during adsorption: AH is positive
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During adsorption, enthalpy and entropy of the system are negative but ΔG must be negative so that the process is spontaneous. ... When ΔG becomes zero, adsorption equilibrium is established. Since it is an exothermic process, ΔH is negative.
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During adsorption, enthalpy and entropy of the system are negative but ΔG must be negative so that the process is spontaneous. ... ... Since it is an exothermic process, ΔH is negative.
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