Наука в ежедневието
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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Краткият отговор
Combustion releases energy to the surroundings; at constant pressure this is described by a negative enthalpy change.
Какво всъщност се случва?
Науката се запомня, когато определението се свърже с нещо измеримо или наблюдаемо.
At constant temperature and pressure, ΔG combines enthalpy and entropy to indicate thermodynamic spontaneity.
Науката се запомня, когато определението се свърже с нещо измеримо или наблюдаемо.
Полезна мисловна картина
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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.