How To Use Chemical reaction In A Sentence

  • Some kind of unimaginable chemical reaction would take the natural sweat produced by us all and turn it into an emitter of light.
  • Also, with chemical reactions as your energy source, you can't really use hydrogen as your exhaust gas, because it isn�t the product gas of the energetic reactions you'd like to use, always assuming that you don't actually have tanks of monoatomic hydrogen lying around. Faster
  • The milli - to picosecond time scales gave important information on chemical reactions. The Nobel Prize in Chemistry: The Development of Modern Chemistry
  • By pressing a button on the bottom, water mixes with quicklime, producing a chemical reaction that heats the coffee.
  • Entities During chemical reactions, one or more substances change their chemical composition to form one or more new substances.
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  • Applications here focus on using gigabit networks to combine the processing power of multiple supercomputers for climate and chemical reaction modeling.
  • Thus chemical reactions occur in the vapor phase.
  • Although tabun can be destroyed by its reaction with bleaching powder, that reaction causes another chemical reaction that produces the deadly blood agent cyanogen chloride.
  • The heat brings about a chemical reaction, and oxygen is liberated.
  • What is it about the chemical reactions in our heads that give us a personality? Times, Sunday Times
  • Never before had a protein been found to serve as a catalyst to promote chemical reactions to form the glass or a rock-like material of a biomineral.
  • Exposure to UVB radiation from the sun causes a chemical reaction in skin cells that converts a form of cholesterol to a form of vitamin D called calciferol … Xml's Blinklist.com
  • Williams said the latest bombs sent from Yemen differed from the device carried by Umar Farouk Abdulmutallab, the alleged "underwear bomber," because they used electronics rather than a chemical reaction to detonate the explosives. Investigators link package explosives to al-Qaeda bomb-maker in Yemen
  • After all, back in the 70's it was illegal to put benzoic acid in soda pop, with vitamin C because of the chemical reaction turning it into the toxic benzene, but now products routinely have the two mixed .... under the guise, of course, that you will automatically want the "healthy" drink because of the vitamin C. by karmacounselor Karma Counselor: Toxic Lubricants Cause HIV Symptoms
  • When electrons are transferred between atoms in a chemical reaction, the atom that loses electrons is "oxidized", and the atom that gains electrons is "reduced. Analog Science Fiction and Fact
  • This will trigger chemical reactions in your body that will make you feel the way you felt then. Times, Sunday Times
  • He also showed that the toxin-antitoxin reaction is, as chemical reactions are, accelerated by heat and retarded by cold and that the content of antitoxin in antitoxic sera varied so much for various reasons that it was necessary to establish a standard by which their antitoxin content could be exactly measured. Paul Ehrlich - Biography
  • The specific chemical reactions of emulsification have something to do with ions -- very complicated, very tiny little things that I'd be able to describe in greater detail had I followed my father's advice and taken AP Chemistry. Martin Marks: In Soft Water
  • Analyses for TP double for every 10°C rise in temperature, as rates do in many and orthophosphate were by the USBR laboratories in Den - biochemical reactions. Recently Uploaded Slideshows
  • Soap is a salt formed by a process called saponification - a chemical reaction between an alkali metal, like sodium, and fatty carboxylic acids.
  • One influential school of thought focuses on the effects of oxidation reactions brought about by active oxygen species generated by photochemical reactions involving blue and UV light.
  • Only in recent years, with the advent of ultrashort-pulsed lasers, have physicists and chemists observed chemical reactions as they unfold.
  • An explicit chemical reaction $react can be forward or reverse applied once to a molecule $mol at the first subgraph of $mol found which is isomorphic to the substrate or product of Softpedia - Windows - All
  • Carbon dioxide is released in the ensuing chemical reaction.
  • Cellular respiration is the process by which cells obtain energy from food through chemical reaction with an inorganic electron acceptor, usually oxygen.
  • Ashley and Rick watch on as the foam spews forth from the measuring cylinder as a result of the chemical reaction.
  • During this stage, proteins were not yet engaged in biochemical reactions and RNA carried out both the information storage task of genetic information and the full range of catalytic roles necessary in a very primitive self-replicating system. The RNA World
  • Chemiluminescence is a special case of luminescence in which the excitation source is a chemical reaction.
  • A chemical reaction is simply breaking bonds between atoms and making new ones.
  • In a general way, the basic design principle of innovative reactor was to activate chemical reaction process and to simplify inner physical construction.
