Adsorption of a gas on solid metal surface is spontaneous and exothermic then
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Answer:
Adsorption of a gas on solid metal surface is spontaneous and exothermic then ΔS decreases for gas
Explanation:
For spontaneous absorption ΔG is negative as well as the degree of randomness of gas molecules
decreases thereby ΔS also negative. That’s why T.ΔS is –ve
∴ ΔH = ΔG + T.ΔS
Thereby ΔH is –ve
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