Respuesta :
For the reaction:
[tex]Ni (s) + 2Ag^{+}[/tex] →[tex]Ni^{2+} + 2Ag[/tex]
n = 2
E°cell = 1.05
As we know, Gibb's energy ΔG° = -nFE°
ΔG° = - 2 × 96500 × 1.05
= - 202650
For the reaction:
[tex]Fe (s) + Cr^{3+}[/tex]→ [tex]Fe^{3+} + Cr[/tex]
n = 1
E°cell = 0.3
ΔG° = - 1 × 96500 × 0.3
= - 28950
What is Gibb's energy?
The Gibbs energy is the thermodynamic capability that is minimized whilst a system reaches chemical equilibrium at regular pressure and temperature whilst no longer pushed by an carried out electrolytic voltage. Its spinoff with admire to the response coordinate of the system then vanishes on the equilibrium point. As such, a discount in G is important for a response to be spontaneous below these conditions.
In thermodynamics, the Gibbs loose strength (or Gibbs energy is a thermodynamic capability that may be used to calculate the maximum amount of work that may be completed by using a thermodynamically closed system at regular temperature and strain. It additionally presents a necessary condition for processes which include chemical reactions that may occur below these situations.
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