  • The pet food was largely poisoned by a chemical reaction which included a product called melamine, which is used in fertilizer and plastics, mixed with wheat glutin. China Killed Your Dog; Now You and Your Kids are at Risk Too
  • When we eat, all kinds of chemical reactions take place in our bodies. The Sun
  • Enzymes catalyze reactions by interacting with and stabilizing the transition state so that the chemical reaction requires a much gentler push to clear the activation barrier.
  • The essence of chemistry is understanding and applying chemical reactions.
  • Enthalpy is more useful to chemists than energy when measuring the heat involved in chemical reactions.
  • After consistent, continuous research he successfully formulated a principle to describe the nature of catalysis which is satisfactory for the present state of knowledge, namely that catalytic action consists in the modification, by the acting substance, the catalyst, of the rate at which a chemical reaction occurs, without that substance itself being part of the end-products formed. Nobel Prize in Chemistry 1909 - Presentation Speech
  • All of the platinum-group metals are good catalysts: they speed up the rate of certain chemical reactions.
  • When we eat, all kinds of chemical reactions take place in our bodies. The Sun
  • The enzymes that catalyze the chemical reactions that keep the cells alive function most efficiently over a limited range of body temperatures.
  • A complicated string of chemical reactions leads to the end product.
  • Also, an explicit chemical reaction $react can be forward or reverse applied once to a molecule $mol at each subgraph of $mol which is isomorphic to the substrate or product of Softpedia - Windows - All
  • It can store genetic information, as DNA does, but it can also adopt complex three-dimensional shapes and catalyze chemical reactions on itself, as proteins do.
  • Using the heat theorem discovered by you it has now become possible on the one hand to calculate from the heat evolution during chemical reactions and the specific heats, the chemical affinity and the maximum possible output of energy during chemical reactions, and on the other hand to calculate the equilibrium in reactions not yet studied. Nobel Prize in Chemistry 1920 - Presentation Speech
  • If indeed a chemical reaction is taking place we have another very anomalous situation.
  • This chemical reaction can ultimately neutralize the alkaline environment and destabilize the passivating layer - in a process that can be just as destructive as chloride penetration.
  • There, doctors determined Jones had "a mild or moderate chemical reaction," Steiger said, and eventually diagnosed her with chemical pharyngitis and tonsillitis. Woman Sues McDonald's For Serving Cleaning Liquid Instead Of Iced Tea - The Consumerist
  • After 48 hours, the fish were removed and their brains studied for evidence of lipid peroxidation, a tissue-burning chemical reaction that toxicologists use as a standard of biological damage.
  • Estrogen is produced in a series of enzymatically controlled biochemical reactions. Forever Young
  • Most handwarmers heat up by way of a chemical reaction - and once they're 'on' you can't switch 'em 'off'. The Sun
  • This is because some species are capable of bioluminescence, in which chemicals made by the organism produce light in a chemical reaction.
  • In 1898, after laboriously isolating various substances by successive chemical reactions and crystallizations of the products, which they then tested for their ability to ionize air, the Curies announced the discovery of polonium, and then of radium salts weighing about 0.1 gram that had been derived from tons of uranium ore. Curie, Marie Sklodowska
  • Patents protect underlying ideas of useful inventions and processes, such as a chemical reaction or an inventive mechanical device.
  • The fuel cell generates electricity as a by-product of a chemical reaction involving dilute methanol.
  • Indeed, electrical currents could lead to a potential drop and to heating and catalysis of undesirable electrochemical reactions.
  • A chemical reaction will cause salt to corrode silver over time, so emptying a silver saltshaker should be one of your after-dinner cleanup duties.
  • Biochemical reaction, coagglutination test, metabolism inhibition test, polymerase chain reaction (PCR) assay, and DNA sequencing were employed to identify the isolated microorganisms.
  • The "foamy" effect that we grew up thinking was the Peroxide killing germs is just a chemical reaction: much like the fizzing you get from pouring soda into a glass. WN.com - Articles related to Disgraced lobbyist Jack Abramoff released from Maryland federal prison to halfway house
  • If the outermost shell is incomplete, this element enters into chemical reaction.
  • It demonstrated that the maximum work obtainable from a process could be calculated from the heat evolved at temperatures close to absolute zero - earlier ideas had not considered the effects of temperature - and conditions of equilibrium in many chemical reactions could now be precisely worked out. Walther Nernst - Biography
  • The key tools will be new breeds of enzymes - protein catalysts that speed up chemical reactions in cells.
