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Construct a pH titration curve for 50 mL of 0.10 M butyric acid, C3H7COOH (for which Ka = 1.54 × 10-5), against added 0.10 M KOH solution. Please show the calculations for the individual points, and draw the curve on proper graph paper. Indicate on your graph the mid-equivalence point and the equivalence point. Suggest a satisfactory indicator for the endpoint if you were to use titration in the laboratory.
An ion contains a tin atom and three chlorine atoms. The Cl-Sn-Cl bond angles are less than 109.5 degrees. What is the ion, charge on the ion and hybrid orbitals used by Sn
Determine the percent by mass of all elements in the compound sodium carbonate decahydrate better known as washing soda
Check that in the collision of two structureless molecules the order of magnitude of the pre-exponential factor is of the same order as that predicted by collision theory. Go on to estimate the P factor for a reaction in which , and A and B are no..
Dinitrogen pentoxide, N2O5, decomposes by first-order process with a rate constant of 3.7 x 10-5 s-1 at 298K. What is the half-life in hours for the decomposition of N2O5 at 298 K
Given two liters of .407 M KCl how many milliliters of this solution you should use to prepare 250.0 ml of .175M KCl
A Dewar flask filled with 1.00 L of liquid nitrogen is allowed to completely evaporate and warm up to room temperature (23 oC at 1 atm pressure). What change in volume does the nitrogen undergo and how much work is done by the process
A solution that contains 3.0 x 10^-5 mol of oxalic acid requires 24 drops of permanganate ion solution to reach the endpoint of the titration. What is the chemical amount of permanganate ion per drop?
The photochemical reaction of 2,4-dimethylpentane with molecular chlorine affords a mixture of monochlorinated alkyl halides. Draw teh structures of these products and predict the molar ratio when the reaction is run at 25C
a piece of galena has a volume of 3.9 cm3. if the density of galena is 7.5 gcm3 what is the mass in kg of that piece of
A Mercury barometer reads 743.5 mmHg. If the density of mercury is 13.523 g/cm^3 at 80.0 degrees C, what would be the height of a water column be if the density of water is 0.972g/cm^3 at 80.0 degrees C
Define how NMR spectroscopy could be utilized to characterize the trans geometry of the double bond of the alkene formed in the reaction
One mol of this compound at 325 K is cooled at constant P to 275 K by contact with a large reserve at 275 K. The temperature of the reserve does not change.
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