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Gibb's Helmholtz equation

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By Expert Faculty of Sri Chaitanya
Question

For a particular process when ΔH=60kJ/mole and ΔS=200JKmole1 then the process is non-spontaneous at

Moderate
Solution

At equilibrium, ΔG=0

ΔHTΔS=0

ΔH=TΔS

Teq=60×103200 =300 K

ΔG=+veT+ve

Process is spontaneous when ‘T’ is greater than Teq (300K)

Process is non-spontaneous when ‘T’ is lesser than Teq (300K)


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