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Problem- A quantity of 0.2 mol Kg^-1 of trimethylammonium hypochlorite [(CH3)3NHCl] is added to a water at 298.15 K. Compute the H3)^+ concentration in the solution. Assume complete ionization of the (CH3)3NHClO salt. Kb for (CH3)3N is 6.25*10^-10 at 298.15 K, and Ka for hypochlorous acid (HClO) is 3.0*10^-8 at 298.15 K.
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Write a balanced chemical equation for the reaction of 4-Nitrobenzaldehyde and sodium borohydride (NaBH4). If 0.21 g of 4-nitrobenzaldehyde dissolved in 10 mL of methanol is mixed with 0.14 g of sodium borohydride, what is the theoretical yield?
A physiological saline solution contains 154mEq/L each of Na+ and Cl-. How many moles each of Na+ and Cl- are in 0.600L of the saline solution?
Suggest at least one characteristic absorption each in the IR-spectra of 9-fluorenone and 9-hydrofluorene that could be used to distinguish between these two compounds
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?
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What do you notice about the element Technetium (Tc) compared to the other elements around it? You see the same thing as some of the very heavy elements
why is the voltage reading different for deionized water vs. tap water. what substances are added to drinking water to make it safe.
Calculate ?Ssurr for each of the reactions above at 25°C and 1 atm b. Determine which elements are being oxidized and which elements are being reduced in each reaction.
a sample of ice 27.0-g at -13.0degc is combined with water of 114.0 grams at 80 degree celsius. compute the final
Calculate the pH at the 6 points of titration (fraction titrated = 0, 0.25, 0.50, 0.75, 1.0, 1.25). Hint: Since these concentrations are not the same, first calculate the volume of NaOH required to reach the equivalent point.
the reaction 2ararrbc has a kc of 0.2. the reaction is commenced with initial con- centrations a 0.2 m b 0.2 m and c
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