Brunauer -Emmett -Teller (BET) aims to explain the physicaladsorption of gas molecules on a solid surface and serves the basis for7 of 12measurement of surface area of materials.The data for the adsorption of N2 on TiO2 are reported below.At 75 K, p*=76.0kPap*/kPa0.1601.87 6.11 11.67 17.02 21.92 27.29V/mm6017208229351046 1146 1254The equation used to plot (see the attached figure) which confirm (BETisotherm)(C-1)Z(1-Z)V CVmonCVmon10*z(1-Z)V/mm3X axis = 10'ZY axis=where Z=P/p*Use above information and do the followings:a) Fill in the blanks'Y axisX axisb) From the graph given below, use slope and y-int to find "C" and Vmon b) From the graph given below, use slope and y-int to find "C" and Vmemon0.00Fit 1: Linear, Y=B°X+AEquation:Y = 0.0012257*X+ 3.98142E-006Number of data points used =7Average X 0.16173Average Y = 0.000202214Regression sum of squares = 1.64799E-007Residual sum of squares = 5.85896E-011Coef of determination, R-squared 0.999645Residual mean square, sigma-hat-sq'd = 1.17179E-0110.000.000.000.000.000.000.100.200.300.40c)At 1.00 atm and 273 K, use Vmon to calculate the surface area of TiO2(each atom occupies an area of about 0.16nm²)

12 Brunauer -Emmett -Teller (BET) aims to explain the physical adsorption of gas molecules on a solid surface and serves the basis for s on measurement of surface area of materials. The data for the adsorption of N2 on TiO2 are reported below. At 75 K, p*=76.0kPa p*/kPa 0.160 1.87 6.11 11.67 17.02 21.92 27.29 V/mm 601 720 822 935 1046 1146 1254 The equation used to plot (see the attached figure) which confirm (BET isotherm) (C-1)Z z_- 1 (1-Z)V CVmon CVmon 10*z Y axis= X axis = 10'Z (1-Z)V/mm³ where Z=P/p* Use above information and do the followings: a) Fill in the blanks' Y axis Хаxis b) From the graph given below, use slope and y-int to find "C" and Vmon

12 Brunauer -Emmett -Teller (BET) aims to explain the physical adsorption of gas molecules on a solid surface and serves the basis for s on measurement of surface area of materials. The data for the adsorption of N2 on TiO2 are reported below. At 75 K, p=76.0kPa p/kPa 0.160 1.87 6.11 11.67 17.02 21.92 27.29 V/mm 601 720 822 935 1046 1146 1254 The equation used to plot (see the attached figure) which confirm (BET isotherm) (C-1)Z z_- 1 (1-Z)V CVmon CVmon 10z Y axis= X axis = 10'Z (1-Z)V/mm³ where Z=P/p Use above information and do the followings: a) Fill in the blanks' Y axis Хаxis b) From the graph given below, use slope and y-int to find "C" and Vmon

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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In the fluorination reaction of butadiene, the butadiene is adsorbed onto a catalyst C.To test the efficiency of the adsorption, the adsorption isotherm was determined.The volume of butadiene per gram of C varied as follows at constant temperature:p( kPa)- 13.3; 26.7 ; 40.0 ; 53.3 ; 66.7 ; 80.0V(cm3)-17.9 ; 33.0 ; 47.0 ; 60.8 ;75.3 ; 91.3At the temperature used, p* for butadiene is 200 kPa. Find a suitable isotherm for the data and determine Vmon. please assist.
Nitrogen gas adsorbed on charcoal to the extent of 0.921 cm3 g−1 at 490 kPa and 190 K, but at 250 K the same amount of adsorption was achieved only when the pressure was increased to 3.2 MPa. What is the enthalpy of adsorption of nitrogen on charcoal? Hint: See the hint for Exercise E19B.5(a).
A solid in contact with a gas at 12 kPa and 25 °C adsorbs 2.5 mg of the gas and obeys the Langmuir isotherm. The enthalpy change when 1.00 mmol of the adsorbed gas molecules is desorbed is +10.2 J. What is the equilibrium pressure for the adsorption of 2.5 mg of gas at 40°C? Hint: The data are isosteric; use a similar approach to that in Example 19B.2.
Benzene on graphite follows the Langmuir isotherm. At a pressure of 1 atm, theThe volume of benzene adsorbed on a sample of graphite was 4.2 mm3 atconditions T = 0°C and 1 atm. At 3 atm it was 8.5 mm3. Suppose 1 molecule ofbenzene occupies 30Å and estimate the surface area of graphite.
b-Endosulfan is an organic insecticide commonly used on vegetables andornamental flowers. A carbon adsorption test was performed to evaluate adsorption of bEndosulfan to activated carbon. The data from the test are listed in the table below. The initial b-Endosulfan concentration for the test was 0.082 mg/L. The flask volume was 250 mL (0.25 L). a. Calculate the Langmuir constants. b. What qe (mass adsorbed/mass of carbon) would be required to attain a contaminant concentration of 0.02 mg/L?
kindly help me with this problem thank you 2. The following data are for Xenon adsorption on ZSM5 zeolite. Evaluate the constants from thea) Langmuir and b) Freundlich. Which of the isotherm fit the data best? Explain. P(Torr) 47 136 250 364 473 577 680 mass(g) of ZSM5 zeolite/mole of Xenon 1.8832 0.8977 0.6588 0.5692 0.5255 0.4946 0.4715
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The following data were obtained on the initial rates of reaction of a d-metal complex in aqueous solution. For the experiments a. [Y] = 2.7 mmol/dm3, and for experiments b. [Y] = 6.1 mmol/dm3 Conc. complex/(mmol dm-3) 8.01 9.22 12.11 Exp. a. v/ (mol dm-3 s-1) 125 144 190 Exp. b. v/ (mol dm-3 s-1) 640 730 960 b) use the data above to calculate the rate constant. k = ________ (mol/L/s, s-1, L/mol/s, or L2/mol2/s). 3 s.f. normal format.
Confirm that the following CO adsorption data on activated carbon at 273 Kfollow the Langmuir or Freundlich isotherm and determine the volumecorresponding to the complete coverage of the surface.
kindly help me with this problem Thank you! 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?
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I Need —> 1. Try fitting these data using Langmuir Isotherm and obtain K and monolayer of ORA molecules per one gram 2. Try fitting these data using Freundlich Isotherm and obtain its constants 3. Which isotherm describe best the adsorption of ORA on activated carbon and why? 4. If a monolayer of Na molecules is 0.03075 mole per one gram of activated carbon, and the surface area on one N2 molecules is 0.162 nm?. determine: a. surface area per one gram of activated carbon b. surface area of one ORA molecule