Answered: The enthalpy of adsorption of NH3 on Cu…

The enthalpy of adsorption of NH3 on Cu metal is found to be -200kJ/mole. The lifetime of NH3 molecule on Cu metal surface at 600K is? 200 s 2583 s 3.87x10^-32 s 40x10^-14 s

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter13: Electrochemistry

Section: Chapter Questions

Problem 13.90PAE: A chemical engineering student is studying the effect of pH on the corrosion of iron. Ellie...

See similar textbooks

Related questions

Q: The following data were obtained for the adsorption of acetone on charcoal from an aqueous solution…

Q: Why does the intensity of the blue solution color lessen as the reaction proceeds?

A: Electromagnetic spectrum involves different radiations from the lowest to the highest frequency…

Q: For the adsorption of a substance A from aqueous solution by charcoal at 25C, the Freundlich…

Q: 10. If x is amount of adsorbate and m is amount of adsorbent, which of the following relations is…

A: Adsorption is the deposition of atoms on surface of a material.

Q: A solid in contact with a gas at 8.86 kPa and 25 °C adsorbs 4.67 mg of the gas and obeys the…

A: Given information: Enthalpy change (ΔHads) = +12.2 kJ/mol Initial temperature (T1) = 25.0 °C Final…

Q: what are the three main types of mass transfer, in electrochemistry? Give an example of…

Q: Adsorption of hydrogen chloride on a copper powder sample at 25°C and at various pressures resulted…

A: As per Langmuir isotherm, pn=pn∞+1Kn∞ ----(1)

Q: In the adsorption of N2 at 90.1 K on a certain solid, the following volumes of gas, reduced to…

A: a) The BET equation is given by, where p and p0 are the equilibrium and the saturation pressure of…

Q: n gravimetric analysis unwanted material gets precipitated along with the required product.…

A: Gravimetric analysis is a method used for quantitative analysis of chemical species.

Q: adsorption

A: Qmax is basically the maximum adsorption capacity considered of a particular material. It even tells…

Q: (a) The physisorption of coronene on Au(111) surface at certain partial pressure of coronene is…

A: Solution of the question is given below:

Q: Q14. A plot of a Langmuir adsorption isotherm (C/q. vs 1/Q.) for an adsorption process, gives a…

A: To calculate the value of Qo , we would first use the linear form equation of Langmuir adsorption…

Q: 1) The data below show the pressures of CO needed for the volume of adsorption (corrected to 1.00…

A: To calculate the value of adsorption enthalpy , we would use the given formula and plug data values…

Q: An adsorption is: Select one: a. not spontaneous process b. endothermic process O c. dynamic process…

A: Given, An adsorption is ? Options are : a). not spontaneous process b). endothermic process c).…

Q: The following data were obtained for the adsorption of a certain material (ORA) on activated carbon…

Q: The activity of Zn2+ in a saturated solution with Zn(OH)2 with 0.00500 M KNO3 (Ksp = 1.20 X10-17, y…

A: Given: Ksp of Zn(OH)2 = 1.20 X 10-17 γ of Zn2+ = 0.748 And γ of OH- = 0.926

Q: n energy required to form one interatomic atom, (one void) of copper is approximately (4ev),…

A: The vacancies is given as, Nv =Ne-QvkTHere,N=NAρcuAcu

Q: Q17. Adsorption isotherms are models constructed at constant: A) concentration B) dose of adsorbent…

A: Question 17 as specified.

Q: Use the data below to determine the Michaelis-Menton constant [in mM] of a certain enzyme-catalyzed…

A: Given that, v1 = 0.152 mM/s at [S1] = 0.334 mM, And v2 = 0.176 mM/s at [S2] = 0.450 mM. We have to…

Q: what do you mean by (a) chemisorption (b) persorption (c) desorption .

A: (a)Chemisorption:It is a kind of adsorption process, which involves a chemical reaction between the…

Q: 4. The following data refers to the adsorption of dinitrogen (N2) on a sample of carbon black at…

A: To determine the surface area in square meters.

Q: The adsorption of a gas is described by the Langmuirisotherm with a= 1.85 kPa-1 at 25 oC. Calculate…

A: Given: a=1.85 k Pa-1 To find: pressure of the gas

Q: 2. Initial concentration of SAS solution equals to 0.44 mol/dm³. After adsorption of SAS from 60 cm³…

A: A question based on adsorption that is to be accomplished.

Q: 2. The following data are for Xenon adsorption on ZSM5 zeolite. Evaluate the constants from the a)…

A: To Evaluate the constants from a) Langmuir Isotherm b) Freundlich Isotherm

Q: The preexponential and activation energy for the diffusion of iron in cobalt are 1.1 x 10-5 m?/s and…

A: 1.

