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Describe thermodynamical changes when a gas is adsorbed on a solid? |
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Answer» In fact in this condition nature of adsorption is exothermic and ΔH is negative. It means at any given temperature ΔH and TΔS is both negative but value of ΔH is oftenly more than TΔS. Change in free energy (ΔG) is also negative. ΔG = ΔT - TΔS (ΔH > S) (-ve)(-ve)(-ve) |
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