Information about Dynamic Equilibrium
A dynamic equilibrium occurs when two reversible processes proceed at the same rate. Many processes (such as some chemical reactions) are reversible and when at dynamic equilibrium the forward reaction will occur at the same rate as the reverse reaction such that there is no further change in concentration of reactants or products.
An example of the process can be imagined if a bucket is filled with water and placed in a small room. The water from the bucket will evaporate, and the air in the room will start to become saturated with water vapor. Eventually, the air will be completely saturated with water, and the level of water in the bucket will stop falling. However, water from the bucket is still evaporating. What is happening is that molecules of water in the air will occasionally hit the surface of the water and condense back into the liquid water, and this occurs at the same rate at which water evaporates from the bucket. This is an example of dynamic equilibrium, because the rate of evaporation equals the rate of condensation.
The concept of dynamic equilibrium is not limited to simple changes of state such as that described above. It is often applied to the analysis of chemical reaction kinetics, to obtain useful information about the ratios of reactants and products which will form at equilibrium. It should be noted that at equilibrium the concentrations of the reactants and the concentrations of the products are constant.
The term also has applications across a wide range of disciplines. While it may be applied to less physical systems in these fields, it still relates to a stable situation maintained by balancing processes. For example: in economics it may be used to refer to the constant flux of capital in otherwise stable markets; in ecology, an unchanging population of organisms results from the balancing of birth rate against death rate.
This term can also be used to refer to a steady state (i.e., a state which isn't a true equilibrium, but does not change with time). This can only happen if the system is in contact with an environment which is not in equilibrium.
Steady state is a more general situation than Dynamic equilibrium. If a system is in steady state then the recently observed behaviour of the system will continue into the future.
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An example of the process can be imagined if a bucket is filled with water and placed in a small room. The water from the bucket will evaporate, and the air in the room will start to become saturated with water vapor. Eventually, the air will be completely saturated with water, and the level of water in the bucket will stop falling. However, water from the bucket is still evaporating. What is happening is that molecules of water in the air will occasionally hit the surface of the water and condense back into the liquid water, and this occurs at the same rate at which water evaporates from the bucket. This is an example of dynamic equilibrium, because the rate of evaporation equals the rate of condensation.
The concept of dynamic equilibrium is not limited to simple changes of state such as that described above. It is often applied to the analysis of chemical reaction kinetics, to obtain useful information about the ratios of reactants and products which will form at equilibrium. It should be noted that at equilibrium the concentrations of the reactants and the concentrations of the products are constant.
The term also has applications across a wide range of disciplines. While it may be applied to less physical systems in these fields, it still relates to a stable situation maintained by balancing processes. For example: in economics it may be used to refer to the constant flux of capital in otherwise stable markets; in ecology, an unchanging population of organisms results from the balancing of birth rate against death rate.
This term can also be used to refer to a steady state (i.e., a state which isn't a true equilibrium, but does not change with time). This can only happen if the system is in contact with an environment which is not in equilibrium.
See also
Reversibility can refer to
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- Reversible dynamics - a mathematical dynamical system, or physical laws of motion, for which time-reversed dynamics are well defined.
- * A reversible diffusion — an example of a reversible stochastic process.
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chemical reaction is a process that results in the interconversion of chemical substances.[1] The substance or substances initially involved in a chemical reaction are called reactants.
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In chemistry, saturation has four different meanings:
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- In physical chemistry, saturation is the point at which a solution of a substance can dissolve no more of that substance and additional amounts of that substance will appear as a precipitate.
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Water vapor or water vapour (see spelling differences), also aqueous vapor, is the gas phase of water. Water vapor is one state of the water cycle within the hydrosphere.
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molecule is defined as a sufficiently stable electrically neutral group of at least two atoms in a definite arrangement held together by strong chemical bonds.[1][2] In organic chemistry and biochemistry, the term molecule
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In physical chemistry, chemical kinetics or reaction kinetics is the study of reaction rates in a chemical reaction. Analyzing the influence of different reaction conditions on the reaction rate gives information about the reaction mechanism and the transition state of a chemical
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Information is the result of processing, gathering, manipulating and organizing data in a way that adds to the knowledge of the receiver. In other words, it is the context in which data is taken.
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Economics is the social science that studies the production, distribution, and consumption of goods and services. The term economics comes from the Greek for oikos (house) and nomos (custom or law), hence "rules of the house(hold).
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In economics, capital or capital goods or real capital refers to already-produced durable goods available for use as a factor of production. Steam shovels (equipment) and office buildings (structures) are examples.
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Ecology (also known as Oekologie, Okology, or Oekology[1],from Greek: οίκος, oikos, "household"; and λόγος, logos
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Population dynamics is the study of marginal and long-term changes in the numbers, individual weights and age composition of individuals in one or several populations, and biological and environmental processes influencing those changes.
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Plantae Chromalveolata Heterokontophyta Haptophyta Cryptophyta Alveolata
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crude birth rate (CBR) of a population is the number of childbirths per 1,000 people per year. It can be mathematically represented by where n is the number of childbirths in that year, and p is the current population.
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Mortality rate is a measure of the number of deaths (in general, or due to a specific cause) in some population, scaled to the size of that population, per unit time. Mortality rate is typically expressed in units of deaths per 1000 individuals per year; thus, a mortality rate of
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- :For other uses see Steady state (disambiguation).
Steady state is a more general situation than Dynamic equilibrium. If a system is in steady state then the recently observed behaviour of the system will continue into the future.
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mechanical equilibrium is:
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- A system is in mechanical equilibrium when the sum of the forces, and torque, on each particle of the system is zero,
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Systems theory is an interdisciplinary field of science. It studies the nature of complex systems in nature, society, and science. More specificially, it is a framework by which one can analyze and/or describe any group of objects that work in concert to produce some result.
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