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...

Spontaneous symmetry breaking is a spontaneous process of symmetry breaking, by which a physical system in a symmetric state spontaneously ends up in an...

endothermic, otherwise non-spontaneous process. The chemical energy stored can be freed by the inverse (spontaneous) process: combustion of sugar, which...

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...

combustion Spontaneous Music Ensemble Spontaneous order Spontaneous process Spontaneous remission Spontaneous symmetry breaking Spontaneous (album) by...

inciting particle to trigger the decay; it is a purely probabilistic process. Spontaneous fission is a dominant decay mode for superheavy elements, with nuclear...

Spontaneous is a 2020 American coming-of-age black comedy horror film, written, produced and directed by Brian Duffield, in his directorial debut. It...

Spontaneous human combustion (SHC) is the pseudoscientific concept of the spontaneous combustion of a living (or recently deceased) human body without...

"self-organization" is more often used for physical changes and biological processes, while "spontaneous order" is typically used to describe the emergence of various...

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...

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...

Spontaneous generation is a superseded scientific theory that held that living creatures could arise from non-living matter and that such processes were...

free expansion) Adiabatic process Cyclic process Isobaric process Isochoric process Polytropic process Spontaneous process Keenan, J. H. (1970). "Chapter...

internal stresses is a thermodynamically spontaneous process; however, at room temperatures, it is a very slow process. The high temperatures at which annealing...

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...

mathematical methods to the study of chemical questions and the spontaneity of processes. The structure of chemical thermodynamics is based on the first...

which are useful for determining conditions for equilibrium and spontaneous processes. The study of the behaviours of electrons, electric media, magnets...

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...

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...

Amplified spontaneous emission (ASE) or superluminescence is light, produced by spontaneous emission, that has been optically amplified by the process of stimulated...

Francis Crick to the evolutionary biologist Leslie Orgel. "Whenever a spontaneous process is too slow or too inefficient a protein will evolve to speed it...

indicates a thermodynamically favorable (spontaneous) process, while a positive ΔG denotes a non-spontaneous one. When both ΔH and ΔS are positive (endothermic...

is often of particular interest. Spontaneous recovery is associated with classical conditioning, a learning process in which an organism learns to associate...

is the spontaneous process of one unstable subatomic particle transforming into multiple other particles. The particles created in this process (the final...

Spontaneous combustion or spontaneous ignition is a type of combustion which occurs by self-heating (increase in temperature due to exothermic internal...

(S=O=A) (b) 'spontaneous process/event' (S=O) (c) 'less agentive activity' (S=A) (5) Middle-only verbs (a) 'bodily action' (b) 'spontaneous process/event' (c)...

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...

primary spontaneous pneumothorax is one that occurs without an apparent cause and in the absence of significant lung disease. A secondary spontaneous pneumothorax...

between development and teaching. He said that development is a spontaneous process that is initiated and completed by the children, stemming from their...

hydrolysis. The breakdown of the proteins of a decomposing body is a spontaneous process. Protein hydrolysis is accelerated as the anaerobic bacteria of the...