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A treatment plant treats an average daily flow of 1.6 MGD. The influent BOD and TSS is measured as 225 mg/L and 250 mg/L, respectively. Explain what percent of removal the treatment plant has to achieve for BOD and TSS in order to meet the secondary effluent limit of 30 mg/L for both BOD and TSS? Explain what is the mass of BOD and TSS is removed each day at this removal rate?
A 25.00 mL sample of propionic acid, CH3CH2COOH, of unknown concentration was titrated with 0.1137 M KOH. The equivalence point was reached when 40.17 Ml of base had been added. The concentration of the original propionic acid is
Consider n moles of ideal gas kept in a heat isolated cylinder (all processes are adiabatic) with a piston at extrnal pressure P(i), and at the temperature T(i). the extrnal pressure is suddenly changed to P=2P(i), and we wait for the system to eq..
You perform a mass spectral analysis and determine that Sample A has a base peak at m/e = 72 as well as Sample B has a base peak at m/e = 58. For alkyl amines such as A and B, base peaks result from cleavage alpha to the N atom. Allot structures t..
What is the boiling point of acetone at an elevation where the external pressure is 323 torr?
In the balanced molecular equation for the neutralization reaction between phosphoric acid and potassium hydroxide, the products are: a. 3H2O b. K3PO4 + 3H2O c. KPO4 + H3OH d. K+(aq) + PO43-(aq) + 3H+ + 3OH-
For the reaction given below, how many grams of Na2CS3 are produced in the reaction of 65.0 mL of liquid CS2 (d = 1.26 g/mL) and 1.56 mol NaOH
A piston has an external pressure of 11.0 atm . How much work has been done in joules if the cylinder goes from a volume of 0.160 liters to 0.580 liters.
Draw the structures of phthalic anhydride, ethylene glycol, and glycerol. Draw the polymer that results from phthalic anhydride & ethylene glycol. Draw the polymer that results from phthalic anhydride and glycerol.
Explain treatment of a 0.4-g sample of impure potassium chloride with an excess of AgNo3 resulted in the formation of 0.7332-g of AgCl. Compute the percentage of KCl in the sample
two liters of the alcohol are left in an open container at 22 degrees celcius in a 12x12x8.0 ft room. after equilibrium
Draw (R,S)-1,2-diammoniumcyclohexane. Draw its enantiomer. Name its enantiomer. Are these compounds the same or different
a boy wants to prepare an aqueous solution of sucrose with a vapor pressure of 15.0 mm hg at a temperature of 20 degree
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