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write a detailed mechanism for the reaction of salicylic acid with acetic anhydride showing clearly the function of the catalyst, sulfuric acid.
If Qp = 1.2 1020 and PO2 = 0.318 and PN2 0.812, what is the partial pressure of NO?
What is the percent by mass of NaHCO3 in a solution containing 60 g of NaHCO3 dissolved in 600 mL of H2O?
Calculate the amounts of C 7 H 8 , C 7 H 16 , and H 2 in the output stream express your answer (in mol s -1 ).
This is a fact that Bromine(Br) is larger than chlorine(Cl) but indication of equilibrium constant suggests that a bromo substituent has a less preference for the equatorial position than chloro substituent? Explain it briefly?
What would be the expected J-coupling (in Hertz) for the two non-aromatic trans-alkenyl protons
The solubility product of Mg(OH)2 is 1.2E-11. What minimum OH- concentration must be attained (for example, by adding NaOH) to decrease the Mg2+ concentration in a solution of Mg(NO3)2 to less than 1.9E-10 M?
what is the mole fraction of ethanol, C2H5OH, in an aqueous solution in which the ethanol concentration
If 0.80g of gas occupies 295 mL at 25 degrees celsius and 680 mm Hg of pressure, what is the molar mass of the gas?
explain from the orientation of the reagents why only the trans-isomer is formed.
Explain why an object whose color is purple actually absorbs visible light in the green wavelength region.
Determine the pH at the point in which the acetate ion concetration equals the acetic acid concentration. (that is where the acetic acid is 50% ionized)
When 1 mole of n-propylbromide is mixed with 1 mole of ammonia in a convenient solvent, only 50% conversion is achieved (ie, only 0.5 mol of ethylamine is formed) unless also 1 mol of a base,
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