In thermodynamics, a spontaneous process is a process which occurs without any external input to the system. A more technical definition is the time-evolution...
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combustion Spontaneous Music Ensemble Spontaneous order Spontaneous process Spontaneous remission Spontaneous symmetry breaking Spontaneous (album) by...
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endothermic, otherwise non-spontaneous process. The chemical energy stored can be freed by the inverse (spontaneous) process: combustion of sugar, which...
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is a spontaneous process at a certain temperature, the products have a lower Gibbs free energy G = H – TS than the reactants (an exergonic process), even...
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Spontaneous symmetry breaking is a spontaneous process of symmetry breaking, by which a physical system in a symmetric state spontaneously ends up in an...
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A polytropic process is a thermodynamic process that obeys the relation: p V n = C {\displaystyle pV^{n}=C} where p is the pressure, V is volume, n is...
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Spontaneous generation is a superseded scientific theory that held that living creatures could arise from nonliving matter and that such processes were...
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free expansion) Adiabatic process Cyclic process Isobaric process Isochoric process Polytropic process Spontaneous process Keenan, J. H. (1970). "Chapter...
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Spontaneous emission is the process in which a quantum mechanical system (such as a molecule, an atom or a subatomic particle) transits from an excited...
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Spontaneous human combustion (SHC) is the pseudoscientific concept of the spontaneous combustion of a living (or recently deceased) human body without...
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Spontaneous combustion or spontaneous ignition is a type of combustion which occurs by self-heating (increase in temperature due to exothermic internal...
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thermodynamics and provides necessary criteria for spontaneous processes. For example, the first law allows the process of a cup falling off a table and breaking...
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which are useful for determining conditions for equilibrium and spontaneous processes. The study of the behaviours of electrons, electric media, magnets...
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value of the change in free energy is a necessary condition for a process to be spontaneous; this is the most useful form of the second law of thermodynamics...
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inciting particle to trigger the decay; it is a purely probabilistic process. Spontaneous fission is a dominant decay mode for superheavy elements, with nuclear...
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is the spontaneous process of one unstable subatomic particle transforming into multiple other particles. The particles created in this process (the final...
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"self-organization" is more often used for physical changes and biological processes, while "spontaneous order" is typically used to describe the emergence of various...
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mathematical methods to the study of chemical questions and the spontaneity of processes. The structure of chemical thermodynamics is based on the first...
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Putrefaction (category Alchemical processes)
hydrolysis. The breakdown of the proteins of a decomposing body is a spontaneous process. Protein hydrolysis is accelerated as the anaerobic bacteria of the...
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Annealing (materials science) (redirect from Process annealing)
internal stresses is a thermodynamically spontaneous process; however, at room temperatures, it is a very slow process. The high temperatures at which annealing...
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in youth and community organizations. This type of education is a spontaneous process, which helps people to learn information in a new way. It helps to...
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Spontaneous is a 2020 American coming-of-age romantic black comedy horror film, written, produced and directed by Brian Duffield, in his directorial debut...
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between development and teaching. He said that development is a spontaneous process that is initiated and completed by the children, stemming from their...
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when the spins of unpaired electrons are aligned with each other, a spontaneous process known as an exchange interaction. When the magnetic moments of ferromagnetic...
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Chronic spontaneous urticaria (CSU) also known as Chronic idiopathic urticaria (CIU) is defined by the presence of wheals, angioedema, or both for more...
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electromagnetic energy, and is therefore called thermal radiation. It is a spontaneous process of radiative distribution of entropy. Conversely, all normal matter...
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Group dynamics (redirect from Group process)
to influence behaviour. Emergent groups arise from a relatively spontaneous process of group formation. For example, in response to a natural disaster...
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metallurgy industries. The emf for this process is approximately −4 V indicating a (very) non-spontaneous process. In order for this reaction to occur the...
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human memories is often of particular interest. Spontaneous recovery is associated with the learning process called classical conditioning, in which an organism...
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