The most reaction can achieve is stasis, and a stasis that can be maintained only by the expenditure of an effort which ultimately exhausts itself.

Blowing can be either one of two types -- carbon dioxide gas generated by the reaction of water on the polyisocyanate or mechanical blowing through the use of a low-boiling liquid such as a fluorinated hydrocarbon.

The second reaction can be described using either theory.

Note that the acid can be the charged species and the conjugate base can be neutral in which case the generalized reaction scheme could be written as HA < sup >+</ sup > H < sup >+</ sup > + A.

This results in a characteristic type of irregular, uncoordinated movement that can manifest itself in many possible ways, such as asthenia, asynergy, delayed reaction time, and dyschronometria.

Unusual thermal Diels-Alder reactivity of arenes can be found in the Wagner-Jauregg reaction.

He showed that, although matter can change its state in a chemical reaction, the total mass of matter is the same at the end as at the beginning of every chemical change.

This can be caused by an autoimmune reaction, by certain infections or by some other rarer causes.

Alkynes can be prepared from aldehydes using the Corey-Fuchs reaction and from aldehydes or ketones by the Seyferth – Gilbert homologation.

A severe allergic reaction that rarely can affect the bowel wall and secondarily cause abdominal pain can occur.

Only a proper, artist-grade acrylic gesso should be used to prime canvas in preparation for painting with acrylic ( however acrylic paint can be applied to raw canvas if so desired without any negative effect or chemical reaction as would be the case with oils ).

When the chain reaction occurs in a cell, it can cause damage or death to the cell.

The reverse reaction can also occur, using a molecule of water to split up a disaccharide and break the glycosidic bond ; this is termed hydrolysis.

It can be an adverse reaction to prescribed medication.

This can also be deduced from the equilibrium constant expression for the reaction:

A simple example can be seen in the combustion of hydrogen and oxygen, which is a commonly used reaction in rocket engines:

Solid materials that can sustain a smoldering reaction include coal, cellulose, wood, cotton, tobacco, peat, duff, humus, synthetic foams, charring polymers including polyurethane foam, and dust.

Energy that can be released ( or absorbed ) because of a reaction between a set of chemical substances is equal to the difference between the energy content of the products and the reactants.

* Computational studies can be used to predict the possibility of so far entirely unknown molecules or to explore reaction mechanisms that are not readily studied by experimental means.

Such a surface can be used for reaction dynamics.

Although it was originally presented in reaction to the statements of artificial intelligence researchers, it is not an argument against the goals of AI research, because it does not limit the amount of intelligence a machine can display.

It may be a reaction to a percussive sound, the following movements constituting further reactions.

Since a civilizational crisis involves also a crisis in private interests and in the ruling class, reaction is normally found among those who feel themselves to be among the ruling class.

The rate of the gas phase exchange reaction appears to be proportional to the first power of the absorbed light intensity indicating that the radical intermediates are removed at the walls or by reaction with an impurity rather than by bimolecular radical combination reactions.

Furthermore, the exchange would not be expected to be sensitive to trace amounts of impurities because it would not be apt to be a chain reaction since the activation energy for abstraction of chlorine by a chlorine atom would be expected to be too high ; ;

Following observation of the fact that the reaction rates of supposedly identical reaction mixtures prepared on the same filling manifold and exposed under identical conditions often differed by several hundred per cent, a systematic series of experiments was undertaken to see whether the difficulty could be ascribed to the method of preparing the chlorine, to the effects of oxygen or moisture or to the effect of surface to volume ratio in the reaction tubes.

By comparing reaction cells sealed from the same manifold temperature dependency corresponding to activation energies ranging from 11 to 18 Af was observed while dependence on the first power of the light intensity seemed to be indicated in most cases.

-- Although there was some variation in results which must be attributed either to trace impurities or to variation in wall effects, the photochemical exchange in the gas phase was sufficiently reproducible so that it seemed meaningful to compare the reaction rates in different series of reaction tubes for the purpose of obtaining information on the effect of chlorine concentration and of carbon tetrachloride concentration on the reaction rate.

The unhealthy use of denial in the initial reaction to a stress must be handled through the medium of a positive controlled transference.

A more tenable explanation for the change in reactions is that the added knowledge and increased familiarity with the total situation made it possible for these subjects to be less guarded and to relax, since any reaction seemed acceptable to the examiner as `` normal ''.

Recent work with radiocarbon and deuterated alcohols as solvents, however, has given evidence that metal-hydrido and carbonyl complexes may be readily formed by reaction with alcohol in some of these systems.

In the second example CH < sub > 3 </ sub > COOH undergoes the same transformation, in this case donating a proton to ammonia ( NH < sub > 3 </ sub >), but cannot be described using the Arrhenius definition of an acid because the reaction does not produce hydronium.

This reaction cannot be described in terms of Brønsted theory because there is no proton transfer.

Argon was used as a blowing gas to exclude any effects of dissociation or chemical reaction.

This subject, who has been undergoing psychoanalytic psychotherapy for five years, did not give a positive Kohnstamm reaction under any of the four standardized conditions used in this experiment while sober.

They used a calorimeter to estimate the heat evolved per unit of carbon dioxide produced, eventually finding the same ratio for a flame and animals, indicating that animals produced energy by a type of combustion reaction.

On Monday, 8 May 1972, ground service equipment being used to empty the residual toxic reaction control system fuel in the command module tanks exploded in a Naval Air Station hangar.

More recent IUPAC recommendations now suggest the newer term " hydronium " be used in favor of the older accepted term " oxonium " to illustrate reaction mechanisms such as those defined in the Brønsted – Lowry and solvent system definitions more clearly, with the Arrhenius definition serving as a simple general outline of acid – base character.

The enzyme itself is not used up in the process, and is free to catalyze the same reaction with a new set of substrates.

This restriction was based on the possibility that a small number of people might develop an allergic reaction to the Bt protein used in StarLink that is less rapidly digested than the version used in other Bt varieties.

Any of these reactions may be used in LPCVD, but the silane reaction is also done in APCVD.

Normally, two or more different monomers are used in the reaction.

Another approach used is the reaction of di-functional monomers, with one amine and one carboxylic acid group on the same molecule:

A catalyst is not destroyed or changed during a reaction, so it can be used again.

The reaction takes place in the active site, a small part of the enzyme which is usually found in a cleft or pocket lined by amino acid residues, and the rest of the enzyme is used mainly for stabilization.

For example, the thermite reaction is used to generate light and heat in pyrotechnics and welding.

A less accessible but rather efficient method is introduction of a radioactive isotope into the reaction and monitoring how it changes over time and where it moves to ; this method is often used to analyze redistribution of substances in the human body.

It is uncertain where it was first discovered that a combination of hydrated non-hydraulic lime and a pozzolan produces a hydraulic mixture ( see also: Pozzolanic reaction ), but concrete made from such mixtures was first used by the Ancient Macedonians and three centuries later on a large scale by Roman engineers.

Special cryogenic chemical reactors are used to remove reaction heat and provide a low temperature environment.

* Polymerase chain reaction, a technique used in molecular biology to amplify ( make many copies of ) a piece of DNA by in vitro enzymatic replication using a DNA polymerase.

* In chemistry, it is often used to represent the addition of heat in a reaction.

In a full-size nuclear power plant, the heat of a nuclear reaction is used to run a heat engine.