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A distillation column with a total condenser and a partial reboiler is separating two feeds. The first feed is a saturated liquid and its rate is 100 kmol/h. This feed is 55 mol% methanol, 21 mol% ethanol, 23 mol% propanol and 1 mol% butanol. The second feed is a saturated liquid with a flow rate of 150 kmol/h. This feed is 1 mol% methanol, 3 mol% ethanol, 26 mol% propanol and 70 mol% butanol. We want to recover 99.3% of the propanol in the distillate and 99.5% of the butanol in the bottoms. Find the distillate and the bottom flow rates and the mole fractions of the distillate and the bottom products.
the company you work for makes the casting for the rectangular pan 300 mm long x 200 mm wide x 60 mm deep with a 3 mm
determine the volume required to store 25kg of ethane at 320kpa and 35 degrees celsius. if the temperature rises to 65
Two infinite parallel plates are separated by a distance h. The space between them is filled with a Newtonian fluid: density (rho), viscosity (mu). The lower plate is fixed
The magnetic flux that passes through one turn of a 12-turn coil of wire changes to 4.0 from 9.0 Wb in a time of 0.050 s. The average induced current in the coil is 230 A. What is the resistance of the wire?
during a break test the front wheel drive car is stopped from an initial speed of 60 mihr in 175 ft. if it known that
Assume you are given a spherical joint where the ball has a radius of 20 mm and socket has a radius of 22 mm. If the contact load is 50 N, E = 210 GPa, and ν = 0.3, determine (a) the radius of the contact area, (b) the maximum contact pressure.
the tank has a 180mm diameter and 12 mm wall thickness. knowing that the tank contains compressed air under a pressure of 8 Mpa, determine the magnitude t of applied torque for which the maximum normal stress in tank is 75 Mpa.
an air standard brayton closed cycle receives air at 1 atm and 298 k. the upper temperature and pressure limits are 5
calculate the energy for vacancy formation in al given that the equilibrium number of vacancies at room temperature 25
a partially full can of soft drink is placed at the outer edge of a childs merry-go-round located r 1.5 m from the
the elastic modulus of diamond is measured by applying a force parallel to the body diagonal of the unit cell and
a 2.1-m long 0.2-cm diameter electrical wire extends across a room that is maintained at 200c. heat is generated in the
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