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Le Chatelier's principle

Index Le Chatelier's principle

Le Chatelier's principle, also called Chatelier's principle or "The Equilibrium Law", can be used to predict the effect of a change in conditions on some chemical equilibria. [1]

58 relations: Ammonia, Biology, Bulletin de la Société Chimique de France, Carbon, Carbon monoxide, Catalysis, Chemical equilibrium, Chemistry, Collision theory, Common ion effect, Concentration, Constraint (mathematics), Economic equilibrium, Economics, Elasticity (economics), Endothermic process, Equilibrium constant, Exothermic process, Exothermic reaction, Fluctuation theorem, Foundations of Economic Analysis, Haber process, Helium, Henry Louis Le Chatelier, Homeostasis, Hydrogen, Inert gas, Joule, Karl Ferdinand Braun, Ligand (biochemistry), Mechanical equilibrium, Methanol, Mole (unit), Negative feedback, Nitrogen, Noble gas, Non-equilibrium thermodynamics, Octave Boudouard, Oxygen, Partial pressure, Paul Samuelson, Pharmacology, Positive feedback, Pressure, Response reactions, Reversible reaction, Shock (mechanics), Solution, Standard conditions for temperature and pressure, Status quo, ..., Temperature, The New Palgrave Dictionary of Economics, Thermal runaway, Thermodynamics, Total pressure, Van 't Hoff equation, Volume, Yield (chemistry). Expand index (8 more) »

Ammonia

Ammonia is a compound of nitrogen and hydrogen with the formula NH3.

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Biology

Biology is the natural science that studies life and living organisms, including their physical structure, chemical composition, function, development and evolution.

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Bulletin de la Société Chimique de France

The Bulletin de la Société Chimique de France was a French peer-reviewed scientific journal on chemistry published by the Société Chimique de France.

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Carbon

Carbon (from carbo "coal") is a chemical element with symbol C and atomic number 6.

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Carbon monoxide

Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air.

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Catalysis

Catalysis is the increase in the rate of a chemical reaction due to the participation of an additional substance called a catalysthttp://goldbook.iupac.org/C00876.html, which is not consumed in the catalyzed reaction and can continue to act repeatedly.

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Chemical equilibrium

In a chemical reaction, chemical equilibrium is the state in which both reactants and products are present in concentrations which have no further tendency to change with time, so that there is no observable change in the properties of the system.

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Chemistry

Chemistry is the scientific discipline involved with compounds composed of atoms, i.e. elements, and molecules, i.e. combinations of atoms: their composition, structure, properties, behavior and the changes they undergo during a reaction with other compounds.

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Collision theory

Collision theory is a theory proposed independently by Max Trautz in 1916 and William Lewis in 1918, that qualitatively explains how chemical reactions occur and why reaction rates differ for different reactions.

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Common ion effect

The common ion effect states that in a chemical solution, if the concentration of any one of the ions is increased, then, some of the ions in excess should be removed from solution, by combining with the oppositely charged ions.

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Concentration

In chemistry, concentration is the abundance of a constituent divided by the total volume of a mixture.

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Constraint (mathematics)

In mathematics, a constraint is a condition of an optimization problem that the solution must satisfy.

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Economic equilibrium

In economics, economic equilibrium is a state where economic forces such as supply and demand are balanced and in the absence of external influences the (equilibrium) values of economic variables will not change.

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Economics

Economics is the social science that studies the production, distribution, and consumption of goods and services.

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Elasticity (economics)

In economics, elasticity is the measurement of how an economic variable responds to a change in another.

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Endothermic process

The term endothermic process describes the process or reaction in which the system absorbs energy from its surroundings, usually in the form of heat.

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Equilibrium constant

The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical equilibrium, a state approached by a dynamic chemical system after sufficient time has elapsed at which its composition has no measurable tendency towards further change.

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Exothermic process

In thermodynamics, the term exothermic process (exo-: "outside") describes a process or reaction that releases energy from the system to its surroundings, usually in the form of heat, but also in a form of light (e.g. a spark, flame, or flash), electricity (e.g. a battery), or sound (e.g. explosion heard when burning hydrogen).

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Exothermic reaction

An exothermic reaction is a chemical reaction that releases energy by light or heat.

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Fluctuation theorem

The fluctuation theorem (FT), which originated from statistical mechanics, deals with the relative probability that the entropy of a system which is currently away from thermodynamic equilibrium (i.e., maximum entropy) will increase or decrease over a given amount of time.

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Foundations of Economic Analysis

Foundations of Economic Analysis is a book by Paul A. Samuelson published in 1947 (Enlarged ed., 1983) by Harvard University Press.

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Haber process

The Haber process, also called the Haber–Bosch process, is an artificial nitrogen fixation process and is the main industrial procedure for the production of ammonia today.

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Helium

Helium (from lit) is a chemical element with symbol He and atomic number 2.