Q: The activity of Zn2+ in a saturated solution with Zn(OH), with 0.0100 M KNO3 (Ksp = 1.20 X10-17, y…

A: Given: Ksp of Zn(OH)2 = 1.20 X 10-17 γ of Zn2+ = 0.676 And γ of OH- = 0.900

Q: Calculate the sclubility df CusCN in oiM Ng S,Q> = 2:3 x 167

A: Given: Concentration of Na2S2O3 = 0.1 M

Q: 17. It is known that the adsorption of carbon monoxide is molecular adsorption on the surface of…

A: Adsorption is a physical process in which one substance get attached physically on the surface of…

Q: Using Freundlich adsorption isotherm calculate the extent of adsorption of a dye on activated carbon…

A: Extent if absorption would be calculated as follows

Q: Rate Constant Temperature 3.12 x 103 M-1s-1 275 K 2.70 x 104 M-1s-1 300 K

Q: Based on the given graph calculate the extent of adsorption at 5 atm. The intercept is 0.702.…

A: Given,Pressure = 5 atmIntercept = 0.702 Mass of adsorbent = 1 unitRequired,…

Q: The mass of a compound A that is adsorbed onto a surface is related to its concentration at…

Q: Calculate the concentration of vacancies in in fcc silver at 250 oC given that the activation energy…

A: Given: Silver (fcc lattice)Temperature = 250 °C = 523 KActivation energy for vacancy creation, Qv =…

Q: Giving appropriate examples, explain how the two types of processes of adsorption (physisorption and…

A: On increasing temperature, the rate of physisorption decreases. For example: The adsorption of gases…

Q: If the activation energy for self-diffusion in copper is 2.04 eV/atom and the activation energy for…

A: The energy of activation is basically the bit of energy needed to cross or overcome the barrier…

Q: (Q3) (a) Derive the Langmuir adsorption isotherm in terms of pressure of a diatomic molecule for the…

A: We have a diatomic molecule A2 (like H2) that is getting adsorbed on a surface according to the…

Q: The following data were obtained for the adsorption of a certain material (ORA) on activated carbon…

Q: (d) Iron (II) ions act as an homogeneous catalyst for the oxidation of iodide ions (1) by…

Q: Generally high temperature is favourable for chemisorption.’ Why?

A: Given: Generally high temperature is favourable for chemisorption.

Q: 3.1 Briefly describe why (and how) adsorption takes place on a solid surface. 3.2 Use your knowledge…

Q: For the reduction 2FeCl3 + SnCl2 =====→ 2 FeCl2 + SnCl4 in aqueous solution the following data were…

A: Plotting the data on Excel to get the graph:-

Q: I Need —> 1. Try fitting these data using Langmuir Isotherm and obtain K and monolayer of ORA…

Question

100%

The enthalpy of adsorption of NH3 on Cu metal is found to be -200kJ/mole. The lifetime of NH3 molecule on Cu metal surface at 600K is?

200 s

2583 s

3.87x10^-32 s

40x10^-14 s

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

The adsorption of a certain substance, X, follows a Langmuir isotherm. Saturation coverage of the materials is 8 × 10-¹0 mol/cm² and 3 = 5 × 107 cm³/mol (assuming a₁ = C₁). At what concentration of X will the electrode surface be half covered (i.e., = 0.5)? Sketch the adsorption isotherm of the substance.
What is an adsorption isotherm? Describe Freundlich adsorption isotherm.
7.5 micromoles ( u mol) of carbon dioxide are adsorbed onto a 1.0 gram sample of activated carbon. How many milligrams of CO2 were adsorbed?
2. The following table gives the values of the preferential adsorption (Qe) and respective equilibrium concentrations of the bulk solution (Ce) obtained during the measurement of adsorption of acetic acid from an aqueous solution on the charcoal: Ce (mol/L) Qe (mol/g-charcoal) 4.660 x 104 0.0181 0.8827 2.479 x 103 If you know that water is not adsorbed on the charcoal and that adsorption can be described by the Freundlich isotherm, calculate (a) both constants of Freundlich equation (b) mole amount of the acetic acid removed from 400 cm³ of solution by adsorption on 50 g ofcharcoal, if the concentration of equilibrium bulk solution was found to be 0.3 mol dm-³.
2. Initial concentration of SAS solution equals to 0.44 mol/dm³. After adsorption of SAS from 60 cm³ of aqueous the concentration of SAS decreased up to 0.35 mol/dm³. The mass of adsorbent equals to 3 grams. Calculate the adsorption value (mol/g).
Based on the given graph calculate the extent of adsorption at 5 atm. The intercept is 0.702. Calculate the quantity of an adsorbate that is adsorbed per unit mass of the adsorbent. + Log (x/m) Log (p)
.A plot of a Langmuir adsorption isotherm (C/q vs 1/Q) for an adsorption process, gives a slope of 0.208 and intercept of 250. Calculate the adsorption capacity at equilibrium corresponding to monolayer coverage (0) A) 0.002 B) 4.8 C) 52 D) 1.2 x 10¹
What is an adsorption isotherm? What is the texture of a catalyst?
what are the three main types of mass transfer, in electrochemistry? Give an example of concentration gradient in mass transfer.
For the adsorption of a substance A from aqueous solution by charcoal at 25C, the Freundlich constants are n = 3.0 and k = 0.50 for y in grams per gram and C in g L-1. What weight of A will be adsorbed by 2 g of charcoal from 1 L of a solution containing originally 2 g of substance? Answer is [1 g]
What are all the possible ways activated carbon can be modified in its adsorption capacity?
Giving appropriate examples, explain how the two types of processes of adsorption (physisorption and chemisorption) are influenced by the prevailing temperature, the surface area of the adsorbent and the activation energy of the process?