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...

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

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...

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

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

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

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Spontaneous generation is a superseded scientific theory that held that living creatures could arise from nonliving matter and that such processes were...

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

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...