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If you mixed 12.47 mL of the acidic solution with 7.15 mL of the basic solution, what should be the pH of the resulting solution?
The pKa for acetic acid is 4.757. The activity coefficients for acetic acid and the acetate ion are 1.000 and 0.775, respectively, in a solution with an ionic strength of 0.10 M.
Running a TLC of Unknown Compound X using eluent hexane:ethyl acetate 4:1. The Rf of the unknown is too close to the baseline. What should I do?
A 25.0 g sample of pure iron at 85.0°C is dropped into 75 g of water at 40.0°C. What is the final temperature of water-iron mixture?
determine the empirical formula of a substance (Vanillin) that contains 63.15% carbon, 5.30% Hydrogen, and 31.55% oxygen.
calculations to determine the amount of ascorbic acid? Does the volume of ascorbic acid solution added before titration influence how much iodine solution will be needed?
An aerosol can has a gas pressure of 144 kPa at 293 K. Calculate the pressure when the can is heated to 425 K.
Calculate the standard emf of a cell that uses the Mg/Mg2+ and Cu/Cu2+ half cell reactions at 25 deg C. What is the equation for the cell reaction that occurs under standard-state conditions?
If a reaction vessel initially contains only co and NH3 at concentrations of 1.00 m and 2.00m , respectively, what will the concentration of HCONH2 be at equilibrium?
dissociate into two NO2 molecules if one mole of pure N2O4 is introduced to a 10 liter constant volume, constant temperature of 298K reactor. In addition determine the initial and final pressures within the reactor and the composition of the equil..
Calculate the wavelength, in naniometers, of the spectral line produced when an electron in a hydrogen atom undergoes
The rate constant for the second- order reaction.starting with a concentration of 0.86m, calculate the concentration of NOBr after 57s.
the average number of collisions suffered by a single molecule of nitrogen in a second. (b) the total collision frequency Zbb in 1 / (cm^3 s).
The voltage meter reads +0.63 volts. Write out the reaction equation, then calculate the standard reduction potential of Fresnium.
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