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1) If the concentration difference for diffusion across a thin film is doubled, what happens to the flux?
2) If the diffusion coefficient across a thin film is doubled, what happens to the flux?
3) Imagine that you have a thin film separating two identical well-stirred solutions.
At time zero, the solute concentration in one solution is doubled. Sketch the concentration profiles in the film vs. position and time.
do you think the objects created in the following representation schema are always valid? justify your answers with
a thermoelectric generator consists of a series of semiconductor elements heated on one side and cooled on the other.
A constant force of F is applied to a block of weight w located on an inclined surface with angle of and friction coefficient u. A spring is acting on the block with constant K. if initially spring was compressed by distance d. Find velocity of block..
an automobile having a mass of 2000 kg deflects its suspension springs 0.02 m under static conditions. Determine the natural frecuency of the automobile in the vertical direction by assuming dumping to be negligible.
Write a short technical report on Frequency Division Multiplexing
A centrifugal pump draws water from a reservoir through a 4.0 in diameter pipe and delivers it to a 2.0 inch discharge pipe. A pressure gage on the discharge pipe is located 6.0ft above the free surface of the reservoir and reads 45psig.
a 6-km cast-iron new pipeline conveys 320 lsec of water at 30 degrees celsius. if the pipe diameter is 30 cm compare
an air compressor takes air in at the state of the surroundings 100 kpa 300 k. the air exits at 400 kpa 200degc at the
How does public health personnels control the use of cigarettes?
Determine the angle theta degrees that requires the minimum torque T to keep the seam closed. (Hint: use Mohr's circle). Give the answer in degrees.
a 2 hp electric motor running at 1720 rpm is to drive a blower at a speed of 240 rpm. design a v-belt drive for this
1 calculate the density of al in gcm3 given that it forms an fcc crystal structure with an atomic radius of 0.143 nm
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