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A feed of 13,500 kgh consists of 8 wt% acetic acid (B) in water (A). The removal of the acetic acid is to be accomplished by liquid-liquid extraction at 25oC. The raffinate is to contain only 1 wt% acetic acid. The following four solvents, with accompanying distribution coefficients in mass-fraction units, are being considered. Water and each solvent (C) can be considered immiscible. For each solvent, estimate the kilograms required per hour if a single equilibrium stage isused.
Solvent
KD
Methyl acetate
1.273
Isopropyl ether
0.429
Heptadecanol
0.312
Chloroform
0.178
A particle with the mass of a proton is trapped in a box. The particle falls from the state to the state and emits 0.16 meV of energy. What is the size of the box? (nm
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upon responding to a 200 a.m. domestic transportation mishap your hazmat team determines that a liquefied compressed
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the paint formerly used on some storage tanks contained aluminum powder which reflected heat from the surface of the
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Suppose you pour a gallon of water on a yowling cat 10 ft below your bedroom window. (a) How much potential energy (ft · 1bf) does the water lose?
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