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- Spontaneous_process abstract "A spontaneous process is the time-evolution of a system in which it releases free energy (usually as heat) and moves to a lower, more thermodynamically stable energy state. The sign convention of changes in free energy follows the general convention for thermodynamic measurements, in which a release of free energy from the system corresponds to a negative change in free energy, but a positive change for the surroundings.Depending on the nature of the process, the free energy is determined differently. For example, the Gibbs free energy is used when considering processes that occur under constant pressure and temperature conditions whereas the Helmholtz free energy is used when considering processes that occur under constant volume and temperature conditions.A spontaneous process is capable of proceeding in a given direction, as written or described, without needing to be driven by an outside source of energy. The term is used to refer to macro processes in which entropy increases; such as a smell diffusing in a room, ice melting in lukewarm water, salt dissolving in water, and iron rusting.The laws of thermodynamics govern the direction of a spontaneous process, ensuring that if a sufficiently large number of individual interactions (like atoms colliding) are involved then the direction will always be in the direction of increased entropy (since entropy increase is a statistical phenomenon).".
- Spontaneous_process wikiPageID "312152".
- Spontaneous_process wikiPageRevisionID "606321262".
- Spontaneous_process hasPhotoCollection Spontaneous_process.
- Spontaneous_process subject Category:Chemical_processes.
- Spontaneous_process subject Category:Chemical_thermodynamics.
- Spontaneous_process subject Category:Thermodynamics.
- Spontaneous_process type ChemicalProcess113446390.
- Spontaneous_process type ChemicalProcesses.
- Spontaneous_process type NaturalProcess113518963.
- Spontaneous_process type PhysicalEntity100001930.
- Spontaneous_process type Process100029677.
- Spontaneous_process comment "A spontaneous process is the time-evolution of a system in which it releases free energy (usually as heat) and moves to a lower, more thermodynamically stable energy state.".
- Spontaneous_process label "Proceso espontáneo".
- Spontaneous_process label "Processo spontaneo".
- Spontaneous_process label "Processus spontané".
- Spontaneous_process label "Spontaneous process".
- Spontaneous_process sameAs Proceso_espontáneo.
- Spontaneous_process sameAs Processus_spontané.
- Spontaneous_process sameAs Processo_spontaneo.
- Spontaneous_process sameAs m.01tb2j.
- Spontaneous_process sameAs Q2254570.
- Spontaneous_process sameAs Q2254570.
- Spontaneous_process sameAs Spontaneous_process.
- Spontaneous_process wasDerivedFrom Spontaneous_process?oldid=606321262.
- Spontaneous_process isPrimaryTopicOf Spontaneous_process.