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Question

Chemistry Question on Surface Chemistry

At the equilibrium position in the process of adsorption_________ .

A

ΔH>0\Delta H > 0

B

ΔH=TΔS\Delta H = T\Delta S

C

ΔH>TΔS\Delta H > T\Delta S

D

ΔH<TΔS\Delta H < T\Delta S

Answer

ΔH=TΔS\Delta H = T\Delta S

Explanation

Solution

At equilibrium, ΔG=0\Delta G = 0 ΔG=ΔH−TΔS\Delta G = \Delta H - T\Delta S ∴ΔH=TΔS\therefore\quad\Delta H = T\Delta S