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  • 10-05-2018
  • Chemistry
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What kind of reaction occurs when the entropy change of an endothermic reaction is negative?

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Dejanras
Dejanras Dejanras
  • 19-05-2018
Answer is: reaction is nonspontaneous under standard conditions at all temperatures.

Gibbs free energy (G) determines if reaction will proceed spontaneously.
ΔG = ΔH - T·ΔS.
ΔG - changes in Gibbs free energy.
ΔH - changes in enthalpy.
ΔS - changes in entropy.
T is temperature in Kelvins.
When ΔS < 0 (negative entropy change) and ΔH > 0 (endothermic reaction), the process is never spontaneous (ΔG> 0).


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