  • The chemical elements and compounds are substantive kinds; the different chemical reactions are dynamic kinds; a tetrahedral molecular structure is a (structural) property kind (whose species include the particular tetrahedral structures of methane, carbon tetrachloride, silicon tetrafluoride and so forth). Natural Kinds
  • A complicated string of chemical reactions leads to the end product.
  • The resulting chemical reaction vaporizes 75 to 85 percent of the waste, transforming it into a blend of gases known as syngas so called because they can be used to create synthetic natural gas. Wired Top Stories
  • Mars's atmosphere is completely inert, no chemical reactions could go on there.
  • Whether a particular chemical reaction is likely to occur is related to the change in free energy involved.
  • Whether a particular chemical reaction is likely to occur is related to the change in free energy involved.
  • The substance being tested, called coenzyme Q10, is produced naturally in the body and is an important link in the chain of chemical reactions that produce energy in mitochondria, the Science Blog - Science news straight from the source
  • Organisms were identified by morphology and biochemical reactions.
  • The same chemical reaction that opens the phallic valves may also improve "microcirculation" under the skin, increasing blood flow and keeping cell membranes taut. WordPress.com Top Blogs
  • They can also be deformed by the uneven action of cementation or other chemical reactions, and modified by the activity of organisms moving over or on them, producing trace fossils.
  • The belief that symbols were generated incidentally by a series of undemonstrable and unidentifiable chemical reactions is an appeal to the metaphysics of materialism. Conceptualizing Design
  • The spark plug initiates this chemical reaction by igniting the charge.
  • To explain it, Eliot gave the analogy of a catalyst in a chemical reaction.
  • Polymerization is another type of chemical reaction employed in organic synthesis to couple small monomeric units into a much larger chain.
  • One day, through a bizarre series of chemical reactions, a rare breed of polypore grows from a plant in Paul's bedroom - imbuing him with telepathic abilities. WN.com - Financial News
  • The lecture begins with an introduction to thermochemistry, the study of heat flow to or from a chemical reaction.
  • He said it was like there was a chemical reaction inside him. Times, Sunday Times
  • In a previous paper, published in the journal Science on March 7, the chemists reported another successful chemical reaction that uses designer enzymes to catalyze a retro-aldol reaction, which involves breaking a carbon-carbon bond. Biosingularity
  • Instead of using metals to propel a chemical reaction (a standard method called organometallic catalysis widely used in the creation of pharmaceuticals), the team developed a way to use organic chemicals such as carbon in the reaction, an environmentally safer, easier and cheaper way to produce drugs. EurekAlert! - Breaking News
  • All modern re-refineries today rely on crucial cleansing processes -- yet, when vegetable-based and animal fat-based products are subjected to these necessary and unavoidable steps, an unwanted chemical reaction known as "saponification" occurs. Joan Brunwasser: A Motor Oil Company That's Both Green and Responsible? Check Out Universal Lubricants
  • A catalyst is a substance which speeds up a chemical reaction.
  • A chemical reaction therefore reveals which pair of building blocks has bonded to the enzyme.
  • The basic chemical reactions that power all life are the same. The Sun
  • Take note of this chemical reaction
  • The Luminol and hydrogen peroxide undergo a chemical reaction.
  • The chemical reaction solidifies the resin.
  • That released the firing pin, which in turn fired the percussion cap and triggered a chemical reaction that generated oxygen.
  • This is the proportion by which the rate of a chemical reaction is raised by an increase in temperature of 10 degrees on the Celsius scale.
  • Osmium tetroxide is used by scientists to stain materials and as a catalyst to speed up chemical reactions.
  • Another important term used to characterize chemical reactions kinetics is ‘half-life.’
  • Wedding hypothesized that sunlight caused a chemical reaction with the buckwheat as it traversed the cutaneous blood vessels in nonpigmented areas.
  • Like matter, energy is conserved in all chemical reactions.
  • After mixing the soil with perchlorate and heating it, they found that the gases produced were carbon dioxide and traces of chloromethane and dichloromethane - just like the gases released by the chemical reactions after the Viking landers heated the Martian soil more than three decades ago. BBC Ouch! Blog
  • A burning cigarette is a complex system in which many types of chemical reactions and physical processes occur in parallel.
  • Applications here focus on using gigabit networks to combine the processing power of multiple supercomputers for climate and chemical reaction modeling.
  • A complicated string of chemical reactions leads to the end product.
  • Pitta governs bodily functions concerned with heat and metabolism, and directs all biochemical reactions and the process of energy exchange.
  • The precious metal platinum is well known to be an excellent catalyst in a number of chemical reactions.
  • Redox is a contraction of the name for which chemical reaction? Times, Sunday Times
  • The browning is a result of chemical reactions called Maillard Reactions in the meat's proteins that produce deep, rich, and savory flavors. Cheap Roast Beef
  • Chemical reactions inside the cell strip electrons from the hydrogen atoms to produce a voltage that can power a circuit.
  • The study of oscillating reactions is the study of periodic changes in chemical reactions.
  • These had the refractive indices and gave the chemical reactions of lazulite, which is a hydrous phosphate of aluminum, iron and magnesium.
  • The Perkin reaction is a chemical reaction that is used to make cinnamic acids, a derivative of cinnamon.
  • Fuel cells, which provide electricity generated by a chemical reaction between hydrogen and oxygen, constitute one part of that research.
  • The basic unit of a compound is the molecule whose formation requires a chemical reaction. Biology Basic Facts
  • They start a chemical reaction in your brain - they tell you to slow down and relax.
  • Let's look at what's required: Maybe a hundred or so mechanochemical reactions to build the parts; some basic robotics and structural design for the fabricators and the nanofactory; a really advanced CAD program and training to design nanoscale machinery; and a nano-lithography or nano-assembly system that can build the first crude fabricator. The Speculist: Nanotechnology Timeline
  • The function of enzymes is to catalyse the chemical reactions upon which the functioning of the organism depends.
  • ASR is a chemical reaction which can occur in the concrete of a building resulting in cracks radiating from the interior.
  • It will hence be abundantly clear again that a special problem of chemical kinetics is involved in the special case of these catalyses and that until a way has been found whereby a rate of chemical reaction can generally be calculated in advance as a function of the chemical nature of the reagents and perhaps of the special form of the reaction equation, the catalysis problem cannot satisfactorily be answered. Wilhelm Ostwald - Nobel Lecture
  • To call the electrochemical reaction ‘spectacular’ is to afford it value – a value that he appears to be trying to establish, but in reality is accepting on faith. 2008 August « Anglican Samizdat
  • inhibit the rate of a chemical reaction
  • Chemical reactions and soiling mean it is now difficult to read this fascinating panel in detail.
  • Fuller said biodiesel is made through a process called transesterification, which involves a chemical reaction on the vegetable oil leaving glycerin and biodiesel behind. DesMoinesRegister.com - NEWS
  • A spokesman told News Shopper the excess bromate was due to a chemical reaction during the adding of ozone to the water.
  • To prevent “photooxidation” and the development of stale, harsh aromas, olive oil is best stored in the dark—in opaque cans, for example—and in cool conditions, which slow all chemical reactions. On Food and Cooking, The Science and Lore of the Kitchen
  • The energy that is required to activate molecules for a chemical reaction is the activation energy of the reaction.
  • The movement of trace-elements through the environment A large number of chemical reactions take place when trace metals move through the environment.
  • Here 130 million light-sensitive rods and cones cause photochemical reactions which transform the light into electrical impulses.
  • The children built a volcano using clay and used the chemical reaction between bread soda and vinegar to simulate the volcano.
  • His first problem involved the study, by flow techniques, of free radicals produced in gaseous photochemical reactions. George Porter - Biography
  • A complicated string of chemical reactions leads to the end product.
  • Charleton appeals to the explanation of such phenomena as rarefaction and condensation, the differences in "degrees of Gravity" of bodies, and the numerous ways in which bodies can interpenetrate at the micro-level in terms of solubility, absorption, calefaction, and diverse chemical reactions. Newton's Views on Space, Time, and Motion
  • In both cases the nitric oxide is produced by a reaction from a chemical called L-arginine. The chemical reaction is catalysed by an enzyme called nitric oxide synthase.
  • Somehow this eclectic blend of influences produces an extraordinary alchemical reaction. Times, Sunday Times
  • The firm explained that hydrolysis, oxidation, polymerization, isomerization and cyclization are common chemical reactions in frying oil that produce both volatile and nonvolatile compounds. FoodNavigator RSS
  • The cells in a car battery generate electricity with a chemical reaction between a lead plate and a lead dioxide plate that are bathed in acid.
