A sheet of steel with 100cm2 area has nitrogen(N2) atmospheres on both sides and is permitted to achieve a steady-state diffusion condition. In order to increase the flow rate of N2, which of the following modifications is useful? Steel sheet C Increase the N2 pressure at C1 Decrease the temperature. O Increase the N2 pressure at C2 O Increase the thickness of the steel sheet.

Q: 14.7. Porous membrane with pressure differential. Water at 70°C passes through a polyethylene…

A:

Q: A cylindrical tube connects two large gas tanks (Tank-1 and 2). Both tanks contain mixture of carbon…

A: Given: The partial pressure of the first tank, The partial pressure of the second tank, The length…

Q: A situation arises where steady state equimolar counter diffusion is occurring in a section of…

A: The molecular diffusivity of the given system for equimolar counter diffusion is to be calculated.

Q: As a solid melts into the liquid state,    the particles maintain their fixed volumes  the…

A: As solid melts into the liquid state, the particles experience an increase in their kinetic energy.

Q: Ileat is transferred by convection from water at 48 "C to a glass plate whose surface is exposed to…

A:

Q: Identity of the salt: NaCl a. Mass of salt [g] b. Molar Mass of salt [g/mol] c. Moles of salt [mol]…

A: (a) Change in temperature =? For trial 1, the initial temperature is Ti = 20.9oC, and the final…

Q: A biodegradable polymer sphere with a radius of R erodes in water slowly and the erosion happens on…

A: Here, we have Diffusion coefficient D =2 * 10-6 cm2/s concentration of polymer in undissolved state…

Q: In the mass transport theory, the mass flux j is generally given as, j = -pDVw Show that for a…

A:

Q: EMCD process.

A: EMCD in a Distillation column

Q: If Cu(s) is dissolved in Ag(s) to make an alloy, what intermolecular force acts between the Cu and…

A: The given substance is an alloy of two metals copper (Cu) and silver (Ag). The alloys are actually…

Q: 1. A sheet of steel 1.5 mm thick has nitrogen atmospheres on both sides at 1200°C and is permitted…

A: Thickness of sheet = 1.5 mm Diffusion coefficient of nitrogen in steel =  Diffusion flux =…

Q: 1. Heating of a Spherical Particle Consider a solid spherical particle of radius R and thermal…

A: First consider a sphere of radius R and the thermal diffusivity α Now to get governing equation for…

Q: Corrugated surfaces such as those shown schematically in the figure below are commonly encountered…

A: Given that x=aL-zL the concentration of species =C the reaction is of the first order and takes…

Q: In the oxygen – nitrogen gas mixture at 101.3 kPa and 298 K, the concentrations of oxygen at two…

A: Given, P=101.3 KPa, T=298 K, z=2×10-3m composition, XA1=0.2, XA2=0.1 (a) For non-diffusing nitrogen,…

Q: Consider the device shown below that will be used to humidity an air stream. In the current process,…

A: Temperature of the system, T = 40°C = 313 K The pressure of the system, P = 1.0 atm Species A is…

Q: What if the amount of air is not stated? How can we assume for that? Is there any technique?

A: Given that :amount of air (assume 79mol% N2, 21mol% O2) is given

Q: Which of the following statements concerning osmosis is/are CORRECT?  Statement 1. Osmosis…

A: It is given to determine the correct statement. The statements  given are :  Statement 1.…

Q: A sheet of steel 1.7mm thick has nitrogen atmospheres on both sides and is permitted to achieve a…

A: Given that DAB= 7.55 X 10-11 m2/sdiffusion flux ,J = 1.5 x 10-7kgm2CA = 5.17 kgm3CB = 2.5 kgm3

Q: A cylindrical tube connects two large gas tanks (Tank-1 and 2). Both tanks contain mixture of carbon…

A: Given Data  The cylindrical tube connects two large tanks (Tank 1 and 2). The tanks contain CO2 and…

Q: 6. Problem setups. Let's consider two cases of diffusion. On the left, we have cells embedded in a…

A: Given:Concentration of Oxygen