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Provide the mechanism for the preparation of p-nitrobenzene diazonium cation from p-nitroaniline and nitrous acid, HNO2.
104. a 50.0 ml sample of 2.0 times 10-4 m cuno3 is added to 50.0 ml of 4.0 m nacn. the formation constant of the
Write a balanced reaction for the acid-base reaction of diethylbenzyl phosphonate with sodium hydroxide. Which hydrogens are the most acidic?
What is the pH of 10 drops of triethylamine in a dropperful of demineralized water? How does the reaction between triethylamine and water explain the measurement of the pH?
Calculate the pH at the equivalence point in titrating 0.100 M solution of sodium hydrogen chromate (NaHCrO_4 )with .080 M NaOH.
Write the structure of a different product that could have been formed if you used ethanol containing substantial amount of water instead of the absolute ethanol
What is the final pH if .2 mol HCL is added to .5L of a buffer solution formulated using .28 M NH3 and .22 M NH4CL?
Which of the following would break apart into free radicals (an atom with one unpaired electron) when a photon promotes one electron to an antibonding orbital. I. B2 II. C2 III. N2 IV. O2 V. F2
A student prepared the Ni^2+ standar solution and obtained the following buret readings for solution #2, Calculate the concentration of Ni^2+ in the resulting solution.
what is tert-butyl capxylate? how 'bout its molecular structure?
if your spectrophotometer can measure absorbance up to 1.5, what is the max concentration of nadh that your can measure
a sample of hydrogen gas was collected over water at 36degc and 855 mm hg. the volume of the container was 6.50 l.
a 5.08-g chunk of potassium is dropped into 1.06 kg water at 24.0degc. what is the final temperature of the water after
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