Urea is produced when ammonia reacts with Carbon Dioxide. In an industrial process, a mix of ammonia and CO2 with a relationship of 40% to one another is used. (Diagram below). CO₂: 40% NH3 REACTOR H₂O CO₂ NH3 CO(NH2)2 (NH2)COONH4 Calculate the composition of the outflow flow if CO₂ conversion is 85%.
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- An impure sample of Na3PO3 weighing 0.1392 g was dissolved in 25 mL of water. A solution containing 50 mL of 3% w/v mercury(II) chloride, 20 mL of 10% w/v sodium acetate, and 5 mL of glacial acetic acid was then prepared. The solution containing the phosphite was added dropwise to the second solution, oxidizing PO3^3– to PO4^3– and precipitating Hg2Cl2. After digesting, filtering, and rinsing, the precipitated Hg2Cl2 was found to weigh 0.4320 g. Report the purity of the original sample as %w/w Na3PO3. Moles Na3PO3 = moles Hg2Cl2The water supply for a midwestern city contains the followingimpurities: coarse sand, finely divided particulates,nitrate ions, trihalomethanes, dissolved phosphorus in theform of phosphates, potentially harmful bacterial strains,dissolved organic substances. Which of the following processesor agents, if any, is effective in removing each ofthese impurities: coarse sand filtration, activated carbonfiltration, aeration, ozonization, precipitation with aluminumhydroxide?Most anesthetic 'gases' are volatile liquids and therefore must be vaporized in order to be delivered in a gas form to the lungs. The vaporizer holds the gas in an equilibrium condition in which the concentration of the gas molecules remains constant on average. Oxygen gas then flows into the vaporizer and moves a mixture of O₂ and anesthesia into the tube for the patient. A 47.0 g sample of halothane is 0.238 moles. At STP, what is the concentration (% v/v) of 47.0 g of halothane that has been completely vaporized into a container with a volume of 224 L? Assume that halothane is an ideal gas.
- A powdered crude sample of Na2CO3 containing only inert impurities is to be determined by reacting 225.0 mg of the crude sample to 10.0 mL of 3.00 M HCl solution, and bubbling the resulting CO2(g) product in water that is at exactly 29 °C. After the reaction has completed, the level of the liquid inside the eudiometer rests 4.30 cm above the water level in the beaker. The graduation on the eudiometer indicates that the trapped gas is 44.37 mL. The experiment was done under a barometric pressure of 755.2 torr.What is the %purity of the sample to the nearest whole number?1a) The molecular formula for glucose is C6H12O6. What would be the molecular formula for a polymer made by linking fifteen (15) glucose molecules together by dehydration reactions? 1b) Three (3) two-chambered microbial fuel cells (MFCs) were made for generation of the electricity from wastewater treatment, and called MFCs (A), (B), and (C), respectively. Wastewater filled up at the anode chamber and cathode chamber operated under aerobic condition by using above external resistance for all three (3) MFCs. Anode chamber of all the MFCs (A), (B), and (C) inoculated with anaerobic, microaerophile, and aerobic bacterial, while the separator was selected with non-porous membranes for MFC (C) and (B) and porous membrane for MFC (A). Which MFC is assumed to have the best result for wastewater treatment?1. One of the first families of rockets used by the American space program was the Redstonefamily of rockets. The first Redstone rockets (in the 1950s) used B10H14 (often called decaborane)as a rocket fuel that reacts violently with liquid di-oxygen to make diboron trioxide and steam.When used as a rocket fuel, scientists carefully calculated the amount necessary so that bothcomponents ran out at the same time. (Excess fuel would be excess weight for the rocket tocarry.) If the total mass of both reactants put together is 12.0 104 kg, what was the volume ofliquid di-oxygen carried by the rockets? (Liquid di-oxygen has a density of 1.141 g/mL.)
- The aluminum in a 1.200 g sample of impure ammonium aluminum sulfate was precipitated with aqueous ammonia as the hydrous Al(OH)3.xH2O. The precipitate was filtered and ignited at 10000C to give anhydrous Al2O3 which weighed 0.1798 g. Express the result of this analysis in terms of % Al2O3.To each digestion flask 200 mL aliquots of 10 different drinking water samples were added. Silver was extracted by a co-precipitation procedure and collected by filtration. The precipitate was digested in 200 μl hot concentrated nitric acid and diluted to 5 mL in a dilute phosphate solution. Standards were prepared according to the following table. The samples were analyzed by graphite furnace AAS. Calculate the concentration of silver in each sample. Are there any problems? How will you address each of the identified problems?ethylene oxide is produced by oxidation of ethylene 100 kmol of ethylene and 100 kmol of o2 are charged to a reactor.the % conversion of ethylene is 85 and%yield of ethylene oxide is 94.12 .calculate the composition of product stream leaving the reactor .the reactions takes place are
- A 2.000 gram sample containing graphite (carbon) and an inert substance was burned in oxygen and produced a mixture of carbon dioxide and carbon monoxide in the mole ratio 2.00: 1.00. The volume of oxygen used was 747.0 milliliters at 1,092K and 12.00 atmospheres pressure. Calculate the percentage by weight of graphite in the original mixture.Calculate the mass, in gg, of 13801380 mLmL of \ce{CH4}CHX4 at STP. show work.In the Deacon process for the manufacture of chlorine, HCl and O2 react toform Cl2 and H2O, Sufficient air (21 mol% O2, 79% N2) is fed to provide 35% excess oxygen and the fractional conversion of HCl is 85%. (a) Calculate the mole fractions of the product stream components, usingatomic species balances in your calculation. (b) Again calculate the mole fractions of the product stream components,but use the extent of reaction in the calculation.