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Henry Louis Le Chatelier

Henry Louis Le Chatelier (8 October 1850 – 17 September 1936) was a French chemist of the late 19th and early 20th centuries.

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Homeostasis

Homeostasis is the tendency of organisms to auto-regulate and maintain their internal environment in a stable state.

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Hydrogen

Hydrogen is a chemical element with symbol H and atomic number 1.

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Inert gas

An inert gas/noble gas is a gas which does not undergo chemical reactions under a set of given conditions.

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Joule

The joule (symbol: J) is a derived unit of energy in the International System of Units.

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Karl Ferdinand Braun

Karl Ferdinand Braun (6 June 1850 – 20 April 1918) was a German inventor, physicist and Nobel laureate in physics.

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Ligand (biochemistry)

In biochemistry and pharmacology, a ligand is a substance that forms a complex with a biomolecule to serve a biological purpose.

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Mechanical equilibrium

In classical mechanics, a particle is in mechanical equilibrium if the net force on that particle is zero.

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Methanol

Methanol, also known as methyl alcohol among others, is a chemical with the formula CH3OH (a methyl group linked to a hydroxyl group, often abbreviated MeOH).

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Mole (unit)

The mole, symbol mol, is the SI unit of amount of substance.

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Negative feedback

Negative feedback (or balancing feedback) occurs when some function of the output of a system, process, or mechanism is fed back in a manner that tends to reduce the fluctuations in the output, whether caused by changes in the input or by other disturbances.

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Nitrogen

Nitrogen is a chemical element with symbol N and atomic number 7.

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Noble gas

The noble gases (historically also the inert gases) make up a group of chemical elements with similar properties; under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity.

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Non-equilibrium thermodynamics

Non-equilibrium thermodynamics is a branch of thermodynamics that deals with physical systems that are not in thermodynamic equilibrium but can be described in terms of variables (non-equilibrium state variables) that represent an extrapolation of the variables used to specify the system in thermodynamic equilibrium.

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Octave Boudouard

Octave Leopold Boudouard (1872–1923) was a French chemist known for his 1905 discovery of the Boudouard reaction.

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Oxygen

Oxygen is a chemical element with symbol O and atomic number 8.

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Partial pressure

In a mixture of gases, each gas has a partial pressure which is the hypothetical pressure of that gas if it alone occupied the entire volume of the original mixture at the same temperature.

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Paul Samuelson

Paul Anthony Samuelson (15 May 1915 – 13 December 2009) was an American economist and the first American to win the Nobel Memorial Prize in Economic Sciences.

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Pharmacology

Pharmacology is the branch of biology concerned with the study of drug action, where a drug can be broadly defined as any man-made, natural, or endogenous (from within body) molecule which exerts a biochemical or physiological effect on the cell, tissue, organ, or organism (sometimes the word pharmacon is used as a term to encompass these endogenous and exogenous bioactive species).

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Positive feedback

Positive feedback is a process that occurs in a feedback loop in which the effects of a small disturbance on a system include an increase in the magnitude of the perturbation.

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Pressure

Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.

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Response reactions

The theory of response reactions (RERs) or response equilibria was elaborated for the thermodynamic systems in which more than one equilibrium is established simultaneously.

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Reversible reaction

A reversible reaction is a reaction where the reactants form products, which react together to give the reactants back.

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Shock (mechanics)

A mechanical or physical shock is a sudden acceleration caused, for example, by impact, drop, kick, earthquake, or explosion.

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Solution

In chemistry, a solution is a special type of homogeneous mixture composed of two or more substances.

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Standard conditions for temperature and pressure

Standard conditions for temperature and pressure are standard sets of conditions for experimental measurements to be established to allow comparisons to be made between different sets of data.

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Status quo

Status quo is a Latin phrase meaning the existing state of affairs, particularly with regard to social or political issues.

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Temperature

Temperature is a physical quantity expressing hot and cold.

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The New Palgrave Dictionary of Economics

The New Palgrave Dictionary of Economics (2008), 2nd ed., is an eight-volume reference work on economics, edited by Steven N. Durlauf and Lawrence E. Blume and published by Palgrave Macmillan.

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Thermal runaway

Thermal runaway occurs in situations where an increase in temperature changes the conditions in a way that causes a further increase in temperature, often leading to a destructive result.

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Thermodynamics

Thermodynamics is the branch of physics concerned with heat and temperature and their relation to energy and work.

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Total pressure

In physics, the term total pressure may indicate two different quantities, both having the dimensions of a pressure.

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Van 't Hoff equation

The van 't Hoff equation relates the change in the equilibrium constant,, of a chemical reaction to the change in temperature, T, given the standard enthalpy change,, for the process.

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Volume

Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains.

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Yield (chemistry)

In chemistry, yield, also referred to as reaction yield, is the amount of product obtained in a chemical reaction.

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References

[1] https://en.wikipedia.org/wiki/Le_Chatelier's_principle

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