Chemical Engineering

Question The sublimation pressures of solid Cl2 are 352 Pa at 161 K and 35 Pa at 146.5 K. The vapour pressures of liquid Cl2 are 1590 Pa at 173 K and 7830 Pa at 193 K. Calculate(A...

Question Consider these reactions, where M represents a generic metal. 1. 2M(s) + 6HCl(aq) → 2MCl3(aq) + 3H­2(g)         &n...

Question You have been put in charge of the conceptual design for a process whereby A → 2B, a second order liquid phase reaction that occurs isothermally at 340K and isobaric...

QuestionA feed solution contains 120 moles of benzene-toluene mixture having 65 mole% benzene. Two third of the feed is vaporized. The total pressure is 1 atm. Calculate the distil...

Question An adiabatic PFR (feed temp. = 120°C) reaches 70% conversion for the uncatalyzed reaction A → B.  At the same feed temperature, the same reaction reaches 70...

Question Dry air is bubbled through 25.0 liters of water at a rate of 15.0 liters (STP)/min. The air leaving the liquid is saturated with water at 25ºC and 1.5 atm. (a) Draw...

Question The gas phase reaction A → 3B has an elementary rate law with k = 5 min-1 at 50°C. A feed stream contains 75% A and 25% inert, with a total flow rate of 30L/min....

QuestionStaring from the result of kinetic theory of gases that U = 3/2 PV, derive expressions for U, H, C and CP for a perfect gas, and evaluate them at 29°C. What is the rela...

Question Amino-Fluorescein (AF, molecular weight=347g/mol) is to be recovered from a 20wt% aqueous solution in a continuous crystallization operation. The solution is joined by a ...

Question Four mols of 100% sulfuric acid is diluted with enough water to produce a 30 mole% aqueous solution. The acid and water are initially at 25°C. Suppose the flask has a...

Question What are the specific enthalpy and specific volume of steam at 300.0°C and 20.0 bar? Is this steam superheated or saturated? If this steam is superheated, what is its...

Question Oil is extracted from soybeans using liquid n-hexane as a solvent. The residue from the extraction unit contains 0.78kg hexane/kg of dry solids. The residue is contacted ...