
contain of the vestiges of primordial chaos), the matter composing them is extremely tenuous; probably
hydrogen, the most primitive substance known to us in the field of distinguishable matter.
It is common knowledge that all honey
contains a natural occurring enzyme which produces
hydrogen peroxide, a known antiseptic with proven antibacterial properties.
A molecular cloud is an interstellar cloud of dust, gas, and a variety of molecules ranging from molecular
hydrogen (H2) to complex, carbon -
containing organics.
Hydrogen atoms
contained in water readily bond with the heavy isotope to form hydrochloric acid gas, which then leaks into space — leaving more of the lighter isotope behind.
In addition, it remains unclear how the
hydrogen got from the sealed area
containing the reactor vessel into the surrounding building — and then built up in sufficient quantities to explode.
A prototype portable
hydrogen fuel cell
containing the nanoparticle catalyst and an organosilane substrate was fabricated.
Looking at Comet ISON's chemical fingerprints — its ratio of carbon dioxide to water, its mix of different kinds of
hydrogen atoms, the kind of dust grains it
contains — will indicate where it formed 4.56 billion years ago, and thus put the wandering - Jupiter theory to the test.
(Neutral
hydrogen atoms can also
contain neutrons, but this is a much less common arrangement.)
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.
Most of the solar wind is
hydrogen and helium, but it
contains many other elements in small amounts, including neon.
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.
They immersed their composite electrode into water that was slightly acidified, meaning it
contained positively charged
hydrogen ions.
The waste was burned to determine how much carbon, nitrogen,
hydrogen and sulfur it
contained.
The sun makes energy by fusing
hydrogen atoms, each with one proton, into helium atoms, which
contain two protons.
All cells
contain the same DNA, but individual genes in any cell can be switched on or off by the addition or subtraction of a methyl group — a carbon atom bound to three
hydrogen atoms.
An abundance of minerals
containing ammonia on a relatively rocky world like Ceres is surprising, De Sanctis says, because the volatile compound of nitrogen and
hydrogen can not persist long in the relatively warm and sunny regions of the inner solar system where Ceres now resides.
Asteroids also
contain an abundance of water, which, aside from serving as hydration during space travel, could be used as a shield to protect spaceships from the sun's radiation or to produce
hydrogen - and oxygen - based rocket fuels.
Until development of the new technique,
hydrogen peroxide sensors could only tag certain components of cells, or show that the cells
contained the oxidant.
That's because during evaporation, water molecules
containing deuterium, a heavy isotope of
hydrogen made of one proton and one neutron, get left behind in the ocean.
In recent years researchers have achieved better performance with compounds such as lithium borohydride, in which the metal atoms form weaker, ionic bonds with groups
containing several
hydrogen atoms.
Instead of a hydrophilic alcohol group (an oxygen -
hydrogen molecule bound to a
hydrogen - saturated carbon atom), the final lignin polymer
contained a hydrophobic aldehyde group (a carbon atom double - bonded to an oxygen atom).