Wëssenschaft am Alldag
Why do some reactions get hot?
Combustion releases energy to the surroundings; at constant pressure this is described by a negative enthalpy change.
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Déi kuerz Äntwert
Combustion releases energy to the surroundings; at constant pressure this is described by a negative enthalpy change.
Wat geschitt wierklech?
Wëssenschaft bleift am Kapp, wann eng Definitioun mat eppes Moossbarem oder Beobachtbarem verbonne gëtt.
At constant temperature and pressure, ΔG combines enthalpy and entropy to indicate thermodynamic spontaneity.
Wëssenschaft bleift am Kapp, wann eng Definitioun mat eppes Moossbarem oder Beobachtbarem verbonne gëtt.
E nëtzlecht Gedankebild
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Chemical reactions rearrange bonds and redistribute energy. If the reacting system transfers energy to its surroundings as heat at constant pressure, its enthalpy change is negative.