5g of a catalyst adsorbs 400cm3 of N2 at stp to form a monolayer. What is the. Surface area per Gram if the area occupied by a molecule of N2 is 16A
Q: a) organism (e.g. fish, mussels) compared to the concentration in the ambient medium. b)…
A:
Q: A layer of 10.0 g of iodine is spread uniformly over a surface of area 10.0 cm2 and covered in…
A: In 24 hour, seconds = 86400 sec. x = 5cm or 0.05 m A = 10 cm2 or 0.001 m2 Iodine = 10gm,
Q: (a) Discuss the assumption of Langmuir adsorption isotherm. Obtain an expression for the amount of…
A: Langmuir proposed Adsorption isotherm which explains the variation of Adsorption with respect to…
Q: (c) State the assumptions and limitations of Langmuir's Adsorption equation for a gas on solid.
A:
Q: (b) The critical packing parameter for a surfactant is defined as: CPP aole where v is the…
A: Answer
Q: 0.1 g of a zeolite adsorbs 5.58 cm³ of N2 gas at a pressure of 5.56 mbar, and 22.22 cm3 of N2 gas at…
A: Introduction: The sorption of a gas or liquid on a solid surface is called adsorption…
Q: Relate Graham's Law of Effusion and Diffusion to the cell membrane's semi-permeability. Explain the…
A: According to Graham's law of Effusion or Diffusion the rate of diffusion of a gas is inversely…
Q: Surface adsorption is a common form of contamination during precipitation process, where a layer of…
A: There are two types of adsorption namely phsical adsorption( physisorption) and chemical…
Q: The diffusion coefficient of CCl4 in heptane at 25 °C is 3.17 × 10−9 m2 s−1. Estimate the time…
A: Diffusion coefficient tells about relation about molar flux and gradient in concentration of the…
Q: For the copolymerization of monomer (M1) with monomer (M2), the reactivity ratio's are r1 = 0.33, r2…
A: Combining the co-polymer equation or Mayo-Lewis equation in polymer chemistry with the equation for…
Q: The self-diffusion coefficient of radioactive ³H2O in ordinary water (M =18.0×10³ kg mol-' at 25°C…
A: The given parameters are: molar mass of water = 18.0××10-3 kg mol-1 diffusion coefficient =…
Q: If a gas A is adsorbed on a solid surface .12 and obeys Langmuir Isotherm model. The plotting of V/P…
A: The Langmuir equation and modification is provided in the picture, using which we can find the V0…
Q: The volume of O2(g) adsorbed on a surface of 1 g of a silica sample at 5°C is V1=1.4 cm3 at P1=95.1…
A: According to question,Given data,P1 = 95.1 torr,P2 = 760 torr,V1 = 1.4 cm3,V2 = 10.6 cm3
Q: A groundwater aquifer is contaminated with benzene. Contrast the relative effectiveness of air…
A: air stripping is an effective technology for removing solvents like benzene from groundwater , it…
Q: Sol of BaSO4 was prepared by mixing of Ba(NO3)2 and K2SO4 solutions. It was found the charge of the…
A: The electric double-layer mechanism consists of surface charge, stern layer, and diffuse layer with…
Q: What is the diffusion coefficient of a membrane-bound protein of molar mass 79,300 daltons at 37°C…
A: The exact solution is given below
Q: 2. Describe the importance of volcano curve in the surface catalysis with suitable examples
A: The answer to the following question is-
Q: A monolayer of N2 molecules is adsorbed on the surface of 1.00 g of an Fe/Al2O3 catalyst at 77 K,…
A: Avogadro's number is the number of species present in 1 mole of a substance. Avogadro's number is…
Q: 1. Determine the mass of sodium chloride required to prepare 400 ml of a Mueller-Hinton broth…
A:
Q: mm into t
A: Given data: Initial concentration of nitrogen = 0.066 % Concentration of nitrogen in the atmosphere…
Q: 1. The purification of hydrogen gas by diffusion through a palladium sheet was discussed in Section…
A: Introduction: The movement of a gas or liquid from high concentration to the low concentration is…
Q: Five grams of catalyst adsorb 400cm3 of nitrogen to form a monolayer. What is the surface area if…
A:
Q: The self-diffusion coefficient of radioactive ³H2O in ordinary water (M =18.0×10³ kg mol-') at 25°C…
A: Given that: molar mass of water = 18.0×10-3 kg mol-1 diffusion coefficient = 2.44×10-9 m2s-1…
Q: Chlorofluorocarbon are nonflammable chemicals mainly used in A portumes OR retrigerators C.…
A:
Q: If initial and equilibrium concentration of acetic acid before and after the adsorption is 1…
A: When the molecules of a substance are attracted and adhered to the surface of a solid, the…
Q: Coprecipitation due to surface adsorption can be minimized by the following except: reducing the…
A: Coprecipitation due to surface adsorption can be minimized by the following except, (1)reducing the…
Q: About the adsorption process and phenomenon, discuss the interactions between solid and adsorbent in…
A: Given in following question discuss the intrection between solid and absorbent in chemisorption and…
Q: The location of particle and its direction on.1 solid surface depend on I. The dual interaction…
A: The location of particle and its direction on solid surface depends upon the following factors:
Q: Why can a molecule such as CO easily be dissociated on a metal (Au/CeO2) surface but not in the gas…
A: Adsorption (chemisorption) on a metal surface
Q: Five grams of a catalyst adsorb 400 cm3 of N2 at STP to form a monolayer. What is the surface area…
A:
Q: The data below relate to the adsorption of N2 on rutile (TiO,) at 75K, reduced to standard…
A: For N2 at 75K, the vapour pressure P∘=570 torr, Where, P(torr) values and their volume are given, We…
Q: Calculate the initial sticking probability of oxygen, if O2 gas at 10-6 mbar is dissociatively…
A: The sticking probability (s) = paI where, Pa = adsorption rate I = Flux
Q: The viscosity of mercury at 20 °C is 1.554 cP and 1.450 cP at 40 °C. What is the energy of…
A: Given that Viscosity = 1.554 cP at temperature of 20oC (or 393.25K) Viscosity = 1.450 cP at…
Q: A solid surface with dimensions 2.5 mm × 3.0 mm is exposed to argon gas at 90 Pa and 500 K. How many…
A: Given- Dimensions = 2.5 mm × 3 mmGas = ArgonPressure, P = 90 PaTemperature, T = 500 KTime, t = 15 s…
Q: ) Does this data fit well to a Langmuir isotherm? If yes, determine vm and b.
