Exothermic reaction
An exothermic reaction is a "reaction for which the overall standard enthalpy change ΔH⚬ is negative." Exothermic reactions usually release heat and entail the replacement of weak bonds with stronger ones. The term is often confused with exergonic reaction, which IUPAC defines as "... a reaction for which the overall standard Gibbs energy change ΔG⚬ is negative." A strongly exothermic reaction will usually also be exergonic because ΔH⚬ makes a major contribution to ΔG⚬. Most of the spectacular chemical reactions that are demonstrated in classrooms are exothermic and exergonic. The opposite is an endothermic reaction, which usually takes up heat and is driven by an entropy increase in the system.
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Exothermic reaction
An exothermic reaction is a "reaction for which the overall standard enthalpy change ΔH⚬ is negative." Exothermic reactions usually release heat and entail the replacement of weak bonds with stronger ones. The term is often confused with exergonic reaction, which IUPAC defines as "... a reaction for which the overall standard Gibbs energy change ΔG⚬ is negative." A strongly exothermic reaction will usually also be exergonic because ΔH⚬ makes a major contribution to ΔG⚬. Most of the spectacular chemical reactions that are demonstrated in classrooms are exothermic and exergonic. The opposite is an endothermic reaction, which usually takes up heat and is driven by an entropy increase in the system.
has abstract
An exothermic reaction is a "r ...... ntropy increase in the system.
@en
Eine chemische Reaktion ist ex ...... ltung von beispielsweise Uran.
@de
Eksotermik ("pemanasan luar") ...... nas (bahasa Inggris: thermal).
@in
En exoterm reaktion, från grek ...... n exoterm reaktion att ΔH < 0.
@sv
En thermodynamique, une réacti ...... es liaisons dans les réactifs.
@fr
Erreakzio exotermiko bat, bero ...... akzio endotermikoa deitzen da.
@eu
Exotermní (exotermická) reakce ...... , aby reakce mohla proběhnout.
@cs
Reakcja egzotermiczna − reakcj ...... ej jest reakcja endotermiczna.
@pl
Se denomina reacción exotérmic ...... denomina reacción endotérmica.
@es
Uma reação exotérmica é uma re ...... tida inicialmente em seu meio.
@pt
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An exothermic reaction is a "r ...... ntropy increase in the system.
@en
Eine chemische Reaktion ist ex ...... men Reaktion ist also negativ.
@de
Eksotermik ("pemanasan luar") ...... rap energi dalam bentuk panas.
@in
En exoterm reaktion, från grek ...... n exoterm reaktion att ΔH < 0.
@sv
En thermodynamique, une réacti ...... es liaisons dans les réactifs.
@fr
Erreakzio exotermiko bat, bero ...... ren adibide bat errekuntza da.
@eu
Exotermní (exotermická) reakce ...... , aby reakce mohla proběhnout.
@cs
Reakcja egzotermiczna − reakcj ...... ej jest reakcja endotermiczna.
@pl
Se denomina reacción exotérmic ...... ido a sólido (solidificación).
@es
Uma reação exotérmica é uma re ...... tida inicialmente em seu meio.
@pt
label
Eksotermik
@in
Ekzoterma reakcio
@eo
Erreakzio exotermiko
@eu
Exoterm reaktion
@sv
Exotermní reakce
@cs
Exotherme Reaktion
@de
Exothermic reaction
@en
Reacció exotèrmica
@ca
Reacción exotérmica
@es
Reakcja egzotermiczna
@pl