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Explain why the pKa value of p-aminophenol is higher than that of p-nitrophenol. Would you expect the pKa value of m-aminophenol to be higher or lower than the pKa of p-aminophenol? Would you expect the pKa value of m-nitrophenol to be higher or lower than the pKa of p-nitrophenol? EXPLAIN
A 27.0-g sample of water at 270. K is mixed with 49.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Find a) the average speed, b) the root-mean-square speed, and c) the most probable speed of these particles. Explain your results
Draw a molecular orbital diagram for the p electrons in the cyclopentadiene anion. Be sure your diagram: Is drawn to scale (with respect to the energy axis)
Write a complete mechanism for the addition of diethyl malonate to ethanal in the presence of base to form a beta-hydroxy ester.
What amount of HCl gas must be added to 1.00 L of a buffer solution that contains [acetic acid]=2.0M and [acetate]=1.0M in order to produce a solution with pH= 4.16
Compute the enthalpy change, for this reaction per mole of solution and A calorimeter has water of 22.0 grams at the temperature of fifteen degree celsisu
Glucose is approximately .10 % of human blood, by weight. Glucose has a formula weight of 180 g/mol. What is the conc of glucose in ppm
calculate the concentration of a solution prepared by adding enough water to 2.2 g of sucrose c12h22o11 to make a total
Draw the structure of the product that would be formed from allowing a-e to react with excess hydrogen gas in the presence of a nickel catalyst.
How many molecules of acetylene (HCCH) react with 131 molecules of oxygen to produce carbon dioxide and water
A total of 24.33 ml of 0.00245 M EDTA was used to titrate 100.00ml of a water sample. An AA analysis of the sample determined that the Ca2+ concentration is 9.32 mg/L.
What is the minimum number of microwave photons with a wavelength of 3.07 mm that will have to be absorbed by a 126.00 gram sample of water to heat it from 25°C to 100°C?
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