  • There is no life without chemical reactions, and yet chemical reaction is not life; there is no life without what biologists call the colloid state, and yet the colloid state is not life. In the Noon of Science
  • The other 3-carbon molecules are used to rebuild 5-carbon compounds again through a series of complex chemical changes to continue the circulation of chemical reactions in dark reaction.
  • Cold fusion is an attempt to get fusion to occur under less extreme conditions, possibly as a result of chemical reactions.
  • Problems arise when chemical reactions change the arsenates into arsenites, which don't bind tightly to other minerals and can therefore enter the underground water supply.
  • Young ex-architect Kekul" went looking among the molecules of the time for the hidden shapes he knew were there, shapes he did not like to think of as real physical structures, but as "rational formulas," showing the relationships that went on in "metamorphoses," his quaint 19th-century way of saying "chemical reactions. Gravity's Rainbow
  • The heat brings about a chemical reaction, and oxygen is liberated.
  • It is based on fuel cell technology, which, like conventional batteries, uses electrochemical reactions to generate power.
  • All in all, fabric dyeing is a fascinating process, and would proabably make a very interesting homeschool science project, since it involves complex chemical reactions. Dyeing Day
  • Inside the mold, the liquid undergoes an exothermic chemical reaction, which forms the polyurethane polymer in the mold.
  • Bacteria from a Yellowstone geyser are the source of enzymes that power a biochemical reaction called PCR, a workhorse of the genome revolution. What the Spill Will Kill
  • Further work will try to determine the chemical reactions occurring during triboluminescence.
  • When the mix is placed in soil and watered, it starts a chemical reaction that frees phosphorus that plants can use.
  • However, ozone also participates in complex chemical reactions involving trace substances in the stratosphere.
  • The photochemical reaction pathways of the different cycloadditions were explored on the basis of TD-DFT calculations using the Gaussian 98 implementation of the method developed by Scuseria and co-workers.
  • He said it was like there was a chemical reaction inside him. Times, Sunday Times
  • A major unanswered question is how the stepwise rotation is coupled to distinct chemical reactions in the three sites.
  • The chemical reaction of liquor body and some compositions of bottles (because liquor presents subacidity) would dissolve minute quantity of bottle compositions in liquor during bottle filling.
  • Chemists study these organisms because they are able to perform chemical reactions under extreme conditions.
  • Lead dioxide, on the other hand, is highly electronegative, preferring to absorb electrons in chemical reactions. The Economist: Correspondent's diary
  • he determined unique mechanisms for the photochemical reactions
  • a reversible chemical reaction
  • Meanwhile, the sulfur dioxide component underwent chemical reactions to form a particulate known as sulfate aerosol (in essence, droplets of water and sulfuric acid), which absorbs sunlight and reflects some of it back into space. Can a Million Tons of Sulfur Dioxide Combat Climate Change?
  • The color change in acid-base indicators is due to a chemical reaction between the indicator and the hydronium ions in the solution.
  • Soaps are created by the chemical reaction of a fatty acid with an alkali metal hydroxide.
  • The fuel cell generates electricity as a by-product of a chemical reaction involving dilute methanol.
  • The "oxidant" in the word "antioxidant" isn't just anything having to do with oxygen, "oxidant" is referring to a chemical reaction called oxidation. Original Signal - Transmitting Buzz
  • Protein kinases turn on other enzymes by a chemical reaction called phosphorylation that adds phosphate tags to proteins.
  • A typical chemical reaction takes place on a timescale of about a picosecond.
  • Forty degrees centigrade is the maximal temperature at which this chemical reaction will occur.
  • However, studies have shown that lead, like other heavy metals, inactivates enzymes (proteins that catalyze biochemical reactions).
  • It was a chemical reaction, the kind when you mix two substances that aren't supposed to be mixed together.
  • The basic chemical reactions that power all life are the same. The Sun
  • Harvey's team suggests that organic carbon feeds chemical reactions that liberate arsenic from minerals in the soil.
  • It can store genetic information, as DNA does, but it can also adopt complex three-dimensional shapes and catalyze chemical reactions on itself, as proteins do.
  • Baking is a science, a chemical reaction that starts in a mixing bowl, and low-fat baking is even more complex.
  • Moore and Rymer think the more likely culprit is talc that forms along veins and fractures in the serpentinite due to the combination of shearing along the fault and a chemical reaction to hydrothermal water circulating through the rock. Soft Powder May Ease Friction Along San Andreas Fault | Impact Lab
  • The mechanical oscillation is driven by the energy of the chemical reaction shown in Fig.1.
