a) Find the constants k and n of the Freundlich equation. b) Find the constants a and b in the Langmuir equation. c) Find the constants k and n in the Temkin isotherm. d) Which of the isotherm fit the data best?

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Subject: Physical Chemistry

Instructions: solve as neatly as possible and show complete

solution.No rounding-off for your decimals (include all decimals in your calculator in your computation).

The following data were obtained for the adsorption of acetone on charcoal from an

aqueous solution at 180C.

Y (millimoles/g) C (millimoles/liter)
0.208 2.34
0.618 14.65
1.075 41.03
1.5 88.62
2.08 177.69
2.88 268.97

a) Find the constants k and n of the Freundlich equation.

b) Find the constants a and b in the Langmuir equation.

c) Find the constants k and n in the Temkin isotherm.

d) Which of the isotherm fit the data best?

 

 

Note: Summarize your final answer in a table form:
Isotherm
Constants
Freundlich
k
r
Langmuir
A
В
r
Temkin
k
Transcribed Image Text:Note: Summarize your final answer in a table form: Isotherm Constants Freundlich k r Langmuir A В r Temkin k
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