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A certain fractional distillation apparatus contains a 24-cm Vigreux column stacked on top of a 30-cm glass tube that is half-filled with 4x4-mm porcelain saddles. This assembly is inserted into a boiling flask. How many theoretical plates does the column assembly provide is the HETP of the saddles is 5 cm, the HETP of the Vigreux column is 8 cm, and the HETP of the empty glass tube is 15 cm?
What is the balanced equation for the combustion of 1-naphthol, C10H7OH, to give CO2 and H2O? Do not include phases.
If 19.2 g of CO2 is produced in the reaction of C2H2 with O2 to form CO2 and H2O, how many grams of H2O are produced in this reaction.
Ringer's solution, used in the treatment of burns and wounds, is prepared by dissolving 8.6 g of NaCl, 0.30 g of KCI , and 0.33 g of CaCl2 in water and diluting to a volume of 1.00 L . What is the osmolarity of Ringer's solution
Write lewis structure for these species, including all resonance forms, and show formal charges: CH2NO2- The formal charge of N=1 and the formal charge of O=-2.
Calculate the pH of a solution conposed of 0.0831M ammonia (NH3) and 0.113M ammonium chloride (NH4Cl).
What were two significant differences between the spectra of curcumin and tetrahydrocurcumin
a solution is prepaired by mixing 90.0 ml of 5.00 m hcl adn 30.0 ml of 8.00 m hno3. water is then added until the final
What is the molar ratio of initiator to sulfuryl chloride in the procedure? Why is so little initiator needed relative to the amount of chlorinating agent used
What NaCl concentration results when 214 mL of an 0.680 M NaCl solution is mixed with 592 mL of a 0.230 M NaCl solution
An aqueous NaCl solutions is made using 112 g of NaCl diluted to a total solution volume of 1.0 L. Calculate the molarity, molality and mass percent of the solution
both the reduced and oxidized derivatives of cuiih262 show no tendency to distort. explain why there would be no
What is ozone and how it works as a protective molecule for our environment? What are the effects of CFCs on the ozone layer.
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