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If 4 liters per minute of 100 ppm 1,1,2-trichloroethane solution is to be reduced by 99% in a diffused air CSTR, what air flow is required if equilibrium is assumed? What air flow is needed for 90% removal?
What total volume of chloroform would be required to remove 99% of the cocaine from 100 mL of water in three successive extractions?
Why, in a primitive cubic cell, do anions sit on the lattice points while the cation fills the lattice hole in the center a. Because it is favorable for anions to be as close to one another as possible.
Determine the volume of a 0.510 M KMnO_4 solution required to completely react with 2.90 g of Zn.
A sample of oxygen that occupies 2.5 × 10-6 mL at 508 mm Hg is subjected to a pressure of 1.2 atm. What will the final vol ume of the sample be if the temperature is held constant?
The mass of the sample before heating was 3.327g and after heating the mass was 2.432g. What is the percent composition of sodium carbonate in the original mixture?
A balloon filled with H2 (g) at 0.0 °C and 1.00 atm has a volume of 2.24 L. What is the final gas volume if 0.10 mol He (g) is added to the balloon and the temperature is then raised to 100 ° C while the pressure and amount of gas are held constan..
The steam is comes out of the feed water at 200 C. The water at a flow rate of 500 kg/h enters the feed water heater at 20C. Calculate the feed water exit temperature.
A solution is prepared by dissolving 1.29 g of an unknown organic compound in 15.00 g of cyclohexane. What is the molar mass of the compound if the solution has a melting point of -5.1°C
the tosylate of 2s3r-4-methyl-3-phenylpentan-2-ol undergoes an e2 elimination on treatment with sodium ethoxide. draw
Correct orders the solubility, from greatest to least, of NaCl in the solvents BF3, H2O, and CH3(CH2)2OH
Which of the following gases has the largest Henry's law constant, Kh, for dissolution in water at room temperature and why
A fuel gas containing 75% methane, 15% ethane and 10% propane by volume flows to a furnace at a rate of 1200m^3/hr at 15'C and 200kPa, where it is burned with 12% excess air. Calculate the required flow rate of air in SCMH(standard cubic meters pe..
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