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Traces of aniline can be determined by reaction with an excess of electrolytically generated Br2:
The polarity of the working electrode is then reversed, and the excess bromine is determined by a coulometric titration involving the generation of Cu (I):
Suitable quantities of KBr and copper (II) sulfate were added to a 25.0-mL sample containing aniline. Calculate the mass in micrograms of C6H5NH2 in the sample from the accompanying data:
Air is compressed by an adiabatic compressor from 95 kPa and 27°C to 600 kPa and 277°C. Assuming variable specific heats and neglecting the changes in kinetic and potential energies, determine (a) the isentropic efficiency of the compressor and (b) t..
Determine the rate of metal removal when the wheel is engaged in the work and if the number of active grits per square inch = 200, determine the average chip length and the number of chips formed per time
For a part with matrices (0,0,0),(1,0,0),(0,2,0),(0,0,3), find the final shape after being scaled with factors(1,2,3) in x,y,z axis and then mirrored about z=0 plane. Use transformation matrices.
A differential nitrogen pressure exists across a 2-mm-thick steel furnace wall. After some time, steady-state diffusion of the nitrogen is established across the wall. Given that the nitrogen concentration on the high-pressure surface of the wall is ..
the viscoelastic response of a common orthopedic polymer is represented using a maxwell model so that the spring
a piston cylinder arrangement originally contains 0.1 kg of saturated water vapor at 10 bars. a line with steam flowing
Consider a one-dimensional plane wall at a uniform initial temperature Ti. The wall is 10 mm thick, and has a thermal diffusivity of 6 x 10^-7 m2/s. The left face is insulated, and suddenly the right face is lowered to a temperature Ts,r.
a 6.5m tall tank has a rectangular cross?section and is filled with water to a depth of 3.5m. assuming the pressure on
air at 30 celcius and 2 mpa flows at steady state in a horizontal pipeline with a velocity of 25ms . it passes through
A well insulated 3-m X 4-m X 6-m room initially at 7 degrees C is heated by the radiator of a steam heating system. The radiator has a volume of 15 L and is filled with superheated vapor at 200 kPa and 200 degrees C.
Determine the nature of the relationship between these variables and Determine the operating point for this pump with this system - Calculate the efficiency of each pump.
Steam enters a two-stage adiabatic turbine at 8 MPa and 550ºC (State 1) and is expanded to 2 MPa (State 2) in the first stage of expansion. This steam is reheated at constant pressure to 550ºC (State 3) before entering the second stage of expansion. ..
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