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1. Based on what you know about vibrational frequencies, would you expect cyclohexanecarbaldehyde or benzaldehyde to have a higher C=O stretch?
2. Would the presence of a nitro group in the 4- and 4'- positions in benzophenone increase the frequency of the carbonyl stretch or decrease it? Explain using resonance structures.
A sample is known a carbonate. How can I design an experiment that can allow me to determine the exact identity of the carbonate
25 mL of 0.10 M HCl is mixed with 25 mL of .43 M NH3. What is the resulting pH?
For a given reaction, the reaction forms predominantly products at equilibrium (i.e. it essentially goes to completion). Which of the following represents a reasonable value for K
Perform a degree of freedom analysis and show that all of the unknowns can be solved.
The atomic masses of Li-6 and Li-7 are 6.0151amu and 7.0160amu respectively. Calculate the natural abundances of these 2 isotopes. The average atomic mass of Li is 6.941amu.
a) How many milliliters of concentrated HCl (36% HCl by mass, d= 1.18g/ml) are required to produce 12.5L of a solution with pH= 2.10. What volume of 6.15M HCl is required to exactly neutralize 1.25L of 0.265M NH3? NH3 + H3O => NH4 + H2O
Choose the selection which correctly identifies the forces which must be overcome to convert BH3 from a liquid to a gas.
how to calculate the concentration of a standard solution and the concentration of KMnO4 the mass of sodium oxalate used was 0.8367g and then it was diluted down with 50ml water, and 20ml H2SO4 then 25 ml of that solution
What is the theoretical yield (in g of precipitate) when 15.5 mL of a 0.701 M solution of iron(III) chloride is combined with 16.7 mL of a 0.6 M solution of lead(II) nitrate
A student has prepared a 0.309 M solution of Barium hydroxide and a 0.443M solution of hydrochloric acid for you. Determine the volume of the hydrochloric acid solution will be needed to exactly neutralize 10.0 mL of the Barium chloride solution.
If you measure the refractive indices of two liquids and they are within 0.0001 units from eachother, how likely is it that the two liquids are identical
HClO is a weak acid (Ka = 4.0 x 10^-8) and so salt NaClO acts as a weak base. What is the pH of a solution that is 0.020 M in NaClO
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