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Explain why it is unwise to use column chromatography on compounds having boiling points below about 150 °C (760 torr)
The overall equilibrium involves Ksp, Ka3 of phosphoric acid and Kw. Construct the constant and show the three equations that apply.
Upon isolation of the product it appears to be optically inactive. Explain what must have happened mechanistically. If your goal is to synthesize (S)-2-iodobutane, how might you modify the experiment to ensure that you do so in your next attempt
the three isomers 0-,m-, and p-xylenes are are very difficult to distinguish via proton NMR. However they are instantaneously distinguishable via carbon NMR how. What do you expect to see for each
Calculate the molarity of a sodium chloride brine solution that exhibits a density of 1.13 g/mL and a mass percent of 17.7% at room temp.
Calculate the pH during the titration of 20.00 mL of 0.1000 M C6H5COOH(aq) with 0.1000 M NaOH(aq) after 19.54 mL of the base have been added. Ka of benzoic acid = 6.5 x 10-5.
Determine the electron-group arrangement, molecular shape, and molecular bond angle that best describes each of the following.
Consider the process of combustion, of complete oxidation -- that is, reaction with oxygen resulting in the conversion of every carbon atom to CO2.
Considering the molecule HOOH. What happens to the overlap in the σ bond between the 2 O atoms as one hydroxyl group is rotated in a clockwise relative to the other hydroxyl group?
Describe the mechanism of the preparation of 2-methyl-3-hexanol by reducing an appropriate carbonyl compound.
How many grams of salicylic acid and of acetic anyhydride should she use? refer to the following reaction: 2 C7H6O3 + C4H603 -> 2 C9H8O4 + H20
how many grams of acetylene are produced by adding water to 5g of CaC2?
the normal boiling point of ethanol is 78 degrees celsius. if the vapor pressure of ethanol is 13.3 kpa at 34.9 degrees
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