heat of adsorption is grater for chemical adsorption than phyiscal adsorption why
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Chemisorption has higher heat of adsorption, because in chemisorption the chemical bonds are much stronger. In adsorbed state the adsorbate is hold on the surface of adsorbent by attractive forces (bond). And chemisorption is irreversible one. Therefore, heat of adsorption is greater for chemisorptions than physisorption.
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