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the feed stream to a claus plant consist of 20 mole% H2S and 80 mole% CO2. one-third of the stream is sent to a furnance where the H2S is burned completely with a stoichiometric amount of air fed @ 1 atm and 25 degrees C. the rxn is H2S + 1.5O2 goes to SO2 + H2O
the product gases from this rxn are then mixed with the remaining two-thirds of the feed stream and sent to a reactor in which the following reaction goes to completion: 2H2S+SO2 goes to 2H2O+3S
the gases leave the reactor flowing at a rate of 10m^3/min @ 380 degrees C and 205kPa absolute. assuming ideal gas behavior, determine the feed rate of air in kmol/min
The electron microscope has been widely used to obtain highly magnified images of biological and other types of materials
Calculate [H+] and the pH of the following solutions.
At 0.0 C, if the volume of air is 2 mL and the pressure of the atmosphere that day is 665 mmHg, what is the number of moles of air?
Give the structure that corresponds to the following molecular formula and 1H NMR spectrum: C7H12Cl2: ? 1.07 (integral = 6203, s); ? 2.28 (integral = 1402, d, J = 6 Hz); ? 5.77 (integral = 700, t, J = 6 Hz). Note: The integrals are given in arbitr..
256 grams of sodium chloride reacts with an excess of calcium oxide. How many grams of sodium oxide are produced?
Neutron stars are believed to be composed of solid nuclear matter, primarily neutrons.If the radius of a neutron is 1.0 × 10-13 cm, calculate the density of a neutron in g/cm3. (volume of a sphere = ) Assuming that a neutron star has the same dens..
how many grams of ammonium nirtate must have reacted if 3.75dm3 of nitrogen gas was collected over water at 26C and 97.8 kPa
The pH of 0.750 M sodium hypochlorite, NaClO, is 10.72. What is the pKb for this base?
A thyroid condition called Goiter can be treated by increasing Iodine in the diet. Iodized salt contains Calcium Iodate, Ca(IO3)2, which is added to table salt.
which effect on atomic size is more significant the nuclear charge or the energy level that electrons are filling?
The nitrate concentration in an industrial effluent is determined using a nitrate ion selective electrode. Standards and samples are diluted 20-fold with 0.100 K2SO4 to maintain consatnt ionic strength.
A 28.5 g sample of an unknown metal is heated to 95.0C and then dropped into 58.0 g of water in a coffee-cup calorimeter. The temperature of the water rises from 23.5 C to 27.1C.
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