Difference Between Physical and Chemical Adsorption
Physical and Chemical Adsorption: Property Physical Adsorption or Physisorption Chemical Adsorption or Chemisorption Nature of Forces Weak Van der Waal’s forces are present. Strong chemical forces are present. Heat of Adsorption The heats of adsorption are low viz. about 20-40 kJ mol−1. The heats of adsorption are high viz. about 40-400 kJ mol−1. Effect of Temperature …