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A coal with the following composition is burned at a rate of 15000 kg per hour in a power plant. The excess air used was 20%. Carbon - 66.10%, Hydrogen- 6.03%, Oxygen -11.91%, Nitrogen-1.04%, Sulfur-2.40% and Ash-12.52%. Assuming a 100% conversion of the fuel and no nitrogen oxides form and all sulfur converts to SO2, calculate the flue gas composition. The flue gases produced are cooled from 1000 C at the outlet of the furnace to 600 C in a superheater. Saturated steam at 80 bar enters the superheater and leaves with a 100 C superheat. What quantity of superheated steam is generated in the boiler?
Circle the form in which a peptide bond is typically found. Describe how the structure of a peptide bond affects protein structure.
an experiment shows that a 247ml gas sample has a mass of 0.432 gas at a pressure of 752 mmhg and a temperature of 28c.
A certain substance has a heat of vaporization of 58.15 kJ/mol. At what Kelvin temperature will the vapor pressure be 3.00 times higher than it was at 363 K
calculate co32- in a 0.025 m solution of co2 in water h2co3. if all the co32- in this solution comes from the reaction
What is the percent by mass of oxygen in a gaseous mixture whose molar composition is 0.500% CO2 and 99.500% air?
How many different tripeptides can be made from two molecules of glycine and one molecule of histidine
calculate the wavelength of the fifth line in the hydrogen atom paschen series. calculate the energy released in the transition
the recommended adult dose of elixophyllin a drug used to treat asthma is 6 of body mass. calculate the dose in
The total pressure of a mixture of N2O4 and NO2 is 1.5 atm. If Kp=7.1 (at 25 degrees C) calculate the partial pressure of each gas in the mixture.
the absorbance of the solution was found to be .5528. Based on the calibration curve of Y=26.1x + .081 (where absorbance is on y axis and concentration of product C is on the x axis) determine the equilibrium concentration of C, then using an ICE ..
Calculate the amount of water (in grams) that must be added to each of the following substances to produce the indicated solution 8.10g of urea(NH2)2CO in the preparation of 21.8 percent by mass solution 30.4g MgCl2 in the preparation of a 4.8 per..
Calculate the minimum mass of ethane that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits. 2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
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