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- kindly answer this problem and follow this format GIVEN REQUIRED SOLUTION and write regibly thank you so much For the adsorption of a substance A from aqueous solution by charcoal at25oC the freundlich constants are n=3.0 and k=0.50 for y in grams per gramand C in grams per liter. What weight of a W is adsorbed by 2 g of charcoalfrom 1 L of a solution containing originally 2 g of the substance?At 0°C and 1 bar, a monolayer of CO adsorbed on 1 g of Fe/Al2O3 catalyst occupies a volume of 4.25 cm3. What is the area of the catalyst? The area per adsorbed particle is 0.165 nm2. Give your answer in m2.Calculate the retardation factor (Rf) for dissolved Tetrachloroethene contamination given the bulk density of soil is 2.4 gm/cc, fraction organic content (foc) of soil is 0.005, and the Organic Carbon Partition Coefficient (Koc) is the number you look up in the table. HInt: Use Fetter Equation (Koc = Kd /foc to calculate Kd. Group of answer choices 1.4 to 2.7 l/gm 1.08 to 1.2 Cannot be calculated from given information. 3.25 to 4.5 1.05 to 1.2 l/gm
- Calculate the amount of phycocyanin in Sample 1 in mg where A620=0.211 and A650=0.086, taking into account the dilution factor as per question 6 (100ul), and the total volume of extract as per question 4 (140ml) . Note your answer to 2 decimal placesCalculate the amount of phycocyanin in Sample 1 in mg where A620 = 0.193 and A650 = 0.095, taking into account the dilution factor of 100 ul, and the total volume of extract 45ml. Note your answer to 2 decimal places.When plotted according to the linear form of the BET equation, data for the adsorption of N2 on Graphon at 77 K give an intercept of 0.005 and a slope of 1.5 (both in cm3 STP per gram). Calculate Asp assuming a molecular area of 16 (angstrom)2 for N2. Calculate also the heat of adsorption for the first layer (the heat of condensation for N2 is 1.3 kcal/mol). Would your answer for Vm be much different if the intercept were taken to be zero (and the slope the same)? Comment briefly on the practical significance of your calculation.
- In this table the Kr volume adsorbed on an active carbon surface are given, as a function of the pressures, at 193.5 K. a) Does this data fit well to a Langmuir isotherm? If yes, determine vm and b.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.Scanning electrochemical microscopy was used to study the lifetime of guanosine radical, which was generated by one-electron oxidation of guanosine. In the experiments, guanosine was oxidized at an SECM tip ultramicroelectrode and the cation radical was reduced at a conductive substrate. At the tip–substrate distance of 0.3 µm, the tip current was –1.1*10–9 A and the substrate current was 1.1*10–11 A. Calculate the percentage of tip-generated guanosine radical molecules that were detected at the substrate.
- The adsorption equilibrium isotherm for aqueous phenol solution and activated carbon can be determined from the following data: c kg phenol/m3 solution q kg phenol/kg carbon 0.3220 0.150 0.1170 0.122 0.0390 0.094 0.0061 0.059 0.0011 0.045 Determine the appropriate isotherm for this experimental runElaborat ur answer pls thank uAli has measured the oxidative stability of palm oil sample under accelerated storage condition at 60*C for 6 days The following data were recorded for the peroxide value and p anisidine value of the palm oil after 5 days of storage time: Sample weight 1.0030 g Concentration of NazSzO3 = 0.001 N Volume of NazSzO3 titrated for sample solution = 1.35 ml Volume of NazSzO3 titrated for blank solution 0.20 ml Absorbance for sample solution = 0.907 Absorbance for blank solution 0.203 Calculate: i) peroxide value ii) p-anisidine value iii) TOTOX value
