Calculate the THOD of a 300 mg/L solution of C5H8O2N.
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- A cylindrical container is 185mm in diameter and weighs 3.55N when empty. When filled to a depth of 250 mm with acertain oil, it weighs 55.4 N. Calculate the specific gravity ofthe oil.V.3 Q4. A municipal wastewater treatment plant has an aeration basin that is 1000 m3 in volume, with a mixed liquor suspended solids (MLSS) of 2000mg/L . If the mass of BOD5 entering the aeration basin each day is 1100 pounds and the VM ratio is 0.65 , what is the F:M ratio? (Answer F:M ratio is 0.38)Calculate the BOD concentration based on the data below. DOinitial (mg/L) 7 DO final (mg/L 3.5 Vol. sample (ml) 15 Vol. dilution (ml) 285 BOD (mg/L) ?
- Determine the amount of coagulant required per day (kg/day).• Assume that the optimum dosage of alum at 25 mg/L was used and that the density of alum was 600kg/m3, Power = 1736.3 watt, Volume= 10.83 m^3 , water temperature is 20 oC, and velocity Gradient is 400 1/s.• Amount of alum = ? (kg/month)• Volume of alum = ? (m3/month)Eight solid hemispherical blocks each of diameters 4 cm are dropped into a hemispherical vessel containing some water. If the radius of the vessel be 8 cm and if the water rises just upto the brim of the vessel. Find the quantity of water initially present in the vessel.h=1.4, w =3,L= 4.7 alumium block / brass block h=1.4, w =1.7l=2.4 densities (p alumiun 2700kg/m3 and pbrass 8730 kg/m3)calculate the volume of each object using the calculated volume and the given densities. calculate standard deviation for each measument
- Hello, I have an equalization tank with the following dimensions: Tank Dimensions: Height: 5.15 meters Length: 10.3 meters Width: 30.48 meters Total volume calculated: 1616.8116 m³ The design flow is 2.5 MGD. I want to treat the pH and alkalinity with soda ash. pH: 4.9 (desired: 7) Alkalinity [mg/L]: 44 mg/L (desired: 200 mg/L) How can I calculate how much soda ash I need to treat the pH and alkalinity in the equalization tank?Liquid alum is used as a coagulant and specific gravity of alum is 1.33. One gallon of alum weights 6.05 kg and contains 3.22 kg of dry alum. Determine;(a)The alumconcentration (b)What is the volume of liquid alum required in order to prepare a solution containing 20,000 mg/l of alum concentration with final volume of 100 mL? (c)The dosage concentration of 1 mL of stock solution in a 2000 mL Gator jarsample.A student weighs out 0.3333 g Na2CO3, dissolves it completely in 30 mL of deionized water, and titrates the resulting solution with 0.100 M HCl. Calculate the equivalence point volume expected for the complete titration of the Na2CO3. (Formula weights: Na2CO3 = 105.99 g/mole; HCl = 36.46 g/mole) A) 15.7 mL B) 31.4 mL C) 62.9 mL D) 114 mL E) 229 mL
- Calculate the Cunningham correction factor for a particle with a 0.03-micron diameter in air at 1 atm pressure and 150 oC.A container contains 200 g of solution in which 30 grams of salt are dissolved. Brine containing 1 g of salt/L is then poured into the tank at the rate of 4L / m * i * n and the solution is mixed well and is pumped out of the same rateFind the amount of salt in the container after 5 minutes ?There are four liquids that are to be poured in a single vessel that is located in an atmosphere with g = 3.72m/s2. The first liquid is seawater (SG=1.025), the second is kerosene (ρ=1.591 slugs/ft3), the third is castor oil (SG=0.959), and the last liquid is liquid butane (unit weight = 2235.72N/m3 @ g=3.72m/s2). (a)Determine the density of seawater, the specific gravity of kerosene, the unit weight of castor oil and the density of liquid butane expressing all your answers in SI Units. (b) Illustrate the order of the liquids from the top-to-bottom of the vessel?