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If the ultimate BOD of waste is 24mg/l and the BOD5 of that waste is 16mg/l,how much oxygen per liter would the waste consume in 7 days
What is the system that is buffered, what is the pH of the system and what compounds are responsible for the buffered system?
health risk does each of the following classification represent Corrosive Carcinogen Teratogen Mutagen
What is the pH halfway to the equivalence point for the titration of 0.20 M CH3NH2 with 0.20 M HCl? (Kb of CH3NH2 = 4.4 x 10-4)
Its activation energy is 262 kJ/mol. At 477 celcius its half life is 5 minutes. What is its half life at 527 celcius (in seconds)?
All numerical answers must be reported to the correct number of significant figures. In a routine laboratory analysis, a technician prepare a solution containing 0.126 g of KMnO4 in a 0.250 L volumetric flask. What is the molar concentration (mola..
The extract from solution 3 was found to be 0.0225M in HA. Assume that HA does not associate or dissociate in the organic solvent, calculate
How many photons will be required to raise the temperature of 2.3 g of water by 2.1k ? Water is exposed to infrared radiation of wavelength 2.7×10?4 cm . Assume that all the radiation is absorbed and converted to heat.
Free radicals are important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the actions of sunlight on air pollutants, is formed in part by the following two steps.
Amino acids with an additional COOH group in the side chain are called acidic amino acids.
The stack gas contains C02 at a partial pressure of 80 mm Hg and no CO,O2, methane or ethane. Calculate the mole fraction of methane in the fuel and the dew point temperature of the stack gas.
Calculate thePH at the equivalence point in titrating 0.100 M solutions of each of the following with 9.0×10? HCLO2
A 3.5 L container is filled with gas at 1.00 atm. A piston then compresses the gas to 0.250 L. What is the new pressure?
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