  • Commercially pure ethanol is produced using a variety of chemical reactions to eliminate the water.
  • Superoxide acts as a reducing agent and helps produce other oxidants through chemical reactions.
  • In both cases the nitric oxide is produced by a reaction from a chemical called L-arginine. The chemical reaction is catalysed by an enzyme called nitric oxide synthase.
  • A precipitate is a solid generated out of a solution via chemical reaction. Somewhat overgeneralized chemistry analogy of the day
  • The enzymes that catalyze the chemical reactions that keep the cells alive function most efficiently over a limited range of body temperatures.
  • Both isotopes act the same in most chemical reactions, but reactions in the atmosphere in which sulfur dioxide gas molecules are split by ultraviolet light (UV) rays cause the isotopes to be sorted or "fractionated" into different reaction products, creating isotopic anomalies. Innovations-report
  • Well, soap is a unique substance of potassium fatty acid salts, produced through a chemical reaction called saponification.
  • Ozone is produced when sunlight triggers chemical reactions involving reactive hydrocarbons and nitrogen oxides.
  • In chemical reactions, it is the electrons in these orbitals that form or break bonds between different atoms.
  • When we eat, all kinds of chemical reactions take place in our bodies. The Sun
  • Forty degrees centigrade is the maximal temperature at which this chemical reaction will occur.
  • Functioning as biocatalysts, enzymes increase and control the rate of chemical reactions.
  • They used the ice calorimeter to measure the heat given off by a guinea pig as it breathed oxygen, relating this heat to that of a chemical reaction occurring inside the animal.
  • In a chemical rocket these molecules are the products of a chemical reaction.
  • The rate of chemical reactions often depends on the concentration of the reactants involved.
  • This sets up a chemical reaction which turns the gas into nitric acid and the nitric acid is neutralised by calcium carbonate which is also suspended in the paint.
  • To produce bone, nature uses organic molecules to organize inorganic components that become mineralized through additional chemical reactions.
  • In fact, one of the critical roles of enzymes in biochemistry is to lower the temperature requirements for chemical reactions.
  • The most simple case of such a chemical reaction is the decomposition of hydrogen peroxide in the presence of the enzyme catalase inside the cell.
  • These currents are largely produced by electrochemical reactions and fluid flow in the subsurface, and the measurable voltages can be up to several hundred millivolts.
  • Called Instant Gel, their proposal also makes use of existing water-borne organism and pollutants but this time they are to be used to set off a chemical reaction with layers of flexible gelly structures, creating fantastical island-sized foamy water lilies. Some Proposals for a Venice Lagoon Park
  • His was the first group to study chemical reactions in this way under molecular beam conditions.
  • When your thyroid stops working properly and doesn't produce enough hormones, chemical reactions all over your body go out of kilter and many bodily functions simply slow down.
  • The heat brings about a chemical reaction, and oxygen is liberated.
  • Second stage pre-carbonization: the temperature is in the range of 120℃ to 260℃ and there is a distinct chemical reaction in bamboo. Fab Fabrics: Greenyarn’s Bamboo Ecofabric
  • However, studies have shown that lead, like other heavy metals, inactivates enzymes (proteins that catalyze biochemical reactions).
  • Paired with a matching substrate, an enzyme speeds up a vital chemical reaction.
  • The hope, obviously, is that a kind of chemical reaction between biographer and biographee will spark fresh illuminations of subjects who have already been exhaustively studied and written about. Dickens Our Contemporary
  • The two substances are now in contact , and a chemical reaction is occurring.
  • However, although the properties of these basic chemical reactions have been measured and understood to the nth degree, no one has been able to show from first principles exactly why lead and lead dioxide tend to be so electropositive and electronegative. The Economist: Correspondent's diary
  • November 21st, 2006 at 1: 03 am bFast, the claim that proteins change the poise of equilibria of chemical reactions they catalyze is wrong. College professor: "Flunk the IDiots"
  • A chemical reaction takes place between sodium, potassium and magnesium chlorides from salt with calcium oxides and hydroxide from soil to form calcium chloride.
  • A nanoscale gold "reagent" - which detects a substance via a chemical reaction - is injected, followed by a silver one that interacts with the gold to produce an ultra-thin film. Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph
  • Corrosion Control All materials corrode, which is to say every substance eventually changes from one form to another through chemical reactions. Engineering News | Home
  • A dynamic model takes into consideration rapid chemical reactions, eg chemical weathering, nutrient uptake and nitrification.

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