A: Langmuir adsorption isotherm is used to explain the adsorption by any adsorbate assuming the…
Q: Why is adsorption phenomenon always exothermic?
A: Exothermic process are those where heat is released by the system.
Q: The activation energy for diffusion (Qa) is 80 kJ/mol for carbon diffusing into a-iron. If the Do…
A: Given: Activation energy of diffusion (Qd) = 80 kJ/mol = 80,000 J/mol Temperature, T1 = 800°C =…
Q: (a) Calculate the root mean square end-to-end distance and the radius of gyration for a molecule in…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Adsorption is a real problem in gravimetry, especially when the particle size is large.
A: Gravimetry is considered as a quantitative analytical method which is based on the measurement of a…
Q: Why are adsorbate particles attracted and retained on the surface ofadsorbent?
A: Adsorption is mainly a consequence of surface energy. Generally, the surface particles which can be…
Q: 5. Given an example from literature about the dissociative adsorption of a diatomic molecule of your…
A:
Q: has been used to adsorp NH3 gas. Predict what would happen to the NH3 adsorption efficiency if the:…
A: Adsorption process is the accumulation of adsorbate on the surface of adsorbent. Here, ammonia is…
Q: 7) The rate of flow of Na2SO4 solution is to be controlled in an ion-exchange experiment, justify?
A:
Q: What is the difference between effect of pH and Point of zero charge with regards to Adsorption
A: Adsorption is the adhesion of atoms, ions or molecules from a gas, liquid or dissolved solid to a…
Q: When plotted according to the linear form of the BET equation, data for the adsorption of N2 on…
A:
5g of a catalyst adsorbs 400cm3 of N2 at stp to form a monolayer. What is the. Surface area per Gram if the area occupied by a molecule of N2 is 16A
Step by step
Solved in 5 steps with 5 images
- A monolayer of CO molecules is adsorbed on the surface of 1.00 g of an Fe/AI2O3 catalyst at 77 K, the boiling point of liquid nitrogen. Upon warming, the carbon monoxide occupies 4.25 cm3 at O oC and 1.00 bar. What is the surface area of the catalyst?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.Five grams of a catalyst adsorb 400 cm3 of N2 at STP to form a monolayer. What is the surface area per gram if the area occupied by a molecule of N2 is 16 Å^2
- 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 0.4715Explain the relationship given by Freundlich in adsorption isotherm.The volume of O2(g) adsorbed on a surface of 1 g of a silica sample at 5°C is V1=1.4 cm3 at P1=95.1 torr and V2=10.6 cm3 at P2=760 torr. Identify the maximum volume of oxygen, Vm, that can be adsorbed. Consider the Langmuir isotherm model
- A layer of 10.0 g of iodine is spread uniformly over a surface of area 10.0 cm2 and covered in hexane. What will be the molar concentration of iodine molecules at 5.0 cm above the original layer after (i) 10 s, (ii) 24 h? Assume diffusion is the only transport process, take D = 4.05 × 10−9 m2 s−1, and assume that the layer of hexane in infinitely deep.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.A layer of 20.0 g of sucrose is spread uniformly over a surface of area 5.0 cm2 and covered in water. What will be the molar concentration of sucrose molecules at 10 cm above the original layer after (i) 10 s, (ii) 24 h? Assume diffusion is the only transport process, take D = 5.216 × 10−9 m2 s−1, and assume that the layer of water in infinitely deep.
- A 10.0 mL sample of CO2 is collected by the downward displacement of water at 23.0°C and a room pressure of 100.5 kPa. What is the volume of dry CO2 at 0.00°C and 90.0 kPa?A monolayer of N2 molecules is adsorbed on the surface of 1.00 g of an Fe/Al2O3 catalyst at 77 K, the boiling point of liquid nitrogen. Upon warming, the nitrogen occupies 3.86 cm3 at 0 °C and 760 Torr. What is the surface area of the catalyst? Use the value of the collision cross-section for N2 (from the Resource section) as an estimate for the area of a molecule.Early attempts to coat metals with Teflon, poly tetrafluoroethylene, resulted in a polymer layer that peeled off the surface easily. Later attempts gave coatings that were much more durable. What type of adsorption processes are being manifested in either situation? What technical problem had to be solved in order to develop durable coatings?
