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jsotopalomino1016
28.06.2019 •
Chemistry
For a particular reaction, δh° is 34.2 kj and δs is 99.2 j/k. assuming these values change very little with temperature, over what temperature range is the reaction spontaneous in the forward direction?
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Ответ:
The calculation of temperature is done as follows:
T = ΔH°/ΔS°
= 34.2 kJ/mol / 99.2 × 10⁻³ kJ/molK
= 345 K
Since, ΔS° and ΔH° comes out to be positive for the given reaction. Hence, the given reaction is spontaneous at higher temperature and non spontaneous at lower temperature. Thus, it can be said that above 345 K, the given reaction will become spontaneous.
Ответ: