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For the fractional distillation, a mixture hexane (b.p.=69) and toluene (b.p.=110.6) is used. a. Sketch a temperature versus volume diagram. Would it be a negative slope because the more volume of a substance you gave the higher bp? b. Sketch a temperature versus time diagram. Not sure on this
Iron is extracted from its ore using carbon. This can be represented using the following equation. Calculate the percent atom economy for pure iron.
A 1.00 L sample of gas, initially at 273 degrees C and 2.00 atm was cooled to 0 degrees C and the pressure changed to 0.20 atm. What is the final volume of the gas in liters?
When 28.6 kg of Fe2O3 react with 17.2 kg of CO and 6.3 kg of Fe are recovered, what is the percent yield for the reaction?
Propose a structure for a C6H15O2N compound that is unstable in aqueous acid and has the following NMR spectra:1H NMR:
Most community water supplies contain 0.5 ppm chlorine added for purification. What mass of chlorine must be added to 1500. L of water to reach this level. (Hint: the density of water is 1.00 g/mL)
can be isolated from the bark of wild cherry trees. Show the reactants that you would use to synthese scopoletinc
Jerry forgot to record the actual molar concentration of the standard HCL solution ( which was actually 0.044M), However to complete the calculations quickly the 0.05 M concentration was used. Will the reported molar solubility of the Ca(OH)2 be t..
Calculate the concentration of Calcium (MW 40.078 g/mol) in the H2O in units of gram per 100 mL and calculate the concentration of Calcium (MW 40.078 g/mol) in the H2O in units of gram per 100 mL.
the freezing point of ethanol c2h5oh is -114.6 degrees c and the molal freezing point depression constant for ethanol
Calculate the pH of this solution. B) A 150 mL of 0.15 M NH3 is slowly added to 25 mL of 02 M HCl. What is the pH of the resulting solution
calcium oxide or lime is produced by the thermal decomposition of limestone in the reaction cacomc062-1.jpgs
Nitrogen oxides, NOx, play an essential role in the production of pollutants found in photochemical smog. The NOx in the atmosphere is slowly broken down to N2 and O2 in a first order reaction.
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