Q1: The data below are for the chemisorption of hydrogen on copper powder at 25°C. Confirm that they fit the Langmuir isotherm at low coverage, Then find the value of K for the adsorption equilibrium and the adsorption volume corresponding to complete coverage
p/Pa 25 129 253 540 1000 1593
V/cm3 0.042 0.163 0.221 0.321 0.411 0.471
Q6: The adsorption of the hexacyanoferrate(III) ion, [Fe(CN)6]3- on γ-Al2O3 from aqueous solution. They modelled the adsorption with a modified Langmuir isotherm, obtaining the following values of K at pH =6.5:
T/K 283 298 308 318
10-1 K 2.642 1.778 1.286 1.085
Determine the isosteric enthalpy of adsorption,