dynamic equilibrium chemistry definition
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Dynamic equilibrium Dynamic equilibrium. Definition. noun. A system in a steady state since forward reaction and backward reaction occur at the same rate. Supplement. In a dynamic equilibrium, the rate of loss is equal to the rate of gain. Dynamic equilibrium is applied in thermodynamics for systems involving reversible reactions.
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Definitions &Translations Wiktionary(0.00 / 0 votes)Rate this definition: radiation(Noun) The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat. radiation(Noun) The process of radiating waves or particles.
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- This leads to the idea of a dynamic equilibrium, and what the common term position of equilibrium means. Reversible reactions. A reversible reaction is one which can be made to go in either direction depending on the conditions.
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- An example of an important dynamic equilibrium is the equilibrium between ice and water at 0 ºC, where ice is melting at the same rate as the water is freezing.
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equilibrium The state of a chemical reaction in which its forward and reverse reactions occur at equal rates so that the concentration of the reactants and products does not change with time. Also called dynamic equilibrium.
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Solubility equilibrium It exists when a chemical compound in the solid state is in chemical equilibrium with a solution of that compound. The solid may dissolve unchanged, with dissociation or with chemical reaction with another constituent of the solvent, such as acid or alkali. Each type of equilibrium is characterized by a temperature-dependent equilibrium constant.
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- Equilibrium. Chemical equilibrium has been reached in a reaction when the rate of the forward reaction is equal to the rate of the reverse reaction. When a chemical reaction has reached equilibrium, collisions are still occurring: the reaction is now happening in each direction at the same rate. This means that reactants are being formed at the same rate as products are being formed, and this is indicated by double arrows, .
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Equilibrium constant Thermodynamic equilibrium is characterized by the free energy for the whole (closed) system being a minimum. For systems at constant pressure the Gibbs free energy is minimum. The slope of the reaction free energy, δGr with respect to the reaction coordinate, ξ, is zero when the free energy is at its minimum value.
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chemical equilibrium Equilibrium, Chemical. the state of a system in which one or more reversible chemical reactions occur and in which the forward and reverse rates for each reaction are equal. The composition of the system therefore remains constant so long as the conditions of its existence are preserved.hemical equilibrium. (chemistry). A condition in which a chemical reaction is occurring at equal rates in its forward and reverse directions, so that the concentrations of the reacting substances do not change with time. Also known as equilibrium.
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- Chemical equilibrium is something you definitely want to avoid for yourself as long as possible. The myriad chemical reactions in living organisms are constantly moving toward equilibrium, but are prevented from getting there by input of reactants and removal of products.
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EQUILIBRIUM (equilibria) Equilibrium is * a stable situation in which forces cancel one another * chemical equilibrium: a chemical reaction and its reverse proceed at equal rates * balance: equality of distribution * a sensory system located in structures of the inner ear that registers the orientation of the head. YOUR WELCOME.
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- Plural equilibriums or equilibria. Physics The state of a body or physical system that is at rest or in constant and unchanging motion. A system that is in equilibrium shows no tendency to alter over time. ◇ If a system is in static equilibrium, there are no net forces and no net torque in the system.
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What are Kp and Kc? What is relation between them? The equilibrium constant of a chemical reaction is the value of the reaction quotient when the reaction has reached equilibrium. An equilibrium constant value is independent of the analytical concentrations of the reactant and product species in a mixture, but depends on temperature and on ionic strength.
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- From Wikipedia, the free encyclopedia. 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. Usually, this state results when the forward reaction proceeds at the same rate as the reverse reaction.
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dynamic equilibrium a state of balance between opposing forces or influences. In the body, equilibrium may be chemical or physical. A state of chemical equilibrium is reached when the body tissues contain the proper proportions of various salts and water. See also acid-base balance and fluid balance.
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Declaration of Independence The Continental Congress had voted for independence on July 2. Two days later on July 4, a declaration explaining the reasons for independence, largely written by Thomas Jefferson, had also been adopted. Washington received official notification when a letter dated July 6 arrived from John Hancock, the president of the Continental Congress, along with a copy of the declaration.
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What Is Static Equilibrium? Static equilibrium is a term used in physics to describe a situation in which the total forces acting on an object at rest add up to zero. In other words, the forces pulling the object in different directions balance out, causing the object to remain motionless.
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What are Kp and Kc? What is relation between them? The equilibrium constant of a chemical reaction is the value of the reaction quotient when the reaction has reached equilibrium. A reaction quotient (Qr) is a function of the activities or concentrations of the chemical species involved in a chemical reaction.
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- Eh ­pH­ diagrams show the thermodynamic stability areas of different species in an aqueous. solution . Stability areas are presented as a function of pH and electrochemical potential. scales. Usually the upper and lowe r stability limits of water are also shown in the diagrams. with dotted lines.
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Chemical equilibrium The concept of chemical equilibrium was developed after Berthollet (1803) found that some chemical reactions are reversible. For any reaction mixture to exist at equilibrium, the rates of the forward and backward (reverse) reactions are equal.sually, this state results when the forward reaction proceeds at the same rate as the reverse reaction. The reaction rates of the forward and backward reactions are generally not zero, but equal. Thus, there are no net changes in the concentrations of the reactant(s) and product(s).
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- KP and Kc. 1  KP is an equilibrium constant calculated using the partial pressure of each reactant and product. 2  Kc is an equilibrium constant calculated using the molarities (concentration) of each reactant and product.  For the gaseous reaction: kA(g) + lB(g) mC(g) + nD(g)
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- 3) The chemical equilibrium is a dynamic equilibrium, because both the forward and backward reactions continue to occur even though it appears static externally. The concentrations of reactants and products do not change with time but their inter conversion continue to occur.
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EQUILIBRIUM (equilibria) equilibrium; chemical equilibrium. Hypernyms (equilibrium is a kind of...): chemical reaction; reaction ((chemistry) a process in which one or more substances are changed into others) Hyponyms (each of the following is a kind of equilibrium): poise (a state of being balanced in a stable equilibrium) Nash equilibrium ((game theory) a stable state of a system that involves several interacting participants in which no participant can gain by a change of strategy as long as all the other participants remain unchanged)
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equilibrium n a state of balance between two opposing forces or processes. equilibrium, functional, n the state of homeostasis within the oral cavity existing when biologic processes and local environmental factors, including the forces of mastication, are in a state of balance.
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- This means, of course, that if the total free energy G of a mixture of reactants and products goes through a minimum value as the composition changes, then all net change will cease— the reaction system will be in a state of chemical equilibrium.
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Chapter 40 - Basic Principles of Animal Form and Function When a chemical reaction is at equilibrium, any disturbance of the system, such as a change in temperature, or addition or removal of one of the reaction components, will shift the composition to a new equilibrium state. This is the only unambiguous way of verifying that a reaction is at equilibrium.