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A typical absorption due to stretching of the C=O bond is 1750 cm-1. (5.25 x 10 ^13 s-1). What is the force constant for the stretching vibration?
why differential pulse polarography is the most sensitive technique among the different modern types of polarography
1. consider the sn2 reaction of butyl bromide with oh- ion.ch3ch2ch2ch2br oh- ? ch3ch2ch2ch2oh br-assuming no other
Which aqueous solution will have the highest total number of moles of ions in the solution. The answer is 100mL 3M calcium nitrate. Why is it not 100mL 4M glucose (C6H12O6), 100mL 1M aluminum fluoride, or 100 mL 2M calcium sulfide. How do you calc..
what is the theoretical yield of PbI2 in grams? g) if the student obtained .583 grams of PbI2 product after collecting it by filtration and drying it, what was the percent yield of PbI2 obtained?
A student carried out several different determinations of the density of the metal ruthenium. The students results were as follows
What is the value of the rate constant at the temperature of this experiment? Give an answer with concentration units of molarity and time units of seconds.
Carbocation intermediate Substrate is primary halidebase is unhindered Substrate is primary halidebase is hindered Substrate is secondary halidebase is weak Substrate is secondary halidebase is strong Substrate is tertiary halidebase
A local radio station can be tuned in by dialing your radio to a frequency of 101.5 MHz. Calculate the wavelength. (Hint: MHz means 1 x 106 Hz.)
THe first equivalence point was reached after the addition of 15.25 mL of base. THe second equivalence point was reached after the addition of 30.98 mL. Find two values for the molarity of H3Y in the original sample.
when taking a tlc plate and recording the Rf values what must you always write down in order for someone else to be able to reproduce your work
a certain organic compound was burned producing 1.481 g of co2 and 0.303 g of h2o. the mass of the original sample was
You have a box of volume 1.00 liter into which you inject 2.65 g of NH3 at 600 K. What will be the final concentrations of NH3, N2, and H2 after equilibrium is established
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