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Grade 12Thermal Physics

Why is gibbs free energy always zero at equilibrium?

Profile image of prajwal
10 Years agoGrade 12
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1 Answer

Profile image of Bhavya
10 Years ago
Dear student
Gibb’s free energy is zero at equilibrium.This fact can be understood through this simple formula
\DeltaG = -2.303*R*T*logKeq
where Keq = 1 at equlibrium since rate of forward reaction = rate of backward reaction
Since, we know log 1=0 thus\DeltaG comes out to be zero.

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