The heats of adsorption are _ for physisorption and chemisorption
CHEMISTRY · Single correct
Problem
The heats of adsorption are _____ kJ mol−1 for physisorption and chemisorption, respectively:
(1) 20–40, 40–400
(2) 20–40, 80–100
(3) 60–80, 80–100
(4) 80–100, 20–40