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Question- What BOD (in mg O2 /L) could an aeration tank with dimensions: length= 50m; mixed liquor depth= 2m and width = 5m at a small waste water treatment plant receiving 0.5 MGD of sewage per day treat if the F/M is 0.1g BOD/day/g MLSS and MLSS in the aeration tank is 3500mg VSS/L?
I require skilled aid to answer the given problem
why are we given a known and unknown hydrate. what is the point of having a known sample. why is it important. do scientists give is a more 'generic' name, if so, what would a scientist call the known
The crystal field splitting energy for a complex is 160 kJ/mol. What wavelength of light is absorbed by this complex? A) 750 nm (red light)
Calculate the standard enthalpy of formation of methane, CH4 (g), using a C-H bond enthaply of 413 kJ mol-1 and the atomization enthalpies of 716.682 and 217.96 kJ mol-1, respectively for C and H.
benzyl chloride c6h5ch2cl reacts with ethanolic koh to form two products.give their identities and suggest how they
Define what is the constant if the frequency is 4.46 x 10 to the 14th power Hz and the wavelength is 670 nm
five grams of the specified pure solvent is placed is placed in a variable volume piston. What are the molar enthalpy and total enthalpy of the pure system when 50% and 75% have been evaporated at
0.30 g of hydrogen chloride (HCl) is dissolved in water to make 4.5 L of solution. What is the ph of the resulting hydrochloric acid solution
you need 4.5l of nitric acid solution with ph 6. you have unlimited amounts of nitric acid solution with a hydronuim
A 0.411-g sample of potassium hydrogen phthalate, KHC8H4O4 (molar mass=204.44 g/mol) is dissolved with 50 mL of deionized water in a 125 mL Erlenmeyer flask.
Question- Consider two cells, the first with Al and Ag electrodes, and the second with Zn and Ni electrodes, each in appropriate 1.00 M solutions of their ions.
Problem- Calculate the pH of 0.290L of a 0.500MNaHSO3 - 0.285M Na2SO3 buffer before and after the addition of the following substances.
Many home barbeques are fueled with propane gas C3H8 What mass of carbon dioxide (in kg}) is produced upon the complete combustion of 18.9 { L} of propane (approximate contents of one 5-gallon tank)
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