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State the mechanistic equations for each step in the preparation of p-bromoaniline from aniline. Explain why does bromination of acetanilide stop at the monobromo stage?
the enthalpy of vaporization of ethanol i 43.5 kjmole at its normal boiling point of 352 k. using avalue of the molar
calculate the molar concentration and the molarity of a sulfuric acid solution of density 1.198 g/mol,
a 155 g sample of an unknown substance was heated from 25.0degc to 40.0degc. in the process the substance absorbed 5696
Given the following activation energies, what is the rate constatnt for a catalyzed and uncatalyzed decomposition of hydrogen peroxide(H2O2). Ea(uncatalyzed) 76kJ/mol, Ea(catalyzed) 19JkJ/mol
Both on Earth and in the sun the abundance of N is lower that that of its neighbors C and O. Is this the expected observation. explain
A 45.0-rm mL sample of this glucose solution was diluted to 0.500 rm L. How many grams of glucose are in 100. rm mL of the final solution?
Write the cell notation for a voltaic cell with the following half-reactions.
A swimming pool measures 25 meters wide by 145 meters long by 1 meters deep. How many gallons of water are required to fill the pool?
Silver sulfide is the tarnish that forms over time on polished silver. If a saturated aqueous solution of it at a certain temperature has a [Ag+] = 4 x 10^-17, what is the solubility product of silver sulfide at this temperature
cake alum aluminum sulfate is commonly used to purify sewage. what mass of precipitate aluminum hydroxide forms when
How many ppm Pb2 ion are contained in this solution? How many ppm of nitrate ion are contained in the same solution?
Calculate the mass in grams of carbon dioxide that will be produced when 25.0 g of ethanol is burned.
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