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A stream of gas containing 3 mol % hydrogen sulphide enters an absorption column. The composition of hydrogen sulphide in the gas stream is to be reduced to 0.1 mol percent by the use of H2O. Solve for the number of equilibrium stages required by the iterative procedure and by the Kremser relationship If The molar ratio L'/V' is 2 times the minimum. Equilibrium between the composition of Hydrogen sulphide in the gaseous and liquid phases can be represented as Yn=48.3Xn.
A mass of 1.50 g H2O is sealed in an evacuated 3.0-L flask and heated to 55 °C. What mass of liquid water remains in the flask when equilibrium is established? The equilibrium vapor pressure of water at 55 °C is 118 mm Hg.
Find the percentage of FeCl2 in a 35.5g sample of ore which has been dissolved in aqueous acid and titrated to the endpoint with 23.55 ml of 0.309 M Cr2O7^2- . the molar mass of FeCl2 is 126.0 g/mol. Cr2O7^2- + Fe^2+ ------> Cr^3+ + Fe^3+
Calculate the pH at the equivalence point for the titration of a solution containing 1250.0 mg of hilariamine (MW = 104.75 g/mol, Kb = 7.1×10-4) with 0.1000MHCl solution.
sulfuryl chloride so2cl2 in the gas phase decomposes to sulfur dioxide and chlorine gas.a what is the rate law?b what
What concentration of naphthalene in grams per liter would be needed to give an absorbance of 1.0 at 220nm
Our quality control department is being moved to a different location and will not be able to handle any projects for a few weeks.
Sodium nitrate decomposes upon heating to form sodium nitrite and oxygen gas. This reaction is sometimes used to produce small quantities of oxygen in the lab. How many grams of sodium nitrate must be heated to produce 128g of oxygen?
The good professor accidently grabs the Na2HPO4 bottle. What pH did professor Whoops expect the solution to be? what was the actual pH of the solution as made
Express the concentration of a 0.0760 M aqueous solution of fluroide, F-, in mass percentage and in parts per billion
When cyclohexane (C6H12) is burned in excess oxygen to produce carbon dioxide gas and liquid water, it releases 3919kJ of heat per mole of cyclohexane burned.
The solubility of oxygen gas in water at 25 °C and 1.0 atm pressure of oxygen is 0.041 g/L The solubility of oxygen in water at 3.0 atm and 25 °C is __________ g/L.
Define the following terms: carbohydrate, monosaccaride, disaccharide, polysaccaride. Give an example of a simple sugar and name the functional group associated with your example.
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