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1.) Explain the difference in the C=O stretches in 2-naphthaldehyde and benzophenone.
2.) Based on what you know about vibrational frequencies, would you expect cyclohexanecarbaldehyde or benzaldehyde to have a higher C=O stretch?
3.) 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.
Calculate the activity for CS2 at mole fraction= .722 for a Henry's Law standard state using the following data: 446.9 Torr and kH(CS2)=1750 Torr
If 38.6 grams of hydrogen sulfide gas (H2S; MM = 34.08 g/mol) react with 36.3 grams of oxygen gas (O2, MM = 32.00 g/mol), what is the mass of sulfur dioxide (SO2, MM = 64.06 g/mol) gas produced
Describe the computational procedures that lead to the determination of the rate constants ka and kb from measurements of tau for different values of [A]tot
Using the alpha diagram for carbonate in a closed system, at what pH would the molar CO2 concentration be approximately equal to the molar bicarbonate concentration
when 3.299 of iodine reacts with fluorine, 5.768g of IFx is formed. What is the value of x in product formula (IFx)?"
calculate the mole fraction of toluene in the solution that contains 126g toluene and 94g benzene
Hydrogen iodide decomposes according to the equation: 2HI(g) H2(g) + I2(g) Kc = 0.0156 at 400°C. A 0.57 mol sample of HI was injected into a 2.0 L reaction vessel held at 400°C. Calculate the concentration of HI at equilibrium.
A solution of a weak acid was tested with the indicators used in this exeriment. The colors observed were as follows: Methyl violet , violet, Congo red, violet , thymol blue, yellow, Bromcresol green, yellow, Methyl yellow, orange. What is the app..
How many GRAMS of zinc iodide are present in 1.56 moles of this compound? and explain to me how to find it
A solution contains Ba2+ (1.0x10^-3) and Ca2+ (1.0x10^-3). Drops of a 5.0x10^-1 M solution NaF were added using a buret until the [F-] in the solution mixture reached 1.5x10^-3 M.
The metal barium crystallizes in a body-centered cubic lattice. If the density of barium is 3.51g/cm3, what is the unit cell volume?
Calculate the volume of this flask. empty weighed 56.12g , and full of ammonia weighed 87.39g . density of liquid ammonia is 0.625g/l . calculate flask volume in L
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