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Nitrobenzene C6H5NO2 and benzene c6h6, are completely miscible in each other. Other properties of the two liquids are nitrobenzene- fp = 5.7 degrees Celsius Kf = 8.1 degrees Celsius/m....benzene- fp = 5.5 degrees Celsius Kf = 5.12 degrees Celsius/m. It is possible to prepare two different solutions with these two liquids having a freezing point of 0.0 degrees Celsius. Explain what are the compositions of these two solutions, expressed as mass percent nitrobenzene?
When optically active 2,3-dibromobutane reacts with KOH , you end up with a pair of enantiomers. Explain by showing the structures of both the reactants and products.
Determine the grams of fat, protein, and carbohydrate in one serving. Determine the number of "food calories" (Cal) per gram of fat, protein, and carbohydrate
although it is not an ionic solute a 1.00-molal solution of ammonia nh3 is actually a weak electrolyte and has an
Calculate the pH of a solution formed by mixing 100.0 mL of 0.20 M HClO with 200.0 mL of 0.30 M KClO. The Ka for HClO is 2.9 × 10-8.
write a net ionic equation for the reaction between aqueous solutions of perchloric acid and rubidium
Depict a Lewis structure for each of the subsequent molecules or ions. Explain the electron-pair geometry as well as the molecular geometry around the central atom XeF4 and NH2Cl.
If a laser operated on the n=5 to n=2 transition of a H atom, what wavelength in nm photon would be emitted? (E2= -82 kJ/mol, E1= -328 kJ/mol)
How much heat is required to warm 225 grams of ice from negative 46.8 degrees celsius 0 degrees celsius melt the ice, warm the water from 0 degrees celsius to 100 degrees celsius.
pure nitrogen can be prepared when an aqueous solution of ammonium nitrite decomposes to form water vapor and nitrogen gas. How many grams of ammonium nitrate must have reacted if 3.75dm3 of nitrogen gas was collected over water at 26C and 97.8 kP..
If the first order half life is 300. seconds at 35 degrees Celsius and the initial concentration of hydrogen peroxide in a commercial Winn-Dixie product is 0.050M, then after 30 minutes, calculate the concentration of the hydrogen peroxide expecte..
Predict the major organic product of the reaction between N-propylacetamide and sodium benzoate upon heating at 140 degrees Celsius. Select one: N-propylbenzamide propyl benzoate phenyl propanoate acetic benzoic anhydride sodium acetate no reactio..
ironiii chloride is reduced by tinii chloride.2 fecl3aq sncl2aq ---gt 2 fecl2aq sncl4aqthe concentration of fe3 ion
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