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Explain the influent suspended solids concentration to a primary settling tank is 435 mg/L. Explain the average flow rate is 0.050m3/s. Define If the suspended solids removal efficiency is 60 percent, explain how many kilograms of suspended solids are removed in the primary settling tank each day?
the equation of line determined from a Beers law plot is y=0.195x+0.4, what is the resistance of an unknown water sample if the assumed concentration is 1.8ppm. please show your work.
Calculate the average absorbance and use this value for an absorbance point on your graph. Use the printed graph from above, find the average Absorbance of the unknown on the y-axis
A voltaic cell consists of a strip of cadmium metal in a solution of Cd(NO3)2 in one beaker, and in the other beaker a platinum electrode is immersed in a NaCl solution
Sketch all structural isomers of C4H2 which contain C-rings. Although none of these ring-structure isomers are stable do to extreme "ring strain", which do you expect to show the most "ring strain"? Why?
Calculate the mass in grams of iodine that will react compeltely with 20.4g of aluminum to form aluminum iodide
what is the purpose of ethylene glycol in this chemical experiment. why is it chosen specifically for this reaction.
A voltaic cell consists of an Mn/Mn2+ half-cell and a Pb/Pb2+ half-cell. Calculate [Pb2+] when [Mn2+] is 2.7 M and Ecell = 0.37 V.
it is not practical to count individual atomsmolecules because of their small size. however we can determine the number
consider oxygen at 100 bar and specific volume of 0.08.a calculate the temperature t using the van der waals equation
Why is the 1, 4-isomer (1, 4-di-t-butyl-2, 5-dimethoxbenzene) the major product in the alkylation of dimethoxybenzene. Would you expect either of the following compounds to be formed as side products
The Solubility of calcium arsenate, Ca3(AsO4)2 is 3.63 milligrams per 100mL. What would you expect the solubility product (Ksp) to be
After treatment with trypsin, which cleaves at R and K, there were 3 fragments: two dipeptides and MGAV. What is the sequence of the peptide? Use the one-letter abbreviations for the amino acids, and do not use dashes.
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