Question

9.1 Pressure Torr 30.0 37.1 45.2 54.0 63.5 73.9 The following data was collected for variations in pressure required (with temperature) for an adsorption volume of 10.0 cm3 of CO on charcoal to be obtained. Temperature 200 210 220 230 240 250 Determine the isosteric heat of adsorption.

Answer 1

dA 30 HI 020

In(P/30) (1/T)-(1/200) 30 200 210 220 230 240 250 37.1 0.21242 -0.00024 45.2 0.4099 -0.00045 54 0.587787 -0.00065 63.5 0.749843 -0.00083 73.9 0.901515 0.001 y -900.7x 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.00120.0010.0008 0.0006 0.0004 -0.0002 -0.1 0.0002 1/T-1/200