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A compound A (C22H27NO) is insoluble in acid and base but reacts with concentrated aqueous HCl and heat to give a clear aqueous solution from which, on cooling, benzoic acid precipitates. When the supernatant solution is made basic, a liquid B separates. Compound B is achiral. Treatment of B with benzoyl chloride in pyridine gives back A. Evolution of gas is not observed when B is treated with an aqueous solution of NaNO2 and HCl. Treatment of B with excess CH3I, then aqueous Ag2O and heat, gives a compound C, C9H19N, plus styrene, C6H5-CH=CH2. Compound C, when treated with excess CH3I, then aqueous Ag2O and heat, gives a single alkene D that is identical to the compound obtained when cyclohexanone is treated with the ylid -:CH2- PPh3. Give the structure of A.
Using this equation, how many moles of water are produced when .875 moles of methane burn?
Calculate the pH and pOH of a solution of HI made by dissolving 3 x 10 ^-5 moles of HI (a strong acid) in 570 mL of water.
Draw a rough sketch of the energy profile for each of the following cases. a. E = +10 kJ/mol, Ea = 25 kJ/mol b. E = -10 kJ/mol, Ea = 50 kJ/mol c.
Draw a graph that shows the relative energy of the conformer as a function of the torsional angle. Make sure that you clearly label which conformer corresponds to which position on the graph
Calculate the required quantity of each reagent and the volume of water that must be added for dilution. a. Chlorine water
A system obtains the amount of heat equal to q > 0 from the surroundings at constant volume. Will the internal energy of the system increase, decrease, or remain constant? Will the temperature of the system increase or decrease
A sample of helium gas, He, at 22 degrees C and 101.3 kPa occupies a volume of 2.54L. At a constant pressure, what volume will it occupy at a liquid nitrogen tempature of -197 degrees C?
moles of benzoyl peroxide and another person used the same amount of benzoyl peroxide as the first person but only used 150 moles of styrene, what would be the average molecular weight of each groups polymer sample be?
Do not include units in your response. Open the hint panel for an identical flow chart you can view while filling in the responses below. 1 If the plant wishes to produce 450.0 g/min of brown sugar today, what is the feed rate, m1. What is the flow ..
The fuel used in many disposable lighters is liquid butane C4H10 How many carbon atoms
suppose the flame on a gas burner emits light just like a blackbody. The flame appears blue, emitting most of its light at a wavelength of 475 nanometers.
How many independent linear combinations are possible for four 1s orbitals? (b) Draw pictures of the linear combinations of H1s orbitals for a hypothetical linear H4 molecule
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