Second-law analysis of a distillation. column c3 in figure 1.8 separates stream 5 into streams 6 and 7, according to the material balance in table 1.5. the sepa- ration is carried out at 700 kpa in a distillation column with 70 plates and a condenser duty of 27,300,000 kj/h. using the fol- lowing data and an infinite surroundings temperature to, of 298.15 k, compute: (1) the duty of the reboiler in kj/h; (b) the irreversible production of entropy in kj/h-k, assuming condenser cooling water at 25°c and reboiler steam at 100°c; (c) the lost work in kj/h; (d) the minimum work of separation in kj/h; and (e) the second-law efficiency. assume the shaft work of the reflux pump is negligible.

both adhesion and cohesion are attractions.

they are different in that adhesion is the force of attraction between the molecules of two different substances, whereas cohesion is the force of attraction between molecules of the same substance.

possible examples include capillary action, in which the adhesion between water and glass causes the water to rise in a narrow tube against the force of gravity.

because of hydrogen bonding, water is extremely cohesive.

this causes molecules on the surface of water to be drawn inward, which is why drops of water form beads on smooth surfaces.

hope this .

b is the correct answer

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14 days is the half-life of phosphorus-32

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.