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180 kmol h-1 of a three component mixture is made up of 60 mol % 'A', 25 mol % 'B' and 15 mol % 'C'.
Component 'A' is the most volatile and 'C' the least volatile. The mixture is to be separated by continuous distillation in two columns so that 80% of 'C' in the feed is removed as bottom product in the first column as a 90 mol % solution with B.
The top product from the first column will be separated in the second column to give a top product here of 95 mol % 'A' and a bottom product of 85 mol % 'B'.
Determine the flows from the two columns and the mol % 'A' in bottom product from column 2.
(Assume there is to be no 'A' in the bottom product of column 1 and no 'C' in the top product of column 2.)
A flask contains 0.390 mol of liquid bromine, rm Br_2. Determine the number of bromine molecules present in the flask.
Silver chloride, often used in silver plating, contains 75.27% . what is the mass of silver chloride required to plate 285 of pure silver
To this vessel 8.6787g of Ne are added in such a way that no butane escapes. The total pressure of the vessel (at the same temperature) is 1420 torr. Calculate the volume of the vessel and the mass of the butane.
A 10.0 ml sample of 0.075 M KOH is titrated with 0.125 M HCIO4 solution. Compute the pH after the subsequent amounts of acid are added. a) 2.50 ml b) 6.00mL c) 12.0Ml
If 133 g of ice at 0.0°C is added to 1.96 L of water at 76°C, what is the final temperature of the mixture
Nitric oxide (NO) reacts instantly with oxygen gas to form nitrogen dioxide (NO2), a dark-brown gas. 2 NO(g) + O2(g) 2 NO2(g)
A solution of PbI2 has [Pb2+] = 4.5 x 10-5 and [I-] = 6.5 x 10-4. PbI2 has Ksp = 8.7 x 10-9. Write down the reaction that is taking place. Calculate Q. Is Q larger or smaller than the Ksp? Is the solution unsaturated, saturated, or supersaturated?..
Explain what the molecular formula of the compound is. Depict the Lewis structure of the compound. Identify the geometry around each carbon atom.
For the synthesis of an insoluble salt (such as SrCl2 and Na2SO4, to get SrSO4) what are some reasons why percent yield may be greater than 100%? Lower than 100%?
Question- What partial pressure of nitrogen (N2) gas is required in order for 0.00345g of the gas to dissolve in 14.0 mL of pure water. The Henry's law constant for nitrogen gas is 6.1 * 10^-4 atm -1.
Calculate the volume of glacial acetic acid needed to make 1L of the buffer. Glacial acetic acid is 99.5% acetic acid
Use the appropriate standard reduction potentials to calculate the value of K at 25 degrees Celcius for